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Powerful TTS API features
Everything you need to integrate professional text-to-speech into your applicationsNeural TTS
300+ AI VoicesAccess premium neural voices in 33+ languages including English, Portuguese, Spanish, French, German, Chinese, Japanese, and more.Unlimited
Voice CloningCreate custom voices from audio samples with unlimited voice cloning. Perfect for personalized content and brand voices.Global
33+ LanguagesSupport for 33+ languages including English, Portuguese, Spanish, French, German, Chinese, Japanese, and many more.TTS API workflow
Convert text to speech with just a few simple API calls01
Create TTS Project
Create a new text-to-speech project with your text content and voice preferences.API Request
curl -X POST "https://dubsmart.ai/api/v1/projects/tts" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"title": "My TTS Project",
"segments": [
{
"text": "Hello, this is a test message",
"voice": "anna_en_v2",
"language": "en"
}
]
}'02
Monitor Processing
Track the progress of your TTS project as it processes your text into natural speech.API Request
curl -X GET "https://dubsmart.ai/api/v1/projects/tts/{projectId}" \
-H "Authorization: Bearer YOUR_API_KEY"
# Response:
{
"id": "project_id",
"status": "processing",
"progress": 75,
"segments": [
{
"id": "segment_id",
"status": "completed",
"audioUrl": "https://..."
}
]
}03
Download Audio
Download high-quality audio files when processing is complete. Get MP3 format with 22kHz quality.API Request
curl -X GET "https://dubsmart.ai/api/v1/projects/tts/{projectId}" \
-H "Authorization: Bearer YOUR_API_KEY"
# When status is "completed":
{
"id": "project_id",
"status": "completed",
"audioUrl": "https://storage.dubsmart.ai/audio.mp3",
"segments": [
{
"id": "segment_id",
"audioUrl": "https://storage.dubsmart.ai/segment.mp3"
}
]
}TTS API endpoints
Complete API reference for text-to-speech functionalityPOST
/projects/ttsCreate TTS Project
Create a new Text-to-Speech project with text segments and voice configurationsRequest
JSON
{
"title": "My TTS Project",
"segments": [
{
"text": "Hello world! This is a test message.",
"voice": "anna_en_v2",
"language": "en",
"speed": 1.0,
"pitch": 1.0
}
]
}Response
JSON
{
"id": "64f8a2b1c3d4e5f6a7b8c9d0",
"title": "My TTS Project",
"status": "pending",
"progress": 0,
"createdAt": "2023-09-06T10:30:00Z",
"segments": [
{
"id": "segment_1",
"text": "Hello world! This is a test message.",
"status": "pending"
}
]
}GET
/projects/ttsGet TTS Projects
Retrieve a list of your TTS projects with pagination and filtering optionsRequest
JSON
Query Parameters:
- limit: number (default: 20, max: 100)
- cursor: string (for pagination)
- status: "pending" | "processing" | "completed" | "failed"Response
JSON
{
"items": [
{
"id": "64f8a2b1c3d4e5f6a7b8c9d0",
"title": "My TTS Project",
"status": "completed",
"progress": 100,
"createdAt": "2023-09-06T10:30:00Z",
"audioUrl": "https://storage.dubsmart.ai/audio.mp3"
}
],
"nextCursor": "next_cursor_value"
}GET
/projects/tts/{projectId}Get TTS Project by ID
Retrieve detailed information about a specific TTS projectRequest
JSON
Path Parameters:
- projectId: string (required)Response
JSON
{
"id": "64f8a2b1c3d4e5f6a7b8c9d0",
"title": "My TTS Project",
"status": "completed",
"progress": 100,
"createdAt": "2023-09-06T10:30:00Z",
"audioUrl": "https://storage.dubsmart.ai/audio.mp3",
"segments": [
{
"id": "segment_1",
"text": "Hello world! This is a test message.",
"status": "completed",
"audioUrl": "https://storage.dubsmart.ai/segment_1.mp3"
}
]
}POST
/projects/tts/{projectId}/segmentsCreate TTS Segment
Add a new text segment to an existing TTS projectRequest
JSON
{
"text": "This is a new segment to add to the project.",
"voice": "john_en_v2",
"language": "en",
"speed": 1.2,
"pitch": 0.9
}Response
JSON
{
"id": "segment_2",
"text": "This is a new segment to add to the project.",
"voice": "john_en_v2",
"status": "pending",
"createdAt": "2023-09-06T10:45:00Z"
}PUT
/projects/tts/{projectId}/segments/{segmentId}Edit TTS Segment
