Cartesia Datasets API

openapi: 3.0.3
info:
  title: Cartesia API
  description: >-
    The Cartesia REST API for real-time voice AI - text-to-speech and
    voice-changer generation (single-shot bytes or Server-Sent Events),
    batch speech-to-text transcription, voice management and cloning,
    audio infill, custom datasets, pronunciation dictionaries, API keys
    and scoped access tokens, the Voice Agents platform (agents, calls,
    call batches, phone numbers, telephony providers, webhooks,
    deployments, knowledge base documents/folders, and evaluation
    metrics), and usage reporting. All requests require a
    `Cartesia-Version` header and an `Authorization: Bearer` API key
    (`sk_car_...`) or short-lived access token. The lowest-latency,
    streaming surface for TTS and STT is a separate WebSocket protocol
    documented in the companion AsyncAPI document at
    asyncapi/cartesia-ai-asyncapi.yml.
  version: '2026-03-01'
  contact:
    name: Cartesia
    url: https://cartesia.ai
  license:
    name: API documentation - Cartesia Terms of Service
    url: https://cartesia.ai/terms-of-service
servers:
  - url: https://api.cartesia.ai
    description: Cartesia production API
security:
  - bearerAuth: []
tags:
  - name: Text-to-Speech
    description: Single-shot and streamed speech generation over plain HTTP.
  - name: Speech-to-Text
    description: Batch transcription of an audio file of any length.
  - name: Voices
    description: Voice catalog management and voice cloning.
  - name: Voice Changer
    description: Transform speech into a different target voice.
  - name: Infill
    description: Generate audio that smoothly connects two existing audio segments.
  - name: Datasets
    description: Audio/text collections used to build custom fine-tunes and voices.
  - name: Pronunciation Dictionaries
    description: Custom pronunciation overrides referenced by TTS requests.
  - name: API Keys
    description: Standard API key metadata.
  - name: Auth
    description: Short-lived, scoped access token generation.
  - name: Agents
    description: Voice agent configuration and public templates.
  - name: Calls
    description: Outbound call placement, batching, and history.
  - name: Phone Numbers
    description: Telephony number provisioning and import.
  - name: Providers
    description: Linked telephony provider accounts.
  - name: Webhooks
    description: Webhook endpoint registration.
  - name: Deployments
    description: Agent deployment inspection.
  - name: Knowledge Base
    description: Documents and folders used by agents.
  - name: Metrics
    description: LLM-as-a-judge quality metrics for agents.
  - name: Usage
    description: Credit and agent usage reporting.
  - name: Status
    description: API health and version.
paths:
  /tts/bytes:
    post:
      operationId: ttsBytes
      tags:
        - Text-to-Speech
      summary: Text-to-Speech (Bytes)
      description: Synthesizes a complete transcript and returns raw audio bytes in a single response.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TtsRequest'
      responses:
        '200':
          description: Synthesized audio.
          content:
            audio/*:
              schema:
                type: string
                format: binary
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /tts/sse:
    post:
      operationId: ttsSse
      tags:
        - Text-to-Speech
      summary: Text-to-Speech (SSE)
      description: Streams audio chunks with extra metadata (timestamps) from a complete transcript as Server-Sent Events.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TtsRequest'
      responses:
        '200':
          description: Server-Sent Events stream of audio chunks and metadata.
          content:
            text/event-stream:
              schema:
                type: string
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /stt:
    post:
      operationId: transcribe
      tags:
        - Speech-to-Text
      summary: Batch Speech-to-Text
      description: Transcribes an audio file of any length using the ink-whisper model.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
        - name: encoding
          in: query
          required: false
          description: PCM encoding, required only when uploading raw headerless PCM.
          schema:
            type: string
            enum: [pcm_s16le, pcm_s32le, pcm_f16le, pcm_f32le, pcm_mulaw, pcm_alaw]
        - name: sample_rate
          in: query
          required: false
          description: Sample rate in Hz, required only when uploading raw headerless PCM.
