> ## Documentation Index > Fetch the complete documentation index at: https://docs.galileo.ai/llms.txt > Use this file to discover all available pages before exploring further. # Get Signal > Read one Signal with its impact history, remediations, and merge relationships. ## OpenAPI ````yaml https://api.galileo.ai/public/v2/openapi.json get /v2/projects/{project_id}/runs/{run_id}/signals/{signal_id} openapi: 3.1.0 info: title: FastAPI version: 0.1.0 servers: - url: https://api.galileo.ai description: Galileo Public APIs - galileo-v2 security: [] paths: /v2/projects/{project_id}/runs/{run_id}/signals/{signal_id}: get: tags: - signals-v2 summary: Get Signal description: >- Read one Signal with its impact history, remediations, and merge relationships. operationId: >- get_signal_v2_projects__project_id__runs__run_id__signals__signal_id__get parameters: - name: project_id in: path required: true schema: type: string format: uuid4 title: Project Id - name: signal_id in: path required: true schema: type: string format: uuid4 title: Signal Id - name: run_id in: path required: true schema: type: string format: uuid4 title: Run Id responses: '200': description: Successful Response content: application/json: schema: $ref: '#/components/schemas/SignalDetailResponse' '422': description: Validation Error content: application/json: schema: $ref: '#/components/schemas/HTTPValidationError' security: - APIKeyHeader: [] - ClassicAPIKeyHeader: [] - OAuth2PasswordBearer: [] - HTTPBasic: [] components: schemas: SignalDetailResponse: properties: data: $ref: '#/components/schemas/SignalDetail' additionalProperties: false type: object required: - data title: SignalDetailResponse HTTPValidationError: properties: detail: items: $ref: '#/components/schemas/ValidationError' type: array title: Detail type: object title: HTTPValidationError SignalDetail: properties: id: type: string format: uuid4 title: Id display_key: type: string title: Display Key title: type: string title: Title description: type: string title: Description details: type: string title: Details grouping_rationale: type: string title: Grouping Rationale problem_type_id: type: string title: Problem Type Id labels: items: type: string type: array title: Labels component: $ref: '#/components/schemas/SignalComponent' severity: $ref: '#/components/schemas/SignalSeverity' status: $ref: '#/components/schemas/SignalStatus' notifications_muted: type: boolean title: Notifications Muted last_seen_at: type: string format: date-time title: Last Seen At occurrence_count: type: integer minimum: 0 title: Occurrence Count latest_impact: anyOf: - $ref: '#/components/schemas/SignalImpact' - type: 'null' scan_history: items: $ref: '#/components/schemas/SignalScanHistoryEntry' type: array title: Scan History remediations: items: $ref: '#/components/schemas/SignalRemediationDetail' type: array title: Remediations merged_signals: items: $ref: '#/components/schemas/SignalReference' type: array title: Merged Signals merged_into: anyOf: - $ref: '#/components/schemas/SignalReference' - type: 'null' additionalProperties: false type: object required: - id - display_key - title - description - details - grouping_rationale - problem_type_id - labels - component - severity - status - notifications_muted - last_seen_at - occurrence_count - latest_impact - scan_history - remediations - merged_signals - merged_into title: SignalDetail description: Diagnosis, impact, history, and remediations for one Signal. ValidationError: properties: loc: items: anyOf: - type: string - type: integer type: array title: Location msg: type: string title: Message type: type: string title: Error Type input: title: Input ctx: type: object title: Context type: object required: - loc - msg - type title: ValidationError SignalComponent: properties: type: $ref: '#/components/schemas/StepType' name: type: string title: Name additionalProperties: false type: object required: - type - name title: SignalComponent description: Agent component associated with a Signal or occurrence. SignalSeverity: properties: score: type: integer maximum: 100 minimum: 0 title: Score level: $ref: '#/components/schemas/SignalSeverityLevel' rationale: type: string title: Rationale additionalProperties: false type: object required: - score - level - rationale title: SignalSeverity description: Severity assigned when the Signal was generated. SignalStatus: type: string enum: - OPEN - RESOLVED title: SignalStatus description: Signal state selected by a user. SignalImpact: properties: affected_session_count: type: integer minimum: 0 title: Affected Session Count analyzed_session_count: type: integer minimum: 0 title: Analyzed Session Count exposed_session_count: type: integer minimum: 0 title: Exposed Session Count additionalProperties: false type: object required: - affected_session_count - analyzed_session_count - exposed_session_count title: SignalImpact description: Session counts measured for one Signal in one scan. SignalScanHistoryEntry: properties: affected_session_count: type: integer minimum: 0 title: Affected Session Count analyzed_session_count: type: integer minimum: 0 title: Analyzed Session Count exposed_session_count: type: integer minimum: 0 title: Exposed Session Count scan_id: type: string format: uuid4 title: Scan Id scan_number: type: integer minimum: 1 title: Scan Number completed_at: type: string format: date-time title: Completed At additionalProperties: false type: object required: - affected_session_count - analyzed_session_count - exposed_session_count - scan_id - scan_number - completed_at title: SignalScanHistoryEntry description: Impact recorded when a completed scan returned the Signal. SignalRemediationDetail: properties: id: type: string format: uuid4 title: Id generated_in_scan_id: type: string format: uuid4 title: Generated In Scan Id rank: type: integer minimum: 1 title: Rank type: type: string title: Type action: type: string title: Action validation: type: string title: Validation state: $ref: '#/components/schemas/SignalRemediationState' details: additionalProperties: $ref: '#/components/schemas/pydantic__types__JsonValue' type: object title: Details resources: items: $ref: '#/components/schemas/SignalRemediationResource' type: array title: Resources updated_at: type: string format: date-time title: Updated At additionalProperties: false type: object required: - id - generated_in_scan_id - rank - type - action - validation - state - details - resources - updated_at title: SignalRemediationDetail description: One proposed or applied remediation for a Signal. SignalReference: properties: id: type: string format: uuid4 title: Id display_key: type: string title: Display Key title: type: string title: Title last_seen_at: type: string format: date-time title: Last Seen At additionalProperties: false type: object required: - id - display_key - title - last_seen_at title: SignalReference description: Signal identity shown for a merge relationship. StepType: type: string enum: - http - llm - retriever - tool - workflow - agent - control - trace - session title: StepType SignalSeverityLevel: type: string enum: - LOW - MEDIUM - HIGH title: SignalSeverityLevel description: Severity level shown to users and used for notification selection. SignalRemediationState: type: string enum: - PROPOSED - IN_PROGRESS - APPLIED - VALIDATED - DISMISSED - FAILED title: SignalRemediationState description: Current state of a proposed remediation. pydantic__types__JsonValue: {} SignalRemediationResource: properties: type: type: string title: Type id: type: string title: Id additionalProperties: false type: object required: - type - id title: SignalRemediationResource description: Platform object created or updated by a remediation. securitySchemes: APIKeyHeader: type: apiKey in: header name: Splunk-AO-API-Key ClassicAPIKeyHeader: type: apiKey in: header name: Galileo-API-Key OAuth2PasswordBearer: type: oauth2 flows: password: scopes: {} tokenUrl: https://api.galileo.ai/login HTTPBasic: type: http scheme: basic ````