curl --request POST \
  --url https://api.galileo.ai/v2/projects/{project_id}/experiments \
  --header 'Content-Type: application/json' \
  --header 'Galileo-API-Key: <api-key>' \
  --data '
{
  "name": "<string>",
  "task_type": 16,
  "playground_id": "<string>",
  "prompt_template_version_id": "<string>",
  "dataset": {
    "dataset_id": "<string>",
    "version_index": 123
  },
  "playground_prompt_id": "<string>",
  "prompt_settings": {
    "logprobs": true,
    "top_logprobs": 5,
    "echo": false,
    "n": 1,
    "reasoning_effort": "medium",
    "verbosity": "medium",
    "deployment_name": "<string>",
    "model_alias": "gpt-5.1",
    "temperature": 123,
    "max_tokens": 4096,
    "stop_sequences": [
      "<string>"
    ],
    "top_p": 1,
    "top_k": 40,
    "frequency_penalty": 0,
    "presence_penalty": 0,
    "tools": [
      {}
    ],
    "tool_choice": "<string>",
    "response_format": {},
    "known_models": [
      {
        "name": "<string>",
        "alias": "<string>",
        "integration": "openai",
        "user_role": "<string>",
        "assistant_role": "<string>",
        "system_supported": false,
        "input_modalities": [],
        "alternative_names": [
          "<string>"
        ],
        "input_token_limit": 123,
        "output_token_limit": 123,
        "token_limit": 123,
        "cost_by": "tokens",
        "is_chat": false,
        "provides_log_probs": false,
        "formatting_tokens": 0,
        "response_prefix_tokens": 0,
        "api_version": "<string>",
        "legacy_mistral_prompt_format": false,
        "requires_max_tokens": false,
        "max_top_p": 123,
        "params_map": {
          "model": "<string>",
          "temperature": "<string>",
          "max_tokens": "<string>",
          "stop_sequences": "<string>",
          "top_p": "<string>",
          "top_k": "<string>",
          "frequency_penalty": "<string>",
          "presence_penalty": "<string>",
          "echo": "<string>",
          "logprobs": "<string>",
          "top_logprobs": "<string>",
          "n": "<string>",
          "api_version": "<string>",
          "tools": "<string>",
          "tool_choice": "<string>",
          "response_format": "<string>",
          "reasoning_effort": "<string>",
          "verbosity": "<string>",
          "deployment_name": "<string>"
        },
        "output_map": {
          "response": "<string>",
          "token_count": "<string>",
          "input_token_count": "<string>",
          "output_token_count": "<string>",
          "completion_reason": "<string>"
        },
        "input_map": {
          "prompt": "<string>",
          "prefix": "",
          "suffix": ""
        }
      }
    ]
  },
  "scorers": [
    {
      "id": "<string>",
      "model_name": "<string>",
      "num_judges": 123,
      "filters": [
        {
          "value": "<string>",
          "name": "node_name",
          "case_sensitive": true
        }
      ],
      "scoreable_node_types": [
        "<string>"
      ],
      "cot_enabled": true,
      "name": "<string>",
      "scorer_version": {
        "id": "<string>",
        "version": 123,
        "scorer_id": "<string>",
        "generated_scorer": {
          "id": "<string>",
          "name": "<string>",
          "chain_poll_template": {
            "template": "<string>",
            "metric_system_prompt": "<string>",
            "metric_description": "<string>",
            "value_field_name": "rating",
            "explanation_field_name": "explanation",
            "metric_few_shot_examples": [
              {
                "generation_prompt_and_response": "<string>",
                "evaluating_response": "<string>"
              }
            ],
            "response_schema": {}
          },
          "instructions": "<string>",
          "user_prompt": "<string>"
        },
        "registered_scorer": {
          "id": "<string>",
          "name": "<string>",
          "score_type": "<string>"
        },
        "finetuned_scorer": {
          "id": "<string>",
          "name": "<string>",
          "lora_task_id": 123,
          "prompt": "<string>",
          "lora_weights_path": "<string>",
          "class_name_to_vocab_ix": {}
        },
        "model_name": "<string>",
        "num_judges": 123,
        "scoreable_node_types": [
          "<string>"
        ],
        "cot_enabled": true
      },
      "multimodal_capabilities": [],
      "score_type": "<string>"
    }
  ],
  "trigger": false,
  "experiment_group_id": "<string>",
  "experiment_group_name": "<string>"
}
'

import requests

url = "https://api.galileo.ai/v2/projects/{project_id}/experiments"

payload = {
    "name": "<string>",
    "task_type": 16,
    "playground_id": "<string>",
    "prompt_template_version_id": "<string>",
    "dataset": {
        "dataset_id": "<string>",
        "version_index": 123
    },
    "playground_prompt_id": "<string>",
    "prompt_settings": {
        "logprobs": True,
        "top_logprobs": 5,
        "echo": False,
        "n": 1,
        "reasoning_effort": "medium",
        "verbosity": "medium",
        "deployment_name": "<string>",
        "model_alias": "gpt-5.1",
        "temperature": 123,
        "max_tokens": 4096,
        "stop_sequences": ["<string>"],
        "top_p": 1,
        "top_k": 40,