          schema:
            type: integer
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
                - file
                - model
              properties:
                file:
                  type: string
                  format: binary
                  description: 'Audio file. Supported formats: flac, m4a, mp3, mp4, mpeg.'
                model:
                  type: string
                  enum: [ink-whisper]
                language:
                  type: string
                  description: ISO-639-1 code. Defaults to en. Supports 99+ languages.
                  default: en
                timestamp_granularities[]:
                  type: array
                  items:
                    type: string
                    enum: [word]
      responses:
        '200':
          description: The transcript.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TranscriptResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /voices:
    get:
      operationId: listVoices
      tags:
        - Voices
      summary: List Voices
      description: Returns a paginated list of voices, with search and filtering.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
        - name: limit
          in: query
          schema:
            type: integer
            minimum: 1
            maximum: 100
        - name: starting_after
          in: query
          schema:
            type: string
        - name: ending_before
          in: query
          schema:
            type: string
        - name: q
          in: query
          description: Search voices by name, description, or ID.
          schema:
            type: string
        - name: is_owner
          in: query
          schema:
            type: boolean
        - name: gender
          in: query
          schema:
            type: string
            enum: [masculine, feminine, gender_neutral]
        - name: language
          in: query
          schema:
            type: string
        - name: expand[]
          in: query
          schema:
            type: array
            items:
              type: string
              enum: [preview_file_url]
      responses:
        '200':
          description: A page of voices.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetVoicesResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /voices/clone:
    post:
      operationId: cloneVoice
      tags:
        - Voices
      summary: Clone Voice
      description: Clones a new voice from an uploaded audio clip.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
                - clip
                - name
                - language
              properties:
                clip:
                  type: string
                  format: binary
                  description: 'Supported audio formats: flac, mp3, mpeg, mpga, oga, ogg, wav, webm.'
                name:
                  type: string
                description:
                  type: string
                language:
                  type: string
                  description: ISO 639-1 code (en, fr, de, es, ...).
                base_voice_id:
                  type: string
                  description: Derive the cloned voice from an existing voice ID.
      responses:
        '200':
          description: The cloned voice.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VoiceMetadata'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /voices/{id}:
    parameters:
      - $ref: '#/components/parameters/VoiceId'
    get:
      operationId: getVoice
      tags:
        - Voices
      summary: Get Voice
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: The requested voice.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VoiceMetadata'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateVoice
      tags:
        - Voices
      summary: Update Voice
      description: Updates voice metadata (name, description).
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                description:
                  type: string
      responses:
        '200':
          description: The updated voice.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VoiceMetadata'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteVoice
      tags:
        - Voices
      summary: Delete Voice
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: Deletion confirmation.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeleteResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /voices/localize:
    post:
      operationId: localizeVoice
      tags:
        - Voices
      summary: Localize Voice
      description: Creates a new voice from an existing voice localized to a new language and dialect.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - voice_id
                - name
                - language
              properties:
                voice_id:
                  type: string
                name:
                  type: string
                description:
                  type: string
                language:
                  type: string
                original_speaker_gender:
                  type: string
                  enum: [masculine, feminine]
      responses:
        '200':
          description: The localized voice.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/VoiceMetadata'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /voice-changer/bytes:
    post:
      operationId: voiceChangerBytes
      tags:
        - Voice Changer
      summary: Voice Changer (Bytes)
      description: Transforms an uploaded speech recording into a different target voice, returning raw audio bytes.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              $ref: '#/components/schemas/VoiceChangerRequest'
      responses:
        '200':
          description: Transformed audio.
          content:
            audio/*:
              schema:
                type: string
                format: binary
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /voice-changer/sse:
    post:
      operationId: voiceChangerSse
      tags:
        - Voice Changer
      summary: Voice Changer (SSE)
      description: Transforms an uploaded speech recording into a different target voice, streamed as Server-Sent Events.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              $ref: '#/components/schemas/VoiceChangerRequest'
      responses:
        '200':
          description: Server-Sent Events stream of transformed audio chunks.
          content:
            text/event-stream:
              schema:
                type: string
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /infill/bytes:
    post:
      operationId: infillBytes
      tags:
        - Infill
      summary: Infill (Bytes)
      description: >-
        Generates audio that smoothly connects two existing audio segments.
