ELBO AI, INC Text to Speech API

openapi: 3.1.0
info:
  title: Puppetry Developer API Beta Audio Uploads Text to Speech API
  description: Live Puppetry Developer API beta for Puppetry Voice API access, hosted audio uploads, usage, and credit-backed text/audio-to-video jobs.
  version: '2026-05-11'
  contact:
    name: Puppetry Support
    url: https://www.puppetry.com
    email: support@puppetry.com
  termsOfService: https://www.puppetry.com/tos
  license:
    name: Proprietary
servers:
- url: https://www.puppetry.com
  description: Production
security:
- developerApiKey: []
tags:
- name: Text to Speech
paths:
  /api/v1/tts/puppetry:
    post:
      operationId: createPuppetrySpeech
      x-openai-isConsequential: true
      summary: Generate speech with a Puppetry voice
      description: Creates a hosted WAV audio file from text using a public Puppetry voice. Requires the tts:create scope.
      tags:
      - Text to Speech
      security:
      - developerApiKey: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TtsRequest'
            examples:
              speech:
                summary: Generate speech
                value:
                  voice_id: puppetry-af_bella
                  text: Hello from Puppetry.
                  speed: 1
      responses:
        '200':
          description: Generated audio
          headers:
            X-RateLimit-Limit:
              $ref: '#/components/headers/RateLimitLimit'
            X-RateLimit-Remaining:
              $ref: '#/components/headers/RateLimitRemaining'
            X-RateLimit-Reset:
              $ref: '#/components/headers/RateLimitReset'
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TtsResponse'
        '400':
          $ref: '#/components/responses/InvalidRequest'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          description: Unknown Puppetry voice
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
              examples:
                voiceNotFound:
                  value:
                    error: voice_not_found
                    message: Unknown Puppetry voice
        '429':
          $ref: '#/components/responses/RateLimited'
        '502':
          $ref: '#/components/responses/UpstreamFailure'
        '503':
          $ref: '#/components/responses/TemporarilyUnavailable'
components:
  responses:
    Forbidden:
      description: The API key does not include the required endpoint scope.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            forbidden:
              value:
                error: forbidden
                message: This API key does not have the required scope
    RateLimited:
      description: Rate limit or monthly beta quota exceeded
      headers:
        X-RateLimit-Limit:
          $ref: '#/components/headers/RateLimitLimit'
        X-RateLimit-Remaining:
          $ref: '#/components/headers/RateLimitRemaining'
        X-RateLimit-Reset:
          $ref: '#/components/headers/RateLimitReset'
        Retry-After:
          $ref: '#/components/headers/RetryAfter'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            rateLimited:
              value:
                error: rate_limited
                message: 'Developer API beta limit exceeded: 10 requests per minute.'
                retryable: true
                retry_after_seconds: 30
                retryAfter: 30
                retryAfterSeconds: 30
                next_poll_at: '2026-06-22T08:50:30.000Z'
                nextPollAt: '2026-06-22T08:50:30.000Z'
                details:
                  retryable: true
                  retry_after_seconds: 30
                  retryAfter: 30
                  retryAfterSeconds: 30
                  next_poll_at: '2026-06-22T08:50:30.000Z'
                  nextPollAt: '2026-06-22T08:50:30.000Z'
            voiceCharacterLimit:
              value:
                error: voice_character_limit_exceeded
                message: Monthly Puppetry Voice character limit exceeded
                details:
                  retryable: true
                  retry_after_seconds: 86400
                  retryAfter: 86400
                  retryAfterSeconds: 86400
            concurrentVideoJobLimit:
              value:
                error: concurrent_job_limit_exceeded
                message: Developer API concurrent job limit exceeded
                details:
                  retryable: true
                  concurrent_jobs: 2
                  concurrentJobs: 2
                  active_jobs: 2
                  activeJobs: 2
                  available_slots: 0
                  availableSlots: 0
                  active_job_expires_in_seconds: 512
                  activeJobExpiresInSeconds: 512
                  retry_after_seconds: 512
                  retryAfter: 512
                  retryAfterSeconds: 512
    Unauthorized:
      description: Missing, malformed, invalid, or revoked API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            unauthorized:
              value:
                error: unauthorized
                message: 'Missing or invalid Authorization header. Use: Bearer pk_live_...'