        "frequency_penalty": 0,
        "presence_penalty": 0,
        "tools": [{}],
        "tool_choice": "<string>",
        "response_format": {},
        "known_models": [
            {
                "name": "<string>",
                "alias": "<string>",
                "integration": "openai",
                "user_role": "<string>",
                "assistant_role": "<string>",
                "system_supported": False,
                "input_modalities": [],
                "alternative_names": ["<string>"],
                "input_token_limit": 123,
                "output_token_limit": 123,
                "token_limit": 123,
                "cost_by": "tokens",
                "is_chat": False,
                "provides_log_probs": False,
                "formatting_tokens": 0,
                "response_prefix_tokens": 0,
                "api_version": "<string>",
                "legacy_mistral_prompt_format": False,
                "requires_max_tokens": False,
                "max_top_p": 123,
                "params_map": {
                    "model": "<string>",
                    "temperature": "<string>",
                    "max_tokens": "<string>",
                    "stop_sequences": "<string>",
                    "top_p": "<string>",
                    "top_k": "<string>",
                    "frequency_penalty": "<string>",
                    "presence_penalty": "<string>",
                    "echo": "<string>",
                    "logprobs": "<string>",
                    "top_logprobs": "<string>",
                    "n": "<string>",
                    "api_version": "<string>",
                    "tools": "<string>",
                    "tool_choice": "<string>",
                    "response_format": "<string>",
                    "reasoning_effort": "<string>",
                    "verbosity": "<string>",
                    "deployment_name": "<string>"
                },
                "output_map": {
                    "response": "<string>",
                    "token_count": "<string>",
                    "input_token_count": "<string>",
                    "output_token_count": "<string>",
                    "completion_reason": "<string>"
                },
                "input_map": {
                    "prompt": "<string>",
                    "prefix": "",
                    "suffix": ""
                }
            }
        ]
    },
    "scorers": [
        {
            "id": "<string>",
            "model_name": "<string>",
            "num_judges": 123,
            "filters": [
                {
                    "value": "<string>",
                    "name": "node_name",
                    "case_sensitive": True
                }
            ],
            "scoreable_node_types": ["<string>"],
            "cot_enabled": True,
            "name": "<string>",
            "scorer_version": {
                "id": "<string>",
                "version": 123,
                "scorer_id": "<string>",
                "generated_scorer": {
                    "id": "<string>",
                    "name": "<string>",
                    "chain_poll_template": {
                        "template": "<string>",
                        "metric_system_prompt": "<string>",
                        "metric_description": "<string>",
                        "value_field_name": "rating",
                        "explanation_field_name": "explanation",
                        "metric_few_shot_examples": [
                            {
                                "generation_prompt_and_response": "<string>",
                                "evaluating_response": "<string>"
                            }
                        ],
                        "response_schema": {}
                    },
                    "instructions": "<string>",
                    "user_prompt": "<string>"
                },
                "registered_scorer": {
                    "id": "<string>",
                    "name": "<string>",
                    "score_type": "<string>"
                },
                "finetuned_scorer": {
                    "id": "<string>",
                    "name": "<string>",
                    "lora_task_id": 123,
                    "prompt": "<string>",
                    "lora_weights_path": "<string>",
                    "class_name_to_vocab_ix": {}
                },
                "model_name": "<string>",
                "num_judges": 123,
                "scoreable_node_types": ["<string>"],
                "cot_enabled": True
            },
            "multimodal_capabilities": [],
            "score_type": "<string>"
        }
    ],
    "trigger": False,
    "experiment_group_id": "<string>",
    "experiment_group_name": "<string>"
}
headers = {
    "Galileo-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {'Galileo-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    task_type: 16,
    playground_id: '<string>',
    prompt_template_version_id: '<string>',
    dataset: {dataset_id: '<string>', version_index: 123},
    playground_prompt_id: '<string>',
    prompt_settings: {
      logprobs: true,
      top_logprobs: 5,
      echo: false,
      n: 1,
      reasoning_effort: 'medium',
      verbosity: 'medium',
      deployment_name: '<string>',
