> ## Documentation Index
> Fetch the complete documentation index at: https://traceroot.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Signal

> Get one signal of the caller's project. A merged signal names the signal it moved to.



## OpenAPI

````yaml /api-reference/openapi.json get /api/v1/public/signals/{signal_id}
openapi: 3.1.0
info:
  title: TraceRoot Public API
  version: 0.1.0
servers:
  - description: TraceRoot Cloud
    url: https://app.traceroot.ai
  - description: Self-hosted
    url: '{baseUrl}'
    variables:
      baseUrl:
        default: http://localhost:8000
        description: Your TraceRoot backend URL
security: []
paths:
  /api/v1/public/signals/{signal_id}:
    get:
      tags:
        - Signals
      summary: Get Signal
      description: >-
        Get one signal of the caller's project. A merged signal names the signal
        it moved to.
      operationId: get_signal
      parameters:
        - in: path
          name: signal_id
          required: true
          schema:
            title: Signal Id
            type: string
        - description: >-
            Target project for the request. Required when authenticating with a
            user session token (a user credential is only meaningful scoped to a
            project); for an API key it is optional and, if given, must match
            the key's project.
          in: query
          name: project_id
          required: false
          schema:
            anyOf:
              - type: string
              - type: 'null'
            description: >-
              Target project for the request. Required when authenticating with
              a user session token (a user credential is only meaningful scoped
              to a project); for an API key it is optional and, if given, must
              match the key's project.
            title: Project Id
      responses:
        '200':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SignalDetail'
          description: Successful Response
        '401':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
          description: Authentication failed
        '404':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
          description: Signal not found
        '422':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
          description: Validation Error
        '503':
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
          description: Authentication service unavailable
      security:
        - BearerAuth: []
components:
  schemas:
    SignalDetail:
      description: >-
        One signal, including when it was resolved and whether it was merged.


        A merged signal is still answered, with ``merged_into_id`` naming the
        signal

        its findings moved to; lists leave merged signals out.
      properties:
        created_at:
          format: date-time
          title: Created At
          type: string
        detector_id:
          title: Detector Id
          type: string
        detector_name:
          anyOf:
            - type: string
            - type: 'null'
          title: Detector Name
        first_seen_at:
          format: date-time
          title: First Seen At
          type: string
        hit_count:
          title: Hit Count
          type: integer
        last_seen_at:
          format: date-time
          title: Last Seen At
          type: string
        merged_into_id:
          anyOf:
            - type: string
            - type: 'null'
          title: Merged Into Id
        rca_state:
          anyOf:
            - type: string
            - type: 'null'
          title: Rca State
        reopen_count:
          title: Reopen Count
          type: integer
        resolved_at:
          anyOf:
            - format: date-time
              type: string
            - type: 'null'
          title: Resolved At
        signal_id:
          title: Signal Id
          type: string
        status:
          enum:
            - open
            - resolved
            - dismissed
          title: Status
          type: string
        title:
          title: Title
          type: string
      required:
        - signal_id
        - detector_id
        - detector_name
        - title
        - status
        - hit_count
        - reopen_count
        - first_seen_at
        - last_seen_at
        - created_at
        - resolved_at
        - merged_into_id
      title: SignalDetail
      type: object
    ErrorResponse:
      description: >-
        The canonical public error envelope (matches the gateway's normalized
        shape).
      properties:
        detail:
          title: Detail
          type: string
      required:
        - detail
      title: ErrorResponse
      type: object
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          title: Detail
          type: array
      title: HTTPValidationError
      type: object
    ValidationError:
      properties:
        ctx:
          title: Context
          type: object
        input:
          title: Input
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          title: Location
          type: array
        msg:
          title: Message
          type: string
        type:
          title: Error Type
          type: string
      required:
        - loc
        - msg
        - type
      title: ValidationError
      type: object
  securitySchemes:
    BearerAuth:
      scheme: bearer
      type: http

````

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