    TemporarilyUnavailable:
      description: A beta quota, usage lookup, or job counter is temporarily unavailable.
      headers:
        Retry-After:
          $ref: '#/components/headers/RetryAfter'
        X-Puppetry-Next-Poll-At:
          $ref: '#/components/headers/NextPollAt'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            apiAuthUnavailable:
              value:
                error: api_auth_unavailable
                message: Developer API authentication is temporarily unavailable
                retryable: true
                retry_after_seconds: 30
                retryAfter: 30
                retryAfterSeconds: 30
                next_poll_at: '2026-06-22T08:50:30.000Z'
                nextPollAt: '2026-06-22T08:50:30.000Z'
                details:
                  retryable: true
                  retry_after_seconds: 30
                  retryAfter: 30
                  retryAfterSeconds: 30
                  next_poll_at: '2026-06-22T08:50:30.000Z'
                  nextPollAt: '2026-06-22T08:50:30.000Z'
    InvalidRequest:
      description: Invalid request body or unsupported input
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            hostedAudioUploadUnavailable:
              value:
                error: hosted_audio_upload_unavailable
                message: Hosted audio upload ownership is temporarily unavailable
                details:
                  retry_after_seconds: 217
                  retryAfter: 217
                  retryAfterSeconds: 217
            hostedAudioUploadNotFound:
              value:
                error: invalid_request
                message: audio_url must reference a hosted API audio upload owned by this API key
                details:
                  retryable: false
                  retry_blocked_reason: audio_url must reference a hosted API audio upload owned by this API key
                  retryBlockedReason: audio_url must reference a hosted API audio upload owned by this API key
                  retry_block_code: HOSTED_AUDIO_UPLOAD_NOT_FOUND
                  retryBlockCode: HOSTED_AUDIO_UPLOAD_NOT_FOUND
            hostedAudioUploadPending:
              value:
                error: invalid_request
                message: audio_url hosted upload has not finished uploading; upload the file before creating a video
                details:
                  retryable: false
                  retry_blocked_reason: audio_url hosted upload has not finished uploading; upload the file before creating a video
                  retryBlockedReason: audio_url hosted upload has not finished uploading; upload the file before creating a video
                  retry_block_code: HOSTED_AUDIO_UPLOAD_PENDING
                  retryBlockCode: HOSTED_AUDIO_UPLOAD_PENDING
            invalidImage:
              value:
                error: invalid_image
                message: image_url must be a supported image
                details:
                  retryable: false
                  retry_blocked_reason: image_url must be a supported image
                  retryBlockedReason: image_url must be a supported image
                  retry_block_code: INVALID_VIDEO_IMAGE
                  retryBlockCode: INVALID_VIDEO_IMAGE
            audioTooLong:
              value:
                error: audio_too_long
                message: Audio is too long (529s). Maximum supported duration is 300 seconds (5 minutes). Please use a shorter script or split into multiple videos.
                details:
                  duration_seconds: 529.42
                  max_duration_seconds: 300
                  retryable: false
                  retry_blocked_reason: Audio is too long (529s). Maximum supported duration is 300 seconds (5 minutes). Please use a shorter script or split into multiple videos.
                  retryBlockedReason: Audio is too long (529s). Maximum supported duration is 300 seconds (5 minutes). Please use a shorter script or split into multiple videos.
                  retry_block_code: VIDEO_CREATE_AUDIO_TOO_LONG
                  retryBlockCode: VIDEO_CREATE_AUDIO_TOO_LONG
    UpstreamFailure:
      description: Puppetry could not create or inspect the requested asset.