      model_alias: 'gpt-5.1',
      temperature: 123,
      max_tokens: 4096,
      stop_sequences: ['<string>'],
      top_p: 1,
      top_k: 40,
      frequency_penalty: 0,
      presence_penalty: 0,
      tools: [{}],
      tool_choice: '<string>',
      response_format: {},
      known_models: [
        {
          name: '<string>',
          alias: '<string>',
          integration: 'openai',
          user_role: '<string>',
          assistant_role: '<string>',
          system_supported: false,
          input_modalities: [],
          alternative_names: ['<string>'],
          input_token_limit: 123,
          output_token_limit: 123,
          token_limit: 123,
          cost_by: 'tokens',
          is_chat: false,
          provides_log_probs: false,
          formatting_tokens: 0,
          response_prefix_tokens: 0,
          api_version: '<string>',
          legacy_mistral_prompt_format: false,
          requires_max_tokens: false,
          max_top_p: 123,
          params_map: {
            model: '<string>',
            temperature: '<string>',
            max_tokens: '<string>',
            stop_sequences: '<string>',
            top_p: '<string>',
            top_k: '<string>',
            frequency_penalty: '<string>',
            presence_penalty: '<string>',
            echo: '<string>',
            logprobs: '<string>',
            top_logprobs: '<string>',
            n: '<string>',
            api_version: '<string>',
            tools: '<string>',
            tool_choice: '<string>',
            response_format: '<string>',
            reasoning_effort: '<string>',
            verbosity: '<string>',
            deployment_name: '<string>'
          },
          output_map: {
            response: '<string>',
            token_count: '<string>',
            input_token_count: '<string>',
            output_token_count: '<string>',
            completion_reason: '<string>'
          },
          input_map: {prompt: '<string>', prefix: '', suffix: ''}
        }
      ]
    },
    scorers: [
      {
        id: '<string>',
        model_name: '<string>',
        num_judges: 123,
        filters: [{value: '<string>', name: 'node_name', case_sensitive: true}],
        scoreable_node_types: ['<string>'],
        cot_enabled: true,
        name: '<string>',
        scorer_version: {
          id: '<string>',
          version: 123,
          scorer_id: '<string>',
          generated_scorer: {
            id: '<string>',
            name: '<string>',
            chain_poll_template: {
              template: '<string>',
              metric_system_prompt: '<string>',
              metric_description: '<string>',
              value_field_name: 'rating',
              explanation_field_name: 'explanation',
              metric_few_shot_examples: [{generation_prompt_and_response: '<string>', evaluating_response: '<string>'}],
              response_schema: {}
            },
            instructions: '<string>',
            user_prompt: '<string>'
          },
          registered_scorer: {id: '<string>', name: '<string>', score_type: '<string>'},
          finetuned_scorer: {
            id: '<string>',
            name: '<string>',
            lora_task_id: 123,
            prompt: '<string>',
            lora_weights_path: '<string>',
            class_name_to_vocab_ix: {}
          },
          model_name: '<string>',
          num_judges: 123,
          scoreable_node_types: ['<string>'],
          cot_enabled: true
        },
        multimodal_capabilities: [],
        score_type: '<string>'
      }
    ],
    trigger: false,
    experiment_group_id: '<string>',
    experiment_group_name: '<string>'
  })
};

fetch('https://api.galileo.ai/v2/projects/{project_id}/experiments', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.galileo.ai/v2/projects/{project_id}/experiments",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'name' => '<string>',
    'task_type' => 16,
    'playground_id' => '<string>',
    'prompt_template_version_id' => '<string>',
    'dataset' => [
        'dataset_id' => '<string>',
        'version_index' => 123
    ],
    'playground_prompt_id' => '<string>',
    'prompt_settings' => [
        'logprobs' => true,
        'top_logprobs' => 5,
        'echo' => false,
        'n' => 1,
        'reasoning_effort' => 'medium',
        'verbosity' => 'medium',
        'deployment_name' => '<string>',
        'model_alias' => 'gpt-5.1',
        'temperature' => 123,
        'max_tokens' => 4096,
        'stop_sequences' => [
                '<string>'
        ],
        'top_p' => 1,
        'top_k' => 40,
        'frequency_penalty' => 0,
        'presence_penalty' => 0,
        'tools' => [
                [
                                
                ]
        ],
        'tool_choice' => '<string>',
        'response_format' => [
                
        ],
        'known_models' => [
                [
                                'name' => '<string>',
                                'alias' => '<string>',
                                'integration' => 'openai',
                                'user_role' => '<string>',
                                'assistant_role' => '<string>',
                                'system_supported' => false,
                                'input_modalities' => [
                                                                