Update text content, voice, or other properties of a segmentRequest
JSON
{
"text": "Updated segment text with new content.",
"voice": "sarah_en_v2",
"speed": 1.1
}Response
JSON
{
"id": "segment_2",
"text": "Updated segment text with new content.",
"voice": "sarah_en_v2",
"status": "pending",
"updatedAt": "2023-09-06T11:00:00Z"
}TTS API code examples
Ready-to-use code examples in multiple programming languagesJavaScript Example
// JavaScript/Node.js Example
const axios = require('axios');
const API_KEY = 'your_api_key_here';
const BASE_URL = 'https://dubsmart.ai/api/v1';
async function createTTSProject() {
try {
// Create TTS project
const projectResponse = await axios.post(`${BASE_URL}/projects/tts`, {
title: 'My TTS Project',
segments: [
{
text: 'Hello! This is a sample text for text-to-speech conversion.',
voice: 'anna_en_v2',
language: 'en',
speed: 1.0,
pitch: 1.0
},
{
text: 'This is the second segment with a different voice.',
voice: 'john_en_v2',
language: 'en',
speed: 1.1,
pitch: 0.9
}
]
}, {
headers: { 'Authorization': `Bearer ${API_KEY}` }
});
console.log('Project created:', projectResponse.data);
// Monitor project status
const projectId = projectResponse.data.id;
await monitorProjectStatus(projectId);
return projectResponse.data;
} catch (error) {
console.error('Error:', error.response?.data || error.message);
}
}
// Monitor project status
async function monitorProjectStatus(projectId) {
let status = 'pending';
while (status !== 'completed' && status !== 'failed') {
await new Promise(resolve => setTimeout(resolve, 5000)); // Wait 5 seconds
const response = await axios.get(`${BASE_URL}/projects/tts/${projectId}`, {
headers: { 'Authorization': `Bearer ${API_KEY}` }
});
status = response.data.status;
console.log(`Project status: ${status}, Progress: ${response.data.progress}%`);
if (status === 'completed') {
console.log('Audio URL:', response.data.audioUrl);
console.log('Segments:', response.data.segments);
}
}
}
// Usage
createTTSProject();Python Example
# Python Example
import requests
import time
API_KEY = 'your_api_key_here'
BASE_URL = 'https://dubsmart.ai/api/v1'
def create_tts_project():
headers = {'Authorization': f'Bearer {API_KEY}'}
try:
# Create TTS project
project_data = {
'title': 'My TTS Project',
'segments': [
{
'text': 'Hello! This is a sample text for text-to-speech conversion.',
'voice': 'anna_en_v2',
'language': 'en',
'speed': 1.0,
'pitch': 1.0
},
{
'text': 'This is the second segment with a different voice.',
'voice': 'john_en_v2',
'language': 'en',
'speed': 1.1,
'pitch': 0.9
}
]
}
project_response = requests.post(
f'{BASE_URL}/projects/tts',
json=project_data,
headers=headers
)
project_response.raise_for_status()
project = project_response.json()
print(f'Project created: {project}')
# Monitor project status
project_id = project['id']
monitor_project_status(project_id, headers)
return project
except requests.exceptions.RequestException as e:
print(f'Error: {e}')
if hasattr(e, 'response') and e.response is not None:
print(f'Response: {e.response.text}')
def monitor_project_status(project_id, headers):
status = 'pending'
while status not in ['completed', 'failed']:
time.sleep(5) # Wait 5 seconds
response = requests.get(
f'{BASE_URL}/projects/tts/{project_id}',
headers=headers
)
response.raise_for_status()
project_data = response.json()
status = project_data['status']
progress = project_data.get('progress', 0)
print(f'Project status: {status}, Progress: {progress}%')
if status == 'completed':
print(f'Audio URL: {project_data.get("audioUrl")}')
print(f'Segments: {project_data.get("segments")}')
# Usage
if __name__ == '__main__':
create_tts_project()cURL Example
# cURL Examples
# 1. Create TTS Project
curl -X POST "https://dubsmart.ai/api/v1/projects/tts" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"title": "My TTS Project",
"segments": [
{
"text": "Hello! This is a sample text for text-to-speech conversion.",
"voice": "anna_en_v2",
"language": "en",
"speed": 1.0,
"pitch": 1.0
},
{
"text": "This is the second segment with a different voice.",
"voice": "john_en_v2",
"language": "en",
"speed": 1.1,
