List voices

GET

/voices

import { createClient, createResources } from "@morevoice/sdk";

const mv = createResources({
  client: createClient({ baseUrl: "https://api.morevoice.ai/v1", auth: process.env.MOREVOICE_API_KEY }),
});

for await (const voice of mv.voices.list()) {
  console.log(voice);
}

import os

import requests

response = requests.get(
    "https://api.morevoice.ai/v1/voices",
    headers={"Authorization": f"Bearer {os.environ['MOREVOICE_API_KEY']}"},
)
response.raise_for_status()
print(response.json())

The voices assistants can speak with: your custom voices first, then the provider’s library by name (the dashboard’s order).

Try it in the API playground with a test-mode key.

Authorizations

bearerAuth

Parameters

Query Parameters

limit

integer

default: 20 >= 1 <= 100

How many objects to return, 1–100 (default 20).

starting_after

string

>= 1 characters <= 512 characters

A cursor (next_cursor) or object ID: return the objects after it (older).

ending_before

string

>= 1 characters <= 512 characters

A cursor or object ID: return the objects before it (newer).

type

string

Allowed values: prebuilt custom

Only prebuilt or only custom voices.

language

string

/^[A-Za-z]{2,3}(-[A-Za-z0-9]{2,8})*$/

Only voices listing this language (en matches en-US).

Header Parameters

MoreVoice-Version

string

/^\d{4}-\d{2}-\d{2}$/

The API version to use for this request. Defaults to the version the API key is pinned to.

Example

2026-11-01

Responses

200

application/json

A page of voices: your custom voices first, then the provider’s library by name (the dashboard’s order).

object

data

required

Array<object>

A voice assistants can speak with.

object

accent

required

The accent, or null.

string | null

description

required

The provider’s description, or null.

string | null

gender

required

As the provider describes the voice, or null.

string | null

languages

required

The languages the provider lists for the voice (BCP-47). Most voices speak many more, Hebrew included.

Array<string>

livemode

required

true in live mode, false in test mode.

boolean

name

required

The voice’s display name.

string

object

required

string

Allowed value: voice

provider

required

The text-to-speech provider.

string

Allowed values: gemini

type

required

prebuilt: the provider’s library. custom: a voice designed or replicated for your account.

string

Allowed values: prebuilt custom

voice_id

required

Pass it as voice.voice_id of an assistant, or to POST /v1/voices/preview.

string

has_more

required

Whether more objects follow in the requested direction.

boolean

next_cursor

required

Pass as starting_after (or ending_before, when paging backwards) to continue; null on the last page.

string | null

object

required

string

Allowed value: list

url

required

The list’s path.

string

Example

{
  "data": [
    {
      "accent": "American",
      "description": "Warm and upbeat.",
      "gender": "female",
      "languages": [
        "en-US"
      ],
      "livemode": true,
      "name": "Fola",
      "object": "voice",
      "provider": "gemini",
      "type": "prebuilt",
      "voice_id": "en-us-fola"
    }
  ],
  "has_more": false,
  "next_cursor": null,
  "object": "list",
  "url": "/v1/voices"
}

400

The request is invalid: a parameter is missing, malformed or unknown, or the version header is unknown.

application/json

Every /v1 error.

object

error

required

object

code

required

A stable, machine-readable code from the error-code catalogue.

string

details

Structured context, e.g. required_scope or the compliance verdict.

object

key

additional properties

doc_url

required

A link to the documentation of this code.

string

message

required

A human-readable explanation. Do not parse it.

string

param

The request parameter the error relates to, e.g. to or metadata[order_id].

string

request_id

required

The X-Request-Id of this request. Quote it when you contact support.

string

type

required

The category of the error.

string

Allowed values: invalid_request_error authentication_error permission_error not_found conflict rate_limit_error compliance_error idempotency_error api_error

Example

{
  "error": {
    "code": "parameter_missing",
    "doc_url": "https://docs.morevoice.ai/api/errors#parameter-missing",
    "message": "Missing required parameter: to.",
    "param": "to",
    "request_id": "req_7Hk2LmN9pQ4rS6tV8wX0yZ",
    "type": "invalid_request_error"
  }
}

Headers

X-Request-Id

string

The request’s ID (req_…). Quote it when you contact support.