      headers:
        Retry-After:
          $ref: '#/components/headers/RetryAfter'
        X-Puppetry-Next-Poll-At:
          $ref: '#/components/headers/NextPollAt'
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
          examples:
            videoQueueFailed:
              value:
                error: video_queue_failed
                message: Animation service did not return a video job id
                details:
                  retryable: true
                  retry_after_seconds: 30
                  retryAfter: 30
                  retryAfterSeconds: 30
                  next_poll_at: '2026-06-22T08:50:30.000Z'
                  nextPollAt: '2026-06-22T08:50:30.000Z'
            creditDebitUnavailable:
              value:
                error: credit_debit_unavailable
                message: Video credit debit is temporarily unavailable
                details:
                  retryable: true
                  retry_after_seconds: 30
                  retryAfter: 30
                  retryAfterSeconds: 30
                  next_poll_at: '2026-06-22T08:50:30.000Z'
                  nextPollAt: '2026-06-22T08:50:30.000Z'
            assetProbeUnavailable:
              value:
                error: asset_probe_unavailable
                message: audio_url is temporarily unavailable for inspection
                details:
                  retryable: true
                  retry_after_seconds: 30
                  retryAfter: 30
                  retryAfterSeconds: 30
            jobStatusUnavailable:
              value:
                error: job_status_unavailable
                message: Video job status is temporarily unavailable
                retryable: true
                retry_after_seconds: 10
                retryAfter: 10
                retryAfterSeconds: 10
                next_poll_at: '2026-06-22T08:50:10.000Z'
                nextPollAt: '2026-06-22T08:50:10.000Z'
                credits:
                  charged: 0
                  remaining: null
                creation_credits:
                  charged: 1
                  remaining_after_debit: 299
                  remainingAfterDebit: 299
                creationCredits:
                  charged: 1
                  remaining_after_debit: 299
                  remainingAfterDebit: 299
                details:
                  retryable: true
                  retry_after_seconds: 10
                  retryAfter: 10
                  retryAfterSeconds: 10
                  next_poll_at: '2026-06-22T08:50:10.000Z'
                  nextPollAt: '2026-06-22T08:50:10.000Z'
                  object: video_job
                  id: api_video_abc123
                  job_id: api_video_abc123
                  jobId: api_video_abc123
                  task_id: api_video_abc123
                  taskId: api_video_abc123
                  status_url: /api/v1/videos/api_video_abc123
                  statusUrl: /api/v1/videos/api_video_abc123
                  credits:
                    charged: 0
                    remaining: null
                  creation_credits:
                    charged: 1
                    remaining_after_debit: 299
                    remainingAfterDebit: 299
                  creationCredits:
                    charged: 1
                    remaining_after_debit: 299
                    remainingAfterDebit: 299
                  created_at: '2026-06-22T08:50:00.000Z'
                  createdAt: '2026-06-22T08:50:00.000Z'
                  content_location: /api/v1/videos/api_video_abc123
                  contentLocation: /api/v1/videos/api_video_abc123
            jobResultUnavailable:
              value:
                error: job_result_unavailable
                message: Video job result is temporarily unavailable
                retryable: true
                retry_after_seconds: 10
                retryAfter: 10
                retryAfterSeconds: 10
                next_poll_at: '2026-06-22T08:50:10.000Z'
                nextPollAt: '2026-06-22T08:50:10.000Z'
                credits:
                  charged: 0
                  remaining: null
                creation_credits:
                  charged: 1
                  remaining_after_debit: 299
                  remainingAfterDebit: 299
                creationCredits:
                  charged: 1
                  remaining_after_debit: 299
                  remainingAfterDebit: 299
                details:
                  retryable: true
                  retry_after_seconds: 10
                  retryAfter: 10
                  retryAfterSeconds: 10
                  next_poll_at: '2026-06-22T08:50:10.000Z'
                  nextPollAt: '2026-06-22T08:50:10.000Z'
                  object: video_job
                  id: api_video_abc123
                  job_id: api_video_abc123
                  jobId: api_video_abc123
                  task_id: api_video_abc123
                  taskId: api_video_abc123
                  status_url: /api/v1/videos/api_video_abc123
                  statusUrl: /api/v1/videos/api_video_abc123
                  credits:
                    charged: 0
                    remaining: null
                  creation_credits:
                    charged: 1
                    remaining_after_debit: 299
                    remainingAfterDebit: 299
                  creationCredits:
                    charged: 1
                    remaining_after_debit: 299
                    remainingAfterDebit: 299
                  created_at: '2026-06-22T08:50:00.000Z'
                  createdAt: '2026-06-22T08:50:00.000Z'
