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OpenAPI Specification

openapi: 3.2.0
info:
  title: ditto.audio Chunks API
  description: Cloud API behind ditto.audio. The reader (reader.ditto.audio) and the voice studio (studio.ditto.audio) are separate apps sharing this one backend — see /docs/reader and /docs/inference for each app’s public surface. Third-party integrations want /docs/public (rendered for humans at https://ditto.audio/docs).
  version: '1.0'
  contact: {}
servers: []
tags:
- name: Chunks
  description: Content-addressed rendered-audio chunk store (the reader backend’s S3 cache)
paths:
  /v1/chunks/lookup:
    post:
      operationId: ChunkStoreController_lookup
      parameters: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ChunkLookupDto'
      responses:
        '201':
          description: ''
      security:
      - bearer: []
      summary: Which of these chunks are stored + which can I download
      tags:
      - Chunks
  /v1/chunks/{chunkId}/upload-url:
    post:
      operationId: ChunkStoreController_uploadUrl
      parameters:
      - name: chunkId
        required: true
        in: path
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ChunkUploadUrlDto'
      responses:
        '201':
          description: ''
      security:
      - bearer: []
      summary: 'Ask before sending: presigned PUT only if the server lacks it'
      tags:
      - Chunks
  /v1/chunks/{chunkId}/confirm:
    post:
      operationId: ChunkStoreController_confirm
      parameters:
      - name: chunkId
        required: true
        in: path
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ChunkConfirmDto'
      responses:
        '201':
          description: ''
      security:
      - bearer: []
      summary: The blob landed — register dedup record + grant ownership
      tags:
      - Chunks
  /v1/chunks/{chunkId}/download:
    get:
      operationId: ChunkStoreController_download
      parameters:
      - name: chunkId
        required: true
        in: path
        schema:
          type: string
      responses:
        '200':
          description: ''
      security:
      - bearer: []
      summary: Presigned download for one chunk (iff entitled)
      tags:
      - Chunks
components:
  schemas:
    ChunkLookupDto:
      type: object
      properties: {}
    ChunkUploadUrlDto:
      type: object
      properties: {}
    ChunkConfirmDto:
      type: object
      properties: {}
  securitySchemes:
    bearer:
      scheme: bearer
      bearerFormat: ditto_sk_live_… API key, ditto_oat_… OAuth access token, or a session JWT
      type: http
      description: An API key (`ditto_sk_live_…`, made at https://ditto.audio/account/api-keys) authenticates /v1/audio/* and /v1/reader/*; an OAuth connection's one-hour access token (`ditto_oat_…`) holds the audio:read and audio:speech scopes only. Account routes (/v1/api-keys, /v1/usage, /v1/subscription) take the signed-in session's token (a JWT) only.