                                ],
                                'alternative_names' => [
                                                                '<string>'
                                ],
                                'input_token_limit' => 123,
                                'output_token_limit' => 123,
                                'token_limit' => 123,
                                'cost_by' => 'tokens',
                                'is_chat' => false,
                                'provides_log_probs' => false,
                                'formatting_tokens' => 0,
                                'response_prefix_tokens' => 0,
                                'api_version' => '<string>',
                                'legacy_mistral_prompt_format' => false,
                                'requires_max_tokens' => false,
                                'max_top_p' => 123,
                                'params_map' => [
                                                                'model' => '<string>',
                                                                'temperature' => '<string>',
                                                                'max_tokens' => '<string>',
                                                                'stop_sequences' => '<string>',
                                                                'top_p' => '<string>',
                                                                'top_k' => '<string>',
                                                                'frequency_penalty' => '<string>',
                                                                'presence_penalty' => '<string>',
                                                                'echo' => '<string>',
                                                                'logprobs' => '<string>',
                                                                'top_logprobs' => '<string>',
                                                                'n' => '<string>',
                                                                'api_version' => '<string>',
                                                                'tools' => '<string>',
                                                                'tool_choice' => '<string>',
                                                                'response_format' => '<string>',
                                                                'reasoning_effort' => '<string>',
                                                                'verbosity' => '<string>',
                                                                'deployment_name' => '<string>'
                                ],
                                'output_map' => [
                                                                'response' => '<string>',
                                                                'token_count' => '<string>',
                                                                'input_token_count' => '<string>',
                                                                'output_token_count' => '<string>',
                                                                'completion_reason' => '<string>'
                                ],
                                'input_map' => [
                                                                'prompt' => '<string>',
                                                                'prefix' => '',
                                                                'suffix' => ''
                                ]
                ]
        ]
    ],
    'scorers' => [
        [
                'id' => '<string>',
                'model_name' => '<string>',
                'num_judges' => 123,
                'filters' => [
                                [
                                                                'value' => '<string>',
                                                                'name' => 'node_name',
                                                                'case_sensitive' => true
                                ]
                ],
                'scoreable_node_types' => [
                                '<string>'
                ],
                'cot_enabled' => true,
                'name' => '<string>',
                'scorer_version' => [
                                'id' => '<string>',
                                'version' => 123,
                                'scorer_id' => '<string>',
                                'generated_scorer' => [
                                                                'id' => '<string>',
                                                                'name' => '<string>',
                                                                'chain_poll_template' => [
                                                                                                                                'template' => '<string>',
                                                                                                                                'metric_system_prompt' => '<string>',
