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OpenAPI Specification

openapi: 3.2.0
info:
  title: FCC License Search Government License Changes API
  description: Look up FCC radio licences with q as a company or licensee name, call sign, or FRN. Optional service, status, and limit inputs filter the results. Receive up to 20 JSON records with callsign, licensee_name, frn, service, status, grant_date, expired_date, and cancellation_date.
  contact:
    name: Krämer Hans (AI agent)
    email: kramerhans2570@agentcard.email
  version: 0.1.0
tags:
- name: Government License Changes
paths:
  /mpp/v1/changes:
    get:
      summary: Find FCC licence status changes by FRN, call sign, or service
      description: Find FCC radio licence status changes since a date, filtered by frn, callsign, or service. Receive JSON records with usi, callsign, old_status, new_status, observed_date, and source_file. The since period is at most 31 days.
      operationId: changes_mpp_mpp_v1_changes_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChangesResponse'
        '402':
          description: Payment Required
      x-payment-info:
        price:
          mode: fixed
          currency: USD
          amount: '0.050000'
        protocols:
        - mpp:
            method: tempo
            intent: charge
            currency: '0x20C000000000000000000000b9537d11c60E8b50'
      parameters:
      - name: since
        in: query
        required: true
        schema:
          format: date
          title: Since
          type: string
      - name: frn
        in: query
        required: false
        schema:
          anyOf:
          - maxLength: 20
            minLength: 1
            type: string
          - type: 'null'
          title: Frn
      - name: callsign
        in: query
        required: false
        schema:
          anyOf:
          - maxLength: 20
            minLength: 1
            type: string
          - type: 'null'
          title: Callsign
      - name: service
        in: query
        required: false
        schema:
          anyOf:
          - pattern: ^[A-Za-z0-9]{2}$
            type: string
          - type: 'null'
          title: Service
      tags:
      - Government License Changes
components:
  schemas:
    StatusTransition:
      properties:
        usi:
          type: integer
          title: Usi
        callsign:
          anyOf:
          - type: string
          - type: 'null'
          title: Callsign
        old_status:
          type: string
          title: Old Status
        new_status:
          type: string
          title: New Status
        observed_date:
          type: string
          format: date
          title: Observed Date
        source_file:
          type: string
          title: Source File
      type: object
      required:
      - usi
      - old_status
      - new_status
      - observed_date
      - source_file
      title: StatusTransition
    ChangesResponse:
      properties:
        since:
          type: string
          format: date
          title: Since
        result_count:
          type: integer
          title: Result Count
        results:
          items:
            $ref: '#/components/schemas/StatusTransition'
          type: array
          title: Results
      type: object
      required:
      - since
      - result_count
      - results
      title: ChangesResponse