                  content_location: /api/v1/videos/api_video_abc123
                  contentLocation: /api/v1/videos/api_video_abc123
            jobFinalizationUnavailable:
              value:
                error: job_finalization_unavailable
                message: Video job finalization is temporarily unavailable
                retryable: true
                retry_after_seconds: 10
                retryAfter: 10
                retryAfterSeconds: 10
                next_poll_at: '2026-06-22T08:50:10.000Z'
                nextPollAt: '2026-06-22T08:50:10.000Z'
                credits:
                  charged: 0
                  remaining: null
                creation_credits:
                  charged: 1
                  remaining_after_debit: 299
                  remainingAfterDebit: 299
                creationCredits:
                  charged: 1
                  remaining_after_debit: 299
                  remainingAfterDebit: 299
                details:
                  retryable: true
                  retry_after_seconds: 10
                  retryAfter: 10
                  retryAfterSeconds: 10
                  next_poll_at: '2026-06-22T08:50:10.000Z'
                  nextPollAt: '2026-06-22T08:50:10.000Z'
                  object: video_job
                  id: api_video_abc123
                  job_id: api_video_abc123
                  jobId: api_video_abc123
                  task_id: api_video_abc123
                  taskId: api_video_abc123
                  status_url: /api/v1/videos/api_video_abc123
                  statusUrl: /api/v1/videos/api_video_abc123
                  credits:
                    charged: 0
                    remaining: null
                  creation_credits:
                    charged: 1
                    remaining_after_debit: 299
                    remainingAfterDebit: 299
                  creationCredits:
                    charged: 1
                    remaining_after_debit: 299
                    remainingAfterDebit: 299
                  created_at: '2026-06-22T08:50:00.000Z'
                  createdAt: '2026-06-22T08:50:00.000Z'
                  content_location: /api/v1/videos/api_video_abc123
                  contentLocation: /api/v1/videos/api_video_abc123
  headers:
    NextPollAt:
      description: Absolute UTC retry or poll time. Mirrors next_poll_at/nextPollAt in the JSON body.
      schema:
        type: string
        format: date-time
        example: '2026-06-22T08:50:30.000Z'
    RetryAfter:
      description: Seconds to wait before retrying a limited/transient request or polling a non-terminal video job again.
      schema:
        type: integer
        example: 30
    RateLimitRemaining:
      description: Requests remaining in the current one-minute window.
      schema:
        type: integer
        example: 9
    RateLimitReset:
      description: Unix timestamp, in seconds, when the current rate-limit window resets.
      schema:
        type: integer
        example: 1778520000
    RateLimitLimit:
      description: Requests allowed in the current one-minute window.
      schema:
        type: integer
        example: 10
  schemas:
    ErrorResponse:
      type: object
      required:
      - error
      - message
      properties:
        error:
          type: string
          examples:
          - invalid_request
          - unauthorized
          - rate_limited
        message:
          type: string
        object:
          type: string
          const: video_job
          description: Present on retryable transient video-status errors when the affected API video job is known.
        id:
          type: string
          description: Present on retryable transient video-status errors. API video job ID to keep polling.
        credits:
          type: object
          description: Present on retryable transient video-status errors for accepted API video jobs. Status polls are never billed, so charged is 0.
          properties:
            charged:
              type: integer
              minimum: 0
              example: 0
            remaining:
              type:
              - integer
              - 'null'
              minimum: 0
              description: Current balance if available; null when the status poll did not fetch credit state.
          additionalProperties: false
        creation_credits:
          $ref: '#/components/schemas/VideoJobCreationCredits'
          description: Original create-time video credit debit evidence for the affected API video job when available.
        creationCredits:
          $ref: '#/components/schemas/VideoJobCreationCredits'
          description: SDK-style alias for creation_credits.
        retryable:
          type: boolean
          description: Present on retryable transient errors and non-retryable terminal video-create/status errors so generated clients can identify retry/backoff behavior without parsing details.
        retry_blocked_reason:
          type: string
          description: Present on non-retryable terminal video-create/status errors. Redacted reason explaining why clients should not retry the same request.
        retryBlockedReason:
          type: string
          description: SDK-style alias for retry_blocked_reason.
        retry_block_code:
          type: string
          description: Present on non-retryable terminal video-create/status errors. Stable retry-block code suitable for generated clients.
        retryBlockCode:
          type: string
          description: SDK-style alias for retry_block_code.
