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

# List Fetcher bridge readiness candidates

> Returns extractions in the requested readiness state with cursor pagination. Drilldown surface for the operational dashboard summary.



## OpenAPI

````yaml /en/openapi/v3-current/matcher.yaml get /v1/discovery/extractions/bridge/candidates
openapi: 3.1.0
info:
  title: Matcher APIs
  description: >-
    Complete API reference for the Matcher reconciliation engine, providing
    automated transaction matching between Midaz Ledger and external systems.
  version: v2.1.1
  license:
    name: Elastic License 2.0
    url: https://www.elastic.co/licensing/elastic-license
servers:
  - url: https://matcher.sandbox.lerian.net
security: []
paths:
  /v1/discovery/extractions/bridge/candidates:
    get:
      tags:
        - Discovery
      summary: List Fetcher bridge readiness candidates
      description: >-
        Returns extractions in the requested readiness state with cursor
        pagination. Drilldown surface for the operational dashboard summary.
      operationId: listDiscoveryBridgeCandidates
      parameters:
        - description: A unique identifier for tracing the request across services.
          in: header
          name: X-Request-Id
          schema:
            type: string
        - description: 'Readiness state filter: pending, ready, stale, failed, or in_flight'
          in: query
          name: state
          required: true
          schema:
            type: string
            enum:
              - pending
              - ready
              - stale
              - failed
              - in_flight
        - description: Opaque pagination cursor returned by the previous response.
          in: query
          name: cursor
          schema:
            type: string
        - description: Page size (default 50, max 200)
          in: query
          name: limit
          schema:
            type: integer
            minimum: 1
            maximum: 200
            default: 50
      responses:
        '200':
          description: Page of bridge candidates
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListBridgeCandidatesResponse'
        '400':
          description: Invalid query parameters
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '401':
          description: The request lacks valid authentication credentials.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '403':
          description: You do not have permission to access this resource.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
        '500':
          description: An unexpected error occurred on the server.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
      security:
        - BearerAuth: []
components:
  schemas:
    ListBridgeCandidatesResponse:
      description: A cursor-paginated page of bridge readiness candidates.
      type: object
      required:
        - items
        - state
        - limit
      properties:
        items:
          description: List of bridge candidates for the current page.
          type: array
          items:
            $ref: '#/components/schemas/BridgeCandidateResponse'
        nextCursor:
          description: >-
            Opaque cursor for fetching the next page. Absent when no more pages
            exist.
          type: string
          example: >-
            eyJjIjoiMjAyNS0wMS0wMVQwMDowMDowMFoiLCJpIjoiMTIzZTQ1NjctZTg5Yi0xMmQzLWE0NTYtNDI2NjE0MTc0MDAwIn0=
        state:
          description: The readiness state filter applied to this page.
          type: string
          example: ready
        limit:
          description: The page size used for this response.
          type: integer
          example: 50
    ErrorResponse:
      description: Standard error response returned by all API endpoints
      type: object
      required:
        - code
        - title
        - message
      properties:
        code:
          type: string
          description: HTTP status code as a string.
          example: '404'
        title:
          type: string
          description: Error type identifier.
          example: not_found
        message:
          type: string
          description: Human-readable error message with details.
          example: context not found
        error:
          type: string
          description: Deprecated. Error message for backward compatibility.
          deprecated: true
        details:
          description: Additional error context as key-value pairs
          additionalProperties: {}
          type: object
    BridgeCandidateResponse:
      description: A single drill-down row for the bridge readiness dashboard.
      type: object
      required:
        - extractionId
        - connectionId
        - status
        - readinessState
        - createdAt
        - updatedAt
        - ageSeconds
      properties:
        extractionId:
          description: The unique identifier of the extraction.
          type: string
          format: uuid
          example: 123e4567-e89b-12d3-a456-426614174000
        connectionId:
          description: The unique identifier of the connection.
          type: string
          format: uuid
          example: 123e4567-e89b-12d3-a456-426614174001
        status:
          description: The extraction status.
          type: string
          example: COMPLETED
        readinessState:
          description: >-
            The bridge readiness state: pending, ready, stale, failed, or
            in_flight.
          type: string
          example: ready
        ingestionJobId:
          description: The ingestion job identifier, if linked.
          type:
            - string
            - 'null'
          format: uuid
          example: 123e4567-e89b-12d3-a456-426614174002
        fetcherJobId:
          description: The Fetcher job identifier.
          type: string
          example: fetcher-job-abc123
        createdAt:
          description: Timestamp when the extraction was created.
          type: string
          format: date-time
          example: '2025-01-01T00:00:00Z'
        updatedAt:
          description: Timestamp when the extraction was last updated.
          type: string
          format: date-time
          example: '2025-01-01T01:00:00Z'
        ageSeconds:
          description: Age of the extraction in seconds.
          type: integer
          format: int64
          example: 3600
        bridgeLastError:
          description: >-
            The last bridge error class for failed extractions (omitted for
            non-failed rows).
          type: string
          example: integrity_failed
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: 'Bearer token authentication (format: "Bearer {token}")'

````