        At least one of left_audio or right_audio must be provided.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
                - transcript
              properties:
                left_audio:
                  type: string
                  format: binary
                  description: Audio preceding the infill text.
                right_audio:
                  type: string
                  format: binary
                  description: Audio following the infill text.
                transcript:
                  type: string
                  description: Text to generate between the two audio segments.
                model_id:
                  type: string
                  enum: [sonic-3, sonic-3-2026-01-12, sonic-3-2025-10-27]
                voice_id:
                  type: string
                language:
                  type: string
                output_format[container]:
                  type: string
                  enum: [raw, wav, mp3]
                output_format[sample_rate]:
                  type: integer
                  enum: [8000, 16000, 22050, 24000, 44100, 48000]
                output_format[encoding]:
                  type: string
                  enum: [pcm_f32le, pcm_s16le, pcm_mulaw, pcm_alaw]
                output_format[bit_rate]:
                  type: integer
                  enum: [32000, 64000, 96000, 128000, 192000]
      responses:
        '200':
          description: Infilled audio.
          content:
            audio/*:
              schema:
                type: string
                format: binary
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /datasets:
    get:
      operationId: listDatasets
      tags:
        - Datasets
      summary: List Datasets
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: A page of datasets.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Dataset'
                  has_more:
                    type: boolean
        '401':
          $ref: '#/components/responses/Unauthorized'
  /datasets/:
    post:
      operationId: createDataset
      tags:
        - Datasets
      summary: Create Dataset
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - name
              properties:
                name:
                  type: string
                description:
                  type: string
      responses:
        '200':
          description: The created dataset.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Dataset'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /datasets/{id}:
    parameters:
      - $ref: '#/components/parameters/DatasetId'
    get:
      operationId: getDataset
      tags:
        - Datasets
      summary: Get Dataset
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: The requested dataset.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Dataset'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateDataset
      tags:
        - Datasets
      summary: Update Dataset
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                description:
                  type: string
      responses:
        '200':
          description: The updated dataset.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Dataset'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteDataset
      tags:
        - Datasets
      summary: Delete Dataset
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: Deletion confirmation.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeleteResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /datasets/{id}/files:
    parameters:
      - $ref: '#/components/parameters/DatasetId'
    get:
      operationId: listDatasetFiles
      tags:
        - Datasets
      summary: List files in a dataset
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: A page of dataset files.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/DatasetFile'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    post:
      operationId: uploadDatasetFile
      tags:
        - Datasets
      summary: Upload a file to a dataset
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          multipart/form-data:
            schema:
              type: object
              required:
                - file
              properties:
                file:
                  type: string
                  format: binary
      responses:
        '200':
          description: The uploaded file.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DatasetFile'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
        '422':
          $ref: '#/components/responses/ValidationError'
  /datasets/{id}/files/{file_id}:
    parameters:
      - $ref: '#/components/parameters/DatasetId'
      - name: file_id
        in: path
        required: true
        description: The ID of the dataset file.