401

No valid API key was sent.

application/json

Every /v1 error.

object

error

required

object

code

required

A stable, machine-readable code from the error-code catalogue.

string

details

Structured context, e.g. required_scope or the compliance verdict.

object

key

additional properties

doc_url

required

A link to the documentation of this code.

string

message

required

A human-readable explanation. Do not parse it.

string

param

The request parameter the error relates to, e.g. to or metadata[order_id].

string

request_id

required

The X-Request-Id of this request. Quote it when you contact support.

string

type

required

The category of the error.

string

Allowed values: invalid_request_error authentication_error permission_error not_found conflict rate_limit_error compliance_error idempotency_error api_error

Example

{
  "error": {
    "code": "invalid_api_key",
    "doc_url": "https://docs.morevoice.ai/api/errors#invalid-api-key",
    "message": "Invalid API key.",
    "request_id": "req_7Hk2LmN9pQ4rS6tV8wX0yZ",
    "type": "authentication_error"
  }
}

Headers

X-Request-Id

string

The request’s ID (req_…). Quote it when you contact support.

403

The key may not do this (a missing scope, a plan limit, or a compliance block).

application/json

Every /v1 error.

object

error

required

object

code

required

A stable, machine-readable code from the error-code catalogue.

string

details

Structured context, e.g. required_scope or the compliance verdict.

object

key

additional properties

doc_url

required

A link to the documentation of this code.

string

message

required

A human-readable explanation. Do not parse it.

string

param

The request parameter the error relates to, e.g. to or metadata[order_id].

string

request_id

required

The X-Request-Id of this request. Quote it when you contact support.

string

type

required

The category of the error.

string

Allowed values: invalid_request_error authentication_error permission_error not_found conflict rate_limit_error compliance_error idempotency_error api_error

Example

{
  "error": {
    "code": "missing_scope",
    "doc_url": "https://docs.morevoice.ai/api/errors#missing-scope",
    "message": "This API key lacks the calls:write scope.",
    "request_id": "req_7Hk2LmN9pQ4rS6tV8wX0yZ",
    "type": "permission_error"
  }
}

Headers

X-Request-Id

string

The request’s ID (req_…). Quote it when you contact support.

429

Too many requests, or no call capacity right now. Retry after the Retry-After delay.

application/json

Every /v1 error.

object

error

required

object

code

required

A stable, machine-readable code from the error-code catalogue.

string

details

Structured context, e.g. required_scope or the compliance verdict.

object

key

additional properties

doc_url

required

A link to the documentation of this code.

string

message

required

A human-readable explanation. Do not parse it.

string

param

The request parameter the error relates to, e.g. to or metadata[order_id].

string

request_id

required

The X-Request-Id of this request. Quote it when you contact support.

string

type

required

The category of the error.

string

Allowed values: invalid_request_error authentication_error permission_error not_found conflict rate_limit_error compliance_error idempotency_error api_error

Example

{
  "error": {
    "code": "rate_limited",
    "doc_url": "https://docs.morevoice.ai/api/errors#rate-limited",
    "message": "Too many requests. Retry after 1 second.",
    "request_id": "req_7Hk2LmN9pQ4rS6tV8wX0yZ",
    "type": "rate_limit_error"
  }
}

Headers

Retry-After

integer

Seconds to wait before retrying.

X-Request-Id

string

The request’s ID (req_…). Quote it when you contact support.

500

Something went wrong on MoreVoice’s side. Retry with the same Idempotency-Key.

application/json

Every /v1 error.

object

error

required

object

code

required

A stable, machine-readable code from the error-code catalogue.

string

details

Structured context, e.g. required_scope or the compliance verdict.

object

key

additional properties

doc_url

required

A link to the documentation of this code.

string

message

required

A human-readable explanation. Do not parse it.

string

param

The request parameter the error relates to, e.g. to or metadata[order_id].

string

request_id

required

The X-Request-Id of this request. Quote it when you contact support.

string

type

required

The category of the error.

string

Allowed values: invalid_request_error authentication_error permission_error not_found conflict rate_limit_error compliance_error idempotency_error api_error

Example

{
  "error": {
    "code": "internal_error",
    "doc_url": "https://docs.morevoice.ai/api/errors#internal-error",
    "message": "Something went wrong on MoreVoice's side.",
    "request_id": "req_7Hk2LmN9pQ4rS6tV8wX0yZ",
    "type": "api_error"
  }
}

Headers

X-Request-Id

string

The request’s ID (req_…). Quote it when you contact support.