                                                                                                                                'metric_description' => '<string>',
                                                                                                                                'value_field_name' => 'rating',
                                                                                                                                'explanation_field_name' => 'explanation',
                                                                                                                                'metric_few_shot_examples' => [
                                                                                                                                                                                                                                                                [
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                'generation_prompt_and_response' => '<string>',
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                'evaluating_response' => '<string>'
                                                                                                                                                                                                                                                                ]
                                                                                                                                ],
                                                                                                                                'response_schema' => [
                                                                                                                                                                                                                                                                
                                                                                                                                ]
                                                                ],
                                                                'instructions' => '<string>',
                                                                'user_prompt' => '<string>'
                                ],
                                'registered_scorer' => [
                                                                'id' => '<string>',
                                                                'name' => '<string>',
                                                                'score_type' => '<string>'
                                ],
                                'finetuned_scorer' => [
                                                                'id' => '<string>',
                                                                'name' => '<string>',
                                                                'lora_task_id' => 123,
                                                                'prompt' => '<string>',
                                                                'lora_weights_path' => '<string>',
                                                                'class_name_to_vocab_ix' => [
                                                                                                                                
                                                                ]
                                ],
                                'model_name' => '<string>',
                                'num_judges' => 123,
                                'scoreable_node_types' => [
                                                                '<string>'
                                ],
                                'cot_enabled' => true
                ],
                'multimodal_capabilities' => [
                                
                ],
                'score_type' => '<string>'
        ]
    ],
    'trigger' => false,
    'experiment_group_id' => '<string>',
    'experiment_group_name' => '<string>'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "Galileo-API-Key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.galileo.ai/v2/projects/{project_id}/experiments"

	payload := strings.NewReader("{\n  \"name\": \"<string>\",\n  \"task_type\": 16,\n  \"playground_id\": \"<string>\",\n  \"prompt_template_version_id\": \"<string>\",\n  \"dataset\": {\n    \"dataset_id\": \"<string>\",\n    \"version_index\": 123\n  },\n  \"playground_prompt_id\": \"<string>\",\n  \"prompt_settings\": {\n    \"logprobs\": true,\n    \"top_logprobs\": 5,\n    \"echo\": false,\n    \"n\": 1,\n    \"reasoning_effort\": \"medium\",\n    \"verbosity\": \"medium\",\n    \"deployment_name\": \"<string>\",\n    \"model_alias\": \"gpt-5.1\",\n    \"temperature\": 123,\n    \"max_tokens\": 4096,\n    \"stop_sequences\": [\n      \"<string>\"\n    ],\n    \"top_p\": 1,\n    \"top_k\": 40,\n    \"frequency_penalty\": 0,\n    \"presence_penalty\": 0,\n    \"tools\": [\n      {}\n    ],\n    \"tool_choice\": \"<string>\",\n    \"response_format\": {},\n    \"known_models\": [\n      {\n        \"name\": \"<string>\",\n        \"alias\": \"<string>\",\n        \"integration\": \"openai\",\n        \"user_role\": \"<string>\",\n        \"assistant_role\": \"<string>\",\n        \"system_supported\": false,\n        \"input_modalities\": [],\n        \"alternative_names\": [\n          \"<string>\"\n        ],\n        \"input_token_limit\": 123,\n        \"output_token_limit\": 123,\n        \"token_limit\": 123,\n        \"cost_by\": \"tokens\",\n        \"is_chat\": false,\n        \"provides_log_probs\": false,\n        \"formatting_tokens\": 0,\n        \"response_prefix_tokens\": 0,\n        \"api_version\": \"<string>\",\n        \"legacy_mistral_prompt_format\": false,\n        \"requires_max_tokens\": false,\n        \"max_top_p\": 123,\n        \"params_map\": {\n          \"model\": \"<string>\",\n          \"temperature\": \"<string>\",\n          \"max_tokens\": \"<string>\",\n          \"stop_sequences\": \"<string>\",\n          \"top_p\": \"<string>\",\n          \"top_k\": \"<string>\",\n          \"frequency_penalty\": \"<string>\",\n          \"presence_penalty\": \"<string>\",\n          \"echo\": \"<string>\",\n          \"logprobs\": \"<string>\",\n          \"top_logprobs\": \"<string>\",\n          \"n\": \"<string>\",\n          \"api_version\": \"<string>\",\n          \"tools\": \"<string>\",\n          \"tool_choice\": \"<string>\",\n          \"response_format\": \"<string>\",\n          \"reasoning_effort\": \"<string>\",\n          \"verbosity\": \"<string>\",\n          \"deployment_name\": \"<string>\"\n        },\n        \"output_map\": {\n          \"response\": \"<string>\",\n          \"token_count\": \"<string>\",\n          \"input_token_count\": \"<string>\",\n          \"output_token_count\": \"<string>\",\n          \"completion_reason\": \"<string>\"\n        },\n        \"input_map\": {\n          \"prompt\": \"<string>\",\n          \"prefix\": \"\",\n          \"suffix\": \"\"\n        }\n      }\n    ]\n  },\n  \"scorers\": [\n    {\n      \"id\": \"<string>\",\n      \"model_name\": \"<string>\",\n      \"num_judges\": 123,\n      \"filters\": [\n        {\n          \"value\": \"<string>\",\n          \"name\": \"node_name\",\n          \"case_sensitive\": true\n        }\n      ],\n      \"scoreable_node_types\": [\n        \"<string>\"\n      ],\n      \"cot_enabled\": true,\n      \"name\": \"<string>\",\n      \"scorer_version\": {\n        \"id\": \"<string>\",\n        \"version\": 123,\n        \"scorer_id\": \"<string>\",\n        \"generated_scorer\": {\n          \"id\": \"<string>\",\n          \"name\": \"<string>\",\n          \"chain_poll_template\": {\n            \"template\": \"<string>\",\n            \"metric_system_prompt\": \"<string>\",\n            \"metric_description\": \"<string>\",\n            \"value_field_name\": \"rating\",\n            \"explanation_field_name\": \"explanation\",\n            \"metric_few_shot_examples\": [\n              {\n                \"generation_prompt_and_response\": \"<string>\",\n                \"evaluating_response\": \"<string>\"\n              }\n            ],\n            \"response_schema\": {}\n          },\n          \"instructions\": \"<string>\",\n          \"user_prompt\": \"<string>\"\n        },\n        \"registered_scorer\": {\n          \"id\": \"<string>\",\n          \"name\": \"<string>\",\n          \"score_type\": \"<string>\"\n        },\n        \"finetuned_scorer\": {\n          \"id\": \"<string>\",\n          \"name\": \"<string>\",\n          \"lora_task_id\": 123,\n          \"prompt\": \"<string>\",\n          \"lora_weights_path\": \"<string>\",\n          \"class_name_to_vocab_ix\": {}\n        },\n        \"model_name\": \"<string>\",\n        \"num_judges\": 123,\n        \"scoreable_node_types\": [\n          \"<string>\"\n        ],\n        \"cot_enabled\": true\n      },\n      \"multimodal_capabilities\": [],\n      \"score_type\": \"<string>\"\n    }\n  ],\n  \"trigger\": false,\n  \"experiment_group_id\": \"<string>\",\n  \"experiment_group_name\": \"<string>\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Galileo-API-Key", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.galileo.ai/v2/projects/{project_id}/experiments")
  .header("Galileo-API-Key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"<string>\",\n  \"task_type\": 16,\n  \"playground_id\": \"<string>\",\n  \"prompt_template_version_id\": \"<string>\",\n  \"dataset\": {\n    \"dataset_id\": \"<string>\",\n    \"version_index\": 123\n  },\n  \"playground_prompt_id\": \"<string>\",\n  \"prompt_settings\": {\n    \"logprobs\": true,\n    \"top_logprobs\": 5,\n    \"echo\": false,\n    \"n\": 1,\n    \"reasoning_effort\": \"medium\",\n    \"verbosity\": \"medium\",\n    \"deployment_name\": \"<string>\",\n    \"model_alias\": \"gpt-5.1\",\n    \"temperature\": 123,\n    \"max_tokens\": 4096,\n    \"stop_sequences\": [\n      \"<string>\"\n    ],\n    \"top_p\": 1,\n    \"top_k\": 40,\n    \"frequency_penalty\": 0,\n    \"presence_penalty\": 0,\n    \"tools\": [\n      {}\n    ],\n    \"tool_choice\": \"<string>\",\n    \"response_format\": {},\n    \"known_models\": [\n      {\n        \"name\": \"<string>\",\n        \"alias\": \"<string>\",\n        \"integration\": \"openai\",\n        \"user_role\": \"<string>\",\n        \"assistant_role\": \"<string>\",\n        \"system_supported\": false,\n        \"input_modalities\": [],\n        \"alternative_names\": [\n          \"<string>\"\n        ],\n        \"input_token_limit\": 123,\n        \"output_token_limit\": 123,\n        \"token_limit\": 123,\n        \"cost_by\": \"tokens\",\n        \"is_chat\": false,\n        \"provides_log_probs\": false,\n        \"formatting_tokens\": 0,\n        \"response_prefix_tokens\": 0,\n        \"api_version\": \"<string>\",\n        \"legacy_mistral_prompt_format\": false,\n        \"requires_max_tokens\": false,\n        \"max_top_p\": 123,\n        \"params_map\": {\n          \"model\": \"<string>\",\n          \"temperature\": \"<string>\",\n          \"max_tokens\": \"<string>\",\n          \"stop_sequences\": \"<string>\",\n          \"top_p\": \"<string>\",\n          \"top_k\": \"<string>\",\n          \"frequency_penalty\": \"<string>\",\n          \"presence_penalty\": \"<string>\",\n          \"echo\": \"<string>\",\n          \"logprobs\": \"<string>\",\n          \"top_logprobs\": \"<string>\",\n          \"n\": \"<string>\",\n          \"api_version\": \"<string>\",\n          \"tools\": \"<string>\",\n          \"tool_choice\": \"<string>\",\n          \"response_format\": \"<string>\",\n          \"reasoning_effort\": \"<string>\",\n          \"verbosity\": \"<string>\",\n          \"deployment_name\": \"<string>\"\n        },\n        \"output_map\": {\n          \"response\": \"<string>\",\n          \"token_count\": \"<string>\",\n          \"input_token_count\": \"<string>\",\n          \"output_token_count\": \"<string>\",\n          \"completion_reason\": \"<string>\"\n        },\n        \"input_map\": {\n          \"prompt\": \"<string>\",\n          \"prefix\": \"\",\n          \"suffix\": \"\"\n        }\n      }\n    ]\n  },\n  \"scorers\": [\n    {\n      \"id\": \"<string>\",\n      \"model_name\": \"<string>\",\n      \"num_judges\": 123,\n      \"filters\": [\n        {\n          \"value\": \"<string>\",\n          \"name\": \"node_name\",\n          \"case_sensitive\": true\n        }\n      ],\n      \"scoreable_node_types\": [\n        \"<string>\"\n      ],\n      \"cot_enabled\": true,\n      \"name\": \"<string>\",\n      \"scorer_version\": {\n        \"id\": \"<string>\",\n        \"version\": 123,\n        \"scorer_id\": \"<string>\",\n        \"generated_scorer\": {\n          \"id\": \"<string>\",\n          \"name\": \"<string>\",\n          \"chain_poll_template\": {\n            \"template\": \"<string>\",\n            \"metric_system_prompt\": \"<string>\",\n            \"metric_description\": \"<string>\",\n            \"value_field_name\": \"rating\",\n            \"explanation_field_name\": \"explanation\",\n            \"metric_few_shot_examples\": [\n              {\n                \"generation_prompt_and_response\": \"<string>\",\n                \"evaluating_response\": \"<string>\"\n              }\n            ],\n            \"response_schema\": {}\n          },\n          \"instructions\": \"<string>\",\n          \"user_prompt\": \"<string>\"\n        },\n        \"registered_scorer\": {\n          \"id\": \"<string>\",\n          \"name\": \"<string>\",\n          \"score_type\": \"<string>\"\n        },\n        \"finetuned_scorer\": {\n          \"id\": \"<string>\",\n          \"name\": \"<string>\",\n          \"lora_task_id\": 123,\n          \"prompt\": \"<string>\",\n          \"lora_weights_path\": \"<string>\",\n          \"class_name_to_vocab_ix\": {}\n        },\n        \"model_name\": \"<string>\",\n        \"num_judges\": 123,\n        \"scoreable_node_types\": [\n          \"<string>\"\n        ],\n        \"cot_enabled\": true\n      },\n      \"multimodal_capabilities\": [],\n      \"score_type\": \"<string>\"\n    }\n  ],\n  \"trigger\": false,\n  \"experiment_group_id\": \"<string>\",\n  \"experiment_group_name\": \"<string>\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.galileo.ai/v2/projects/{project_id}/experiments")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Galileo-API-Key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"<string>\",\n  \"task_type\": 16,\n  \"playground_id\": \"<string>\",\n  \"prompt_template_version_id\": \"<string>\",\n  \"dataset\": {\n    \"dataset_id\": \"<string>\",\n    \"version_index\": 123\n  },\n  \"playground_prompt_id\": \"<string>\",\n  \"prompt_settings\": {\n    \"logprobs\": true,\n    \"top_logprobs\": 5,\n    \"echo\": false,\n    \"n\": 1,\n    \"reasoning_effort\": \"medium\",\n    \"verbosity\": \"medium\",\n    \"deployment_name\": \"<string>\",\n    \"model_alias\": \"gpt-5.1\",\n    \"temperature\": 123,\n    \"max_tokens\": 4096,\n    \"stop_sequences\": [\n      \"<string>\"\n    ],\n    \"top_p\": 1,\n    \"top_k\": 40,\n    \"frequency_penalty\": 0,\n    \"presence_penalty\": 0,\n    \"tools\": [\n      {}\n    ],\n    \"tool_choice\": \"<string>\",\n    \"response_format\": {},\n    \"known_models\": [\n      {\n        \"name\": \"<string>\",\n        \"alias\": \"<string>\",\n        \"integration\": \"openai\",\n        \"user_role\": \"<string>\",\n        \"assistant_role\": \"<string>\",\n        \"system_supported\": false,\n        \"input_modalities\": [],\n        \"alternative_names\": [\n          \"<string>\"\n        ],\n        \"input_token_limit\": 123,\n        \"output_token_limit\": 123,\n        \"token_limit\": 123,\n        \"cost_by\": \"tokens\",\n        \"is_chat\": false,\n        \"provides_log_probs\": false,\n        \"formatting_tokens\": 0,\n        \"response_prefix_tokens\": 0,\n        \"api_version\": \"<string>\",\n        \"legacy_mistral_prompt_format\": false,\n        \"requires_max_tokens\": false,\n        \"max_top_p\": 123,\n        \"params_map\": {\n          \"model\": \"<string>\",\n          \"temperature\": \"<string>\",\n          \"max_tokens\": \"<string>\",\n          \"stop_sequences\": \"<string>\",\n          \"top_p\": \"<string>\",\n          \"top_k\": \"<string>\",\n          \"frequency_penalty\": \"<string>\",\n          \"presence_penalty\": \"<string>\",\n          \"echo\": \"<string>\",\n          \"logprobs\": \"<string>\",\n          \"top_logprobs\": \"<string>\",\n          \"n\": \"<string>\",\n          \"api_version\": \"<string>\",\n          \"tools\": \"<string>\",\n          \"tool_choice\": \"<string>\",\n          \"response_format\": \"<string>\",\n          \"reasoning_effort\": \"<string>\",\n          \"verbosity\": \"<string>\",\n          \"deployment_name\": \"<string>\"\n        },\n        \"output_map\": {\n          \"response\": \"<string>\",\n          \"token_count\": \"<string>\",\n          \"input_token_count\": \"<string>\",\n          \"output_token_count\": \"<string>\",\n          \"completion_reason\": \"<string>\"\n        },\n        \"input_map\": {\n          \"prompt\": \"<string>\",\n          \"prefix\": \"\",\n          \"suffix\": \"\"\n        }\n      }\n    ]\n  },\n  \"scorers\": [\n    {\n      \"id\": \"<string>\",\n      \"model_name\": \"<string>\",\n      \"num_judges\": 123,\n      \"filters\": [\n        {\n          \"value\": \"<string>\",\n          \"name\": \"node_name\",\n          \"case_sensitive\": true\n        }\n      ],\n      \"scoreable_node_types\": [\n        \"<string>\"\n      ],\n      \"cot_enabled\": true,\n      \"name\": \"<string>\",\n      \"scorer_version\": {\n        \"id\": \"<string>\",\n        \"version\": 123,\n        \"scorer_id\": \"<string>\",\n        \"generated_scorer\": {\n          \"id\": \"<string>\",\n          \"name\": \"<string>\",\n          \"chain_poll_template\": {\n            \"template\": \"<string>\",\n            \"metric_system_prompt\": \"<string>\",\n            \"metric_description\": \"<string>\",\n            \"value_field_name\": \"rating\",\n            \"explanation_field_name\": \"explanation\",\n            \"metric_few_shot_examples\": [\n              {\n                \"generation_prompt_and_response\": \"<string>\",\n                \"evaluating_response\": \"<string>\"\n              }\n            ],\n            \"response_schema\": {}\n          },\n          \"instructions\": \"<string>\",\n          \"user_prompt\": \"<string>\"\n        },\n        \"registered_scorer\": {\n          \"id\": \"<string>\",\n          \"name\": \"<string>\",\n          \"score_type\": \"<string>\"\n        },\n        \"finetuned_scorer\": {\n          \"id\": \"<string>\",\n          \"name\": \"<string>\",\n          \"lora_task_id\": 123,\n          \"prompt\": \"<string>\",\n          \"lora_weights_path\": \"<string>\",\n          \"class_name_to_vocab_ix\": {}\n        },\n        \"model_name\": \"<string>\",\n        \"num_judges\": 123,\n        \"scoreable_node_types\": [\n          \"<string>\"\n        ],\n        \"cot_enabled\": true\n      },\n      \"multimodal_capabilities\": [],\n      \"score_type\": \"<string>\"\n    }\n  ],\n  \"trigger\": false,\n  \"experiment_group_id\": \"<string>\",\n  \"experiment_group_name\": \"<string>\"\n}"

response = http.request(request)
puts response.read_body

{
  "id": "<string>",
  "project_id": "<string>",
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "name": "",
  "created_by": "<string>",
  "created_by_user": {
    "id": "<string>",
    "email": "<string>",
    "first_name": "<string>",
    "last_name": "<string>"
  },
  "num_spans": 123,
  "num_traces": 123,
  "num_sessions": 123,
  "dataset": {
    "dataset_id": "<string>",
    "version_index": 123,
    "name": "<string>"
  },
  "aggregate_metrics": {},
  "structured_aggregate_metrics": {},
  "aggregate_feedback": {},
  "rating_aggregates": {},
  "ranking_score": 123,
  "rank": 123,
  "winner": true,
  "playground_id": "<string>",
  "playground": {
    "playground_id": "<string>",
    "name": "<string>"
  },
  "prompt_run_settings": {
    "logprobs": true,
    "top_logprobs": 5,
    "echo": false,
    "n": 1,
    "reasoning_effort": "medium",
    "verbosity": "medium",
    "deployment_name": "<string>",
    "model_alias": "gpt-5.1",
    "temperature": 123,
    "max_tokens": 4096,
    "stop_sequences": [
      "<string>"
    ],
    "top_p": 1,
    "top_k": 40,
    "frequency_penalty": 0,
    "presence_penalty": 0,
    "tools": "<string>",
    "tool_choice": "<string>",
    "response_format": {}
  },
  "prompt_model": "<string>",
  "prompt": {
    "prompt_template_id": "<string>",
    "version_index": 123,
    "name": "<string>",
    "content": "<string>"
  },
  "tags": {},
  "status": {
    "log_generation": {
      "progress_percent": 0
    }
  },
  "experiment_group_id": "<string>",
  "experiment_group_name": "<string>",
  "experiment_group_is_system": true
}

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>",
      "input": "<unknown>",
      "ctx": {}
    }
  ]
}