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POST
/
v1
/
accounts
/
{accountId}
/
voice-library
Register a new voice in the voice library
curl --request POST \
  --url https://api.us.poly.ai/v1/accounts/{accountId}/voice-library \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "name": "<string>",
  "provider": "<string>",
  "config": {},
  "providerVoiceId": "<string>",
  "voiceMetadata": {}
}
'
import requests

url = "https://api.us.poly.ai/v1/accounts/{accountId}/voice-library"

payload = {
    "name": "<string>",
    "provider": "<string>",
    "config": {},
    "providerVoiceId": "<string>",
    "voiceMetadata": {}
}
headers = {
    "X-API-KEY": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)
const options = {
  method: 'POST',
  headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    name: '<string>',
    provider: '<string>',
    config: {},
    providerVoiceId: '<string>',
    voiceMetadata: {}
  })
};

fetch('https://api.us.poly.ai/v1/accounts/{accountId}/voice-library', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.us.poly.ai/v1/accounts/{accountId}/voice-library",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'name' => '<string>',
    'provider' => '<string>',
    'config' => [
        
    ],
    'providerVoiceId' => '<string>',
    'voiceMetadata' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "X-API-KEY: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.us.poly.ai/v1/accounts/{accountId}/voice-library"

	payload := strings.NewReader("{\n  \"name\": \"<string>\",\n  \"provider\": \"<string>\",\n  \"config\": {},\n  \"providerVoiceId\": \"<string>\",\n  \"voiceMetadata\": {}\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("X-API-KEY", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.post("https://api.us.poly.ai/v1/accounts/{accountId}/voice-library")
  .header("X-API-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"name\": \"<string>\",\n  \"provider\": \"<string>\",\n  \"config\": {},\n  \"providerVoiceId\": \"<string>\",\n  \"voiceMetadata\": {}\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.us.poly.ai/v1/accounts/{accountId}/voice-library")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"name\": \"<string>\",\n  \"provider\": \"<string>\",\n  \"config\": {},\n  \"providerVoiceId\": \"<string>\",\n  \"voiceMetadata\": {}\n}"

response = http.request(request)
puts response.read_body
{
  "voice": {
    "id": "<string>",
    "name": "<string>",
    "provider": "<string>",
    "providerVoiceId": "<string>",
    "config": {},
    "metadata": {},
    "isPolyVoice": false
  }
}
{
  "success": false,
  "error": "<string>",
  "error_id": "<string>",
  "error_code": "<string>",
  "error_message": "<string>",
  "data": "<unknown>"
}
{
  "success": false,
  "error": "<string>",
  "error_id": "<string>",
  "error_code": "<string>",
  "error_message": "<string>",
  "data": "<unknown>"
}
{
  "success": false,
  "error": "<string>",
  "error_id": "<string>",
  "error_code": "<string>",
  "error_message": "<string>",
  "data": "<unknown>"
}
{
  "success": false,
  "error": "Account ID does not exist.",
  "error_id": "550e8400-e29b-41d4-a716-446655440000",
  "error_code": "ACCOUNT_NOT_FOUND",
  "error_message": "Account ID does not exist.",
  "data": null
}

Authorizations

X-API-KEY
string
header
required

Path Parameters

accountId
string
required

Body

application/json

Request schema for creating a new voice.

name
string
required

Human-readable voice name

provider
string
required

TTS provider (e.g. GOOGLE, OPENAI, ELEVENLABS)

config
object
required

Provider-specific voice config

providerVoiceId
string
required

Voice ID from the TTS provider

voiceMetadata
object

Additional voice metadata

Response

Successful response

Response for single voice endpoints.

voice
object
required

A single voice as returned by the public API.

Last modified on May 29, 2026