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

# Follow Authority

> Requires active Pro and an owner-scoped REST bearer key. Required scopes: watchlists:write. Follows the exact published usdot, docket_number, authority_type and authority_record_id in an owned watchlist. Resolve these from authority evidence and confirm the target with the user before changing it. Save the payload and Idempotency-Key.



## OpenAPI

````yaml /openapi.json post /watchlists/{id}/targets
openapi: 3.1.1
info:
  title: TruckerFetch Pro API
  version: 1.0.0
  description: >-
    Owner-scoped carrier, authority and observed-insurance research. All data
    operations require active Pro. Additional scopes, historical grants, source
    availability and current suppressions apply. Source observation, effective
    dates, edition dates and renewal estimates represent distinct facts.
servers:
  - url: https://truckerfetch.com/api/v1
security: []
paths:
  /watchlists/{id}/targets:
    post:
      summary: Follow Authority
      description: >-
        Requires active Pro and an owner-scoped REST bearer key. Required
        scopes: watchlists:write. Follows the exact published usdot,
        docket_number, authority_type and authority_record_id in an owned
        watchlist. Resolve these from authority evidence and confirm the target
        with the user before changing it. Save the payload and Idempotency-Key.
      operationId: followAuthority
      parameters:
        - in: path
          name: id
          required: true
          schema:
            type: string
            format: uuid
        - in: header
          name: Idempotency-Key
          required: true
          description: >-
            Persist this key with the exact request payload and reuse both after
            a timeout or confirmation; a changed payload conflicts.
          schema:
            type: string
            minLength: 8
            maxLength: 128
            pattern: ^[-._:a-zA-Z0-9]{8,128}$
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $schema: https://json-schema.org/draft/2020-12/schema
              type: object
              properties:
                usdot:
                  type: string
                  pattern: ^[0-9]{1,16}$
                docket_number:
                  type: string
                  minLength: 1
                  maxLength: 64
                authority_type:
                  type: string
                  minLength: 1
                  maxLength: 160
                authority_record_id:
                  type: string
                  format: uuid
                  pattern: >-
                    ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
              required:
                - usdot
                - docket_number
                - authority_type
                - authority_record_id
              additionalProperties: false
      responses:
        '201':
          description: Authorized operation result
          headers:
            X-Request-Id:
              schema:
                type: string
          content:
            application/json:
              schema:
                type: object
                required:
                  - data
                  - meta
                properties:
                  data: {}
                  meta:
                    type: object
                  next_cursor:
                    type: string
        '400':
          description: Invalid request
        '401':
          description: Credential required
        '402':
          description: Active Pro required
        '403':
          description: Insufficient scope or allowance
        '404':
          description: Unknown or inaccessible resource
        '409':
          description: >-
            Idempotency conflict, changed projection or owner confirmation
            required
        '410':
          description: >-
            Expired cursor, artifact or dated edition outside the rolling 90-day
            Lead History window (archive_expired); the latest published edition
            remains available
        '429':
          description: Request limit exceeded
          headers:
            Retry-After:
              schema:
                type: string
        '503':
          description: Service or binding unavailable
      security:
        - apiKey: []
components:
  securitySchemes:
    apiKey:
      type: http
      scheme: bearer
      description: Owner-scoped Pro API key

````

This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.