"pitch": 0.9
}
]
}'
# 2. Get Project Status
curl -X GET "https://dubsmart.ai/api/v1/projects/tts/{projectId}" \
-H "Authorization: Bearer YOUR_API_KEY"
# 3. Get All TTS Projects
curl -X GET "https://dubsmart.ai/api/v1/projects/tts?limit=20" \
-H "Authorization: Bearer YOUR_API_KEY"
# 4. Add Segment to Project
curl -X POST "https://dubsmart.ai/api/v1/projects/tts/{projectId}/segments" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"text": "This is a new segment to add to the project.",
"voice": "sarah_en_v2",
"language": "en",
"speed": 1.2
}'
# 5. Edit Segment
curl -X PUT "https://dubsmart.ai/api/v1/projects/tts/{projectId}/segments/{segmentId}" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"text": "Updated segment text with new content.",
"voice": "mike_en_v2",
"speed": 1.0
}'
# 6. Delete Project
curl -X DELETE "https://dubsmart.ai/api/v1/projects/tts/{projectId}" \
-H "Authorization: Bearer YOUR_API_KEY"PHP Example
<?php
// PHP Example
$apiKey = 'your_api_key_here';
$baseUrl = 'https://dubsmart.ai/api/v1';
function createTTSProject() {
global $apiKey, $baseUrl;
$headers = [
'Authorization: Bearer ' . $apiKey,
'Content-Type: application/json'
];
try {
// Create TTS project
$projectData = [
'title' => 'My TTS Project',
'segments' => [
[
'text' => 'Hello! This is a sample text for text-to-speech conversion.',
'voice' => 'anna_en_v2',
'language' => 'en',
'speed' => 1.0,
'pitch' => 1.0
],
[
'text' => 'This is the second segment with a different voice.',
'voice' => 'john_en_v2',
'language' => 'en',
'speed' => 1.1,
'pitch' => 0.9
]
]
];
$projectResponse = httpRequest(
$baseUrl . '/projects/tts',
'POST',
$projectData,
$headers
);
echo "Project created: " . json_encode($projectResponse);
// Monitor project status
$projectId = $projectResponse['id'];
monitorProjectStatus($projectId, $headers);
return $projectResponse;
} catch (Exception $e) {
echo "Error: " . $e->getMessage();
return null;
}
}
function monitorProjectStatus($projectId, $headers) {
global $baseUrl;
$status = 'pending';
while (!in_array($status, ['completed', 'failed'])) {
sleep(5); // Wait 5 seconds
$response = httpRequest(
$baseUrl . '/projects/tts/' . $projectId,
'GET',
null,
$headers
);
$status = $response['status'];
$progress = $response['progress'] ?? 0;
echo "Project status: $status, Progress: $progress%" . PHP_EOL;
if ($status === 'completed') {
echo "Audio URL: " . ($response['audioUrl'] ?? 'N/A') . PHP_EOL;
echo "Segments: " . json_encode($response['segments'] ?? []) . PHP_EOL;
}
}
}
function httpRequest($url, $method, $data, $headers) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
if ($method === 'POST') {
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
} elseif ($method === 'PUT') {
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'PUT');
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
}
$response = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if ($httpCode >= 200 && $httpCode < 300) {
return json_decode($response, true);
} else {
throw new Exception("HTTP Error: " . $httpCode);
}
}
// Usage
$project = createTTSProject();
?>FAQ
What is the TTS API and how does it work?
Our TTS API is a RESTful service that converts text into natural-sounding speech using advanced AI technology. Simply send a POST request with your text content and voice preferences, and receive high-quality audio files in return.
How many voices and languages are available?
Our TTS API provides access to 300+ premium AI voices across 33+ languages and dialects. This includes popular languages like English, Spanish, French, German, Chinese, Japanese, and many others.
Can I use voice cloning with the API?
Yes! Our API supports unlimited custom voice cloning. You can create personalized voices by providing audio samples, then use these custom voices in your TTS projects.
What audio formats and quality does the API support?
The TTS API generates high-quality audio in MP3 format.
How long does it take to process TTS requests?
Processing time depends on text length and complexity. Typical segments (1-2 sentences) process in 10-30 seconds.
