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OpenAPI Specification

openapi: 3.2.0
info:
  title: FlashData Customer Trial Credits API
  version: 0.2.0-draft
  summary: FlashData control-plane API contract
  description: Google search, YouTube data and media downloads, with endpoints for jobs, accounts, API keys and billing. See /docs for request examples and setup guides.
  contact:
    name: FlashData Engineering
servers:
- url: https://api.flashdata.dev/v2
  description: Management API
tags:
- name: Trial Credits
paths:
  /trial-credit-request:
    get:
      operationId: getTrialCreditRequest
      tags:
      - Trial Credits
      summary: Read Trial Credit eligibility and the account's lifetime request
      security:
      - cookieSession: []
      responses:
        '200':
          description: Current eligibility, configured grant, and request state
          headers:
            Cache-Control:
              $ref: '#/components/headers/CacheControlNoStore'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TrialCreditState'
        '401':
          $ref: '#/components/responses/NoStoreUnauthorized'
        '500':
          $ref: '#/components/responses/NoStoreInternalError'
        '503':
          $ref: '#/components/responses/NoStoreServiceUnavailable'
    post:
      operationId: createTrialCreditRequest
      tags:
      - Trial Credits
      summary: Submit the account's one lifetime Trial Credit request
      description: The trial amount and use case are saved when you submit the request.
      security:
      - cookieSession: []
        csrfToken: []
      parameters:
      - $ref: '#/components/parameters/IdempotencyKey'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              additionalProperties: false
      responses:
        '201':
          description: Trial Credit request created and automatically approved for eligible verified accounts, regardless of email provider
          headers:
            Cache-Control:
              $ref: '#/components/headers/CacheControlNoStore'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TrialCreditState'
        '401':
          $ref: '#/components/responses/NoStoreUnauthorized'
        '403':
          $ref: '#/components/responses/NoStoreForbidden'
        '409':
          $ref: '#/components/responses/NoStoreConflict'
        '422':
          $ref: '#/components/responses/NoStoreValidationError'
        '500':
          $ref: '#/components/responses/NoStoreInternalError'
        '503':
          $ref: '#/components/responses/NoStoreServiceUnavailable'
components:
  responses:
    NoStoreValidationError:
      description: Request validation failed
      headers:
        Cache-Control:
          $ref: '#/components/headers/CacheControlNoStore'
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    NoStoreConflict:
      description: Resource state or idempotency conflict
      headers:
        Cache-Control:
          $ref: '#/components/headers/CacheControlNoStore'
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    NoStoreInternalError:
      description: An unexpected internal error occurred
      headers:
        Cache-Control:
          $ref: '#/components/headers/CacheControlNoStore'
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    NoStoreForbidden:
      description: Authenticated but not permitted, or CSRF validation failed
      headers:
        Cache-Control:
          $ref: '#/components/headers/CacheControlNoStore'
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    NoStoreServiceUnavailable:
      description: A required dependency or onboarding record is temporarily unavailable
      headers:
        Cache-Control:
          $ref: '#/components/headers/CacheControlNoStore'
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
    NoStoreUnauthorized:
      description: Authentication required or invalid
      headers:
        Cache-Control:
          $ref: '#/components/headers/CacheControlNoStore'
        X-Request-Id:
          $ref: '#/components/headers/RequestId'
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/Problem'
  headers:
    RequestId:
      description: Stable request correlation ID
      schema:
        type: string
        pattern: ^req_
    CacheControlNoStore:
      description: Prevents storage of sensitive or state-changing responses by browsers and intermediaries
      schema:
        type: string
        const: no-store
  parameters:
    IdempotencyKey:
      name: Idempotency-Key
      in: header
      required: true
      schema:
        type: string
        minLength: 1
        maxLength: 255
  schemas:
    FieldError:
      type: object
      additionalProperties: false
      required:
      - field
      - code
      - message
      properties:
        field:
          type: string
        code:
          type: string
        message:
          type: string
    Problem:
      type: object
      additionalProperties: false
      required:
      - type
      - title
      - status
      - code
      - requestId
      properties:
        type:
          type: string
          format: uri-reference
        title:
          type: string
        status:
          type: integer
          minimum: 400
          maximum: 599
        code:
          type: string
          pattern: ^[a-z0-9_]+$
        detail:
          type: string
        requestId:
          type: string
          pattern: ^req_
        fieldErrors:
          type: array
          items:
            $ref: '#/components/schemas/FieldError'
    TrialCreditState:
      type: object
      additionalProperties: false
      required:
      - eligible
      - ineligibilityReason
      - grantCredits
      - settingsVersion
      - request
      properties:
        eligible:
          type: boolean
        ineligibilityReason:
          type:
          - string
          - 'null'
          enum:
          - account_inactive
          - email_unverified
          - onboarding_incomplete
          - not_payg
          - payment_history
          - already_granted
          - already_requested
          - null
        grantCredits:
          type: integer
          minimum: 1
        settingsVersion:
          type: integer
          minimum: 0
        request:
          oneOf:
          - $ref: '#/components/schemas/TrialCreditRequest'
          - type: 'null'
    TrialCreditRequestStatus:
      type: string
      enum:
      - pending
      - approved
      - rejected
    TrialCreditRequest:
      type: object
      additionalProperties: false
      required:
      - id
      - status
      - requestedCredits
      - policyVersion
      - useCase
      - requestedAt
      - reviewedAt
      - reviewReason
      - version
      properties:
        id:
          type: string
          pattern: ^tcr_[A-Za-z0-9_-]{8,}$
        status:
          $ref: '#/components/schemas/TrialCreditRequestStatus'
        requestedCredits:
          type: integer
          minimum: 1
        policyVersion:
          type: integer
          minimum: 0
        useCase:
          type:
          - string
          - 'null'
          enum:
          - google_search
          - youtube_data
          - download
          - null
        requestedAt:
          type: string
          format: date-time
        reviewedAt:
          type:
          - string
          - 'null'
          format: date-time
        reviewReason:
          type:
          - string
          - 'null'
        version:
          type: integer
          minimum: 0
  securitySchemes:
    dataApiKey:
      type: apiKey
      in: header
      name: X-API-Key
      description: FlashData API key. Job access is restricted to the key's source scopes.
    agentRegistrationProof:
      type: http
      scheme: bearer
      description: Persist a cryptographically random 32-byte base64url proof and exact request BEFORE sending; recover only with the same proof and body. Not an OAuth token.
    cookieSession:
      type: apiKey
      in: cookie
      name: __Host-fd_session
      description: Opaque Web session. The browser cannot read this cookie.
    agentSetupCredential:
      type: http
      scheme: bearer
      description: Temporary setup credential for status and claim creation only. Not a data API key.
    csrfToken:
      type: apiKey
      in: header
      name: X-CSRF-Token
    agentIdentityKey:
      type: http
      scheme: bearer
      description: Ordinary FlashData API key in Authorization Bearer, only on agent identity. Data queries use X-API-Key instead.
    agentHandoffProof:
      type: http
      scheme: bearer
      description: Proof used to recover the owner key and acknowledge installation. Never sent to a data query.