        retry_after_seconds:
          type: integer
          minimum: 0
          description: Present on retryable transient errors. Mirrors Retry-After and details.retry_after_seconds.
        retryAfter:
          type: integer
          minimum: 0
          description: SDK-style alias for retry_after_seconds.
        retryAfterSeconds:
          type: integer
          minimum: 0
          description: CamelCase alias for retry_after_seconds.
        next_poll_at:
          type: string
          format: date-time
          description: Present on retryable transient errors. Absolute UTC time when clients should retry the request or poll again.
        nextPollAt:
          type: string
          format: date-time
          description: SDK-style alias for next_poll_at.
        job_id:
          type: string
          description: Present on retryable transient video-status errors so clients can correlate the retry to the API video job.
        jobId:
          type: string
          description: SDK-style alias for job_id.
        task_id:
          type: string
          description: Task-style alias for job_id on retryable transient video-status errors.
        taskId:
          type: string
          description: CamelCase task-style alias for job_id.
        source:
          type: string
          enum:
          - text
          - audio
          description: Video creation source for the affected API video job.
        request_source:
          type: string
          enum:
          - text
          - audio
          description: Alias for source.
        requestSource:
          type: string
          enum:
          - text
          - audio
          description: SDK-style alias for source.
        status_url:
          type: string
          description: Present on retryable transient video-status errors so clients know which job resource to poll next.
        statusUrl:
          type: string
          description: SDK-style alias for status_url.
        created_at:
          type: string
          format: date-time
          description: Creation time for the affected API video job.
        createdAt:
          type: string
          format: date-time
          description: SDK-style alias for created_at.
        expires_at:
          type: string
          format: date-time
          description: When the affected API video job record expires from status lookup.
        expiresAt:
          type: string
          format: date-time
          description: SDK-style alias for expires_at.
        details:
          description: Endpoint-specific diagnostic fields.
          type: object
          additionalProperties: true
        content_location:
          type: string
          description: Body alias for the status poll URL, mirroring the Content-Location response header target for clients that cannot reliably read headers.
        contentLocation:
          type: string
          description: SDK-style alias for content_location.
      additionalProperties: true
    VideoJobCreationCredits:
      type: object
      required:
      - charged
      - remaining_after_debit
      properties:
        charged:
          type: integer
          minimum: 0
          example: 1
          description: Video credits charged when the Developer API video job was created. Historical jobs may omit creation_credits when this evidence was not recorded.
        remaining_after_debit:
          type: integer
          nullable: true
          minimum: 0
          example: 299
          description: Workspace credit balance immediately after the original create debit, or null when unavailable.
        remainingAfterDebit:
          type: integer
          nullable: true
          minimum: 0
          example: 299
          description: SDK-style alias for remaining_after_debit.
      additionalProperties: false
    TtsResponse:
      type: object
      required:
      - object
      - id
      - voice_id
      - audio_url
      - format
      - usage
      properties:
        object:
          type: string
          const: audio
        id:
          type: string
          description: Generated audio asset ID.
        voice_id:
          type: string
          example: puppetry-af_bella
        audio_url:
          type: string
          format: uri
          description: Hosted URL for the generated WAV audio.
        format:
          type: string
          const: wav
        usage:
          type: object
          required:
          - voice_characters
          properties:
            voice_characters:
              type: object
              required:
              - used
              - limit
              - remaining
              properties:
                used:
                  type: integer
                  example: 20
                limit:
                  type: integer
                  example: 100000
                remaining:
                  type: integer
                  example: 99980
              additionalProperties: false
          additionalProperties: false
      additionalProperties: false
    TtsRequest:
      type: object
      required:
      - voice_id
      - text
      properties:
        voice_id:
          type: string
          description: Public voice ID from GET /api/v1/voices/puppetry.
          example: puppetry-af_bella
        text:
          type: string
          minLength: 1
          maxLength: 5000
          description: Text to synthesize.
          example: Hello from Puppetry.
        speed:
          type: number
          minimum: 0.5
          maximum: 2
          default: 1
          description: Speech speed multiplier.
      additionalProperties: false
  securitySchemes:
    developerApiKey:
      type: http
      scheme: bearer
      bearerFormat: Puppetry API key
      description: 'Use the Authorization header with a live Puppetry API key: Bearer pk_live_...'