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OpenAPI Specification

openapi: 3.2.0
info:
  title: Citation Ledger API
  version: 1.0.0
  description: Workspace scoped API keys, durable jobs and prepaid credits. AI and Check return proposals unless apply is true. Credit purchases are currently unavailable; operations that use credits require an existing balance.
servers:
- url: https://citation.co/api/v1
  description: Citation production
security:
- apiKey: []
tags:
- name: Ledger
paths:
  /ledger:
    get:
      operationId: ledger
      summary: ledger
      description: Read a cursor page of the account's API credit movements, including purchases, reservations, spending and releases. Continue with the returned next_cursor as after.
      parameters:
      - name: after
        in: query
        required: false
        schema:
          type: string
          pattern: ^\d+$
      - name: limit
        in: query
        required: false
        schema:
          default: 20
          type: integer
          minimum: 1
          maximum: 50
      security:
      - apiKey: []
      x-scopes: []
      x-credits: 0
      responses:
        '200':
          description: Successful operation.
          headers:
            X-Request-ID:
              schema:
                type: string
                format: uuid
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/LedgerPage'
        '400':
          description: Invalid input
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Invalid key
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '402':
          description: Insufficient credits
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '403':
          description: Insufficient permissions
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Resource not found
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '408':
          description: Request timeout
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '409':
          description: Version or idempotency conflict
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '413':
          description: Size limit
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '415':
          description: Unsupported media
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '422':
          description: Invalid content or credit ceiling
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate or queue limit
          headers:
            X-Request-ID:
              schema:
                type: string
            Retry-After:
              schema:
                type: integer
              description: Seconds to wait before retrying.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '502':
          description: Invalid provider result
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '503':
          description: Temporarily unavailable
          headers:
            X-Request-ID:
              schema:
                type: string
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      tags:
      - Ledger
components:
  schemas:
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: string
            message:
              type: string
            retryable:
              type: boolean
            request_id:
              type: string
              format: uuid
              pattern: ^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$
          required:
          - code
          - message
          - retryable
          - request_id
      required:
      - error
    LedgerPage:
      type: object
      properties:
        items:
          type: array
          items:
            type: object
            properties:
              id:
                type: integer
                minimum: -9007199254740991
                maximum: 9007199254740991
              kind:
                type: string
              amount:
                type: integer
                minimum: -9007199254740991
                maximum: 9007199254740991
              job_id:
                anyOf:
                - 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)$
                - type: 'null'
              created_at:
                type: string
            required:
            - id
            - kind
            - amount
            - job_id
            - created_at
        has_more:
          type: boolean
        next_cursor:
          type:
          - string
          - number
          - 'null'
      required:
      - items
      - has_more
      - next_cursor
  securitySchemes:
    apiKey:
      type: http
      scheme: bearer
      bearerFormat: ca1_
externalDocs:
  description: API reference and authentication
  url: https://citation.co/docs/api
x-pricing:
  currency: USD
  package:
    amount: 1000
    credits: 100
  operations:
    write: 1
    resolve: 1
    import: 1
    export: 1
    check: 5
  expires: false
x-limits:
  key_per_minute: 120
  account_per_minute: 300
  running_jobs: 2
  queued_jobs: 20
  ai_words: 10000
  ai_sources: 12
  output_words: 2000
  check_words: 5000
  check_sources: 20
  file_bytes: 10000000