        schema:
          type: string
    delete:
      operationId: deleteDatasetFile
      tags:
        - Datasets
      summary: Remove a file from a dataset
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: Deletion confirmation.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeleteResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /pronunciation-dictionaries:
    get:
      operationId: listPronunciationDictionaries
      tags:
        - Pronunciation Dictionaries
      summary: List pronunciation dictionaries
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: A page of pronunciation dictionaries.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/PronunciationDictionary'
        '401':
          $ref: '#/components/responses/Unauthorized'
    post:
      operationId: createPronunciationDictionary
      tags:
        - Pronunciation Dictionaries
      summary: Create a pronunciation dictionary
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - name
                - rules
              properties:
                name:
                  type: string
                rules:
                  type: array
                  items:
                    type: object
                    additionalProperties: true
      responses:
        '200':
          description: The created pronunciation dictionary.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PronunciationDictionary'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '422':
          $ref: '#/components/responses/ValidationError'
  /pronunciation-dictionaries/{id}:
    parameters:
      - name: id
        in: path
        required: true
        description: The ID of the pronunciation dictionary.
        schema:
          type: string
    get:
      operationId: getPronunciationDictionary
      tags:
        - Pronunciation Dictionaries
      summary: Get a pronunciation dictionary
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: The requested pronunciation dictionary.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PronunciationDictionary'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updatePronunciationDictionary
      tags:
        - Pronunciation Dictionaries
      summary: Update a pronunciation dictionary
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                rules:
                  type: array
                  items:
                    type: object
                    additionalProperties: true
      responses:
        '200':
          description: The updated pronunciation dictionary.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PronunciationDictionary'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deletePronunciationDictionary
      tags:
        - Pronunciation Dictionaries
      summary: Delete a pronunciation dictionary
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: Deletion confirmation.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeleteResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /api-keys:
    get:
      operationId: listApiKeys
      tags:
        - API Keys
      summary: List API Keys
      description: Returns a paginated list of standard API keys.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: A page of API keys.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/ApiKey'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /api-keys/{id}:
    get:
      operationId: getApiKey
      tags:
        - API Keys
      summary: Get API Key
      description: Returns metadata for a single API key.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
        - name: id
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: The requested API key.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ApiKey'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /access-token:
    post:
      operationId: generateAccessToken
      tags:
        - Auth
      summary: Generate a New Access Token
      description: Generates a short-lived (max 3600s) access token scoped by grants for making API requests, suitable for use in browser clients.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                grants:
                  type: object
                  properties:
                    tts:
                      type: boolean
                    stt:
                      type: boolean
                    agent:
                      type: boolean
                expires_in:
                  type: integer
                  maximum: 3600
                  description: Token validity in seconds.
      responses:
        '200':
          description: The generated access token.
          content:
            application/json:
              schema:
                type: object
                required:
                  - token
                properties:
                  token:
                    type: string
        '401':
          $ref: '#/components/responses/Unauthorized'
  /agents:
    get:
      operationId: listAgents
      tags:
        - Agents
      summary: List Agents
      description: Lists all agents associated with your account.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: A page of agents.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/Agent'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /agents/templates:
    get:
      operationId: listAgentTemplates
      tags:
        - Agents
      summary: List Templates
      description: List of public, Cartesia-provided agent templates.
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: A page of agent templates.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
                      type: object
                      additionalProperties: true
        '401':
          $ref: '#/components/responses/Unauthorized'
  /agents/{id}:
    parameters:
      - $ref: '#/components/parameters/AgentId'
    get:
      operationId: getAgent
      tags:
        - Agents
      summary: Get Agent
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: The requested agent.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Agent'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    patch:
      operationId: updateAgent
      tags:
        - Agents
      summary: Update Agent
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              additionalProperties: true
      responses:
        '200':
          description: The updated agent.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Agent'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
    delete:
      operationId: deleteAgent
      tags:
        - Agents
      summary: Delete Agent
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: Deletion confirmation.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DeleteResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /agents/{id}/phone-numbers:
    parameters:
      - $ref: '#/components/parameters/AgentId'
    get:
      operationId: listAgentPhoneNumbers
      tags:
        - Agents
      summary: Agent Phone Numbers
      parameters:
        - $ref: '#/components/parameters/CartesiaVersion'
      responses:
        '200':
          description: Phone numbers assigned to this agent.
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    type: array
                    items:
              

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