Voice Generation API

const API_KEY = "YOUR_API_KEY";
const BASE_URL = "https://voice.demo.efficientstack.com/api/v1";

const headers = {
  "Authorization": `Bearer ${API_KEY}`,
  "Content-Type": "application/json"
};

async function listVoices() {
  const response = await fetch(`${BASE_URL}/voices`, {
    method: "POST",
    headers: headers,
    body: JSON.stringify({
      limit: 50,
      language: "en",
      gender: "Female",
      my_voice: false
    })
  });
  return await response.json();
}

async function generateSpeech(text, voiceId) {
  const response = await fetch(`${BASE_URL}/speech`, {
    method: "POST",
    headers: headers,
    body: JSON.stringify({
      model_id: "english",
      transcript: text,
      voice: { id: voiceId },
      output_format: {
        container: "mp3",
        sample_rate: 44100,
        bit_rate: 192000
      }
    })
  });
  
  const blob = await response.blob();
  
  const url = URL.createObjectURL(blob);
  const a = document.createElement('a');
  a.href = url;
  a.download = 'speech.mp3';
  a.click();
  
  return url;
}

async function previewVoice(voiceId) {
  const response = await fetch(
    `${BASE_URL}/preview/${voiceId}`,
    {
      headers: { "Authorization": `Bearer ${API_KEY}` }
    }
  );
  return await response.json();
}

async function main() {
  const voices = await listVoices();
  console.log(`Found ${voices.voices.length} voices`);
  
  if (voices.voices.length > 0) {
    const voiceId = voices.voices[0].voice_id;
    await generateSpeech("Hello, this is a test!", voiceId);
    console.log("Audio generated and downloaded");
  }
}

main();

curl -X POST "https://voice.demo.efficientstack.com/api/v1/voices" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "limit": 50,
    "language": "en",
    "gender": "Female",
    "my_voice": false
  }'

curl -X POST "https://voice.demo.efficientstack.com/api/v1/speech" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model_id": "english",
    "transcript": "Hello, this is a test of the text-to-speech API!",
    "voice": {
      "id": "voice-id-here"
    },
    "output_format": {
      "container": "mp3",
      "sample_rate": 44100,
      "bit_rate": 192000
    }
  }' \
  --output speech.mp3

curl -X GET "https://voice.demo.efficientstack.com/api/v1/preview/voice-id-here" \
  -H "Authorization: Bearer YOUR_API_KEY"

curl -X POST "https://voice.demo.efficientstack.com/api/v1/speech" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model_id": "multi",
    "transcript": "Bonjour! Comment allez-vous?",
    "voice": {
      "id": "french-voice-id"
    }
  }' \
  --output french_speech.mp3

<?php

$apiKey = "YOUR_API_KEY";
$baseUrl = "https://voice.demo.efficientstack.com/api/v1";

function listVoices($apiKey, $baseUrl) {
    $ch = curl_init("$baseUrl/voices");
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
        'limit' => 50,
        'language' => 'en',
        'gender' => 'Female',
        'my_voice' => false
    ]));
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        "Authorization: Bearer $apiKey",
        "Content-Type: application/json"
    ]);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    
    $response = curl_exec($ch);
    curl_close($ch);
    
    return json_decode($response, true);
}

function generateSpeech($apiKey, $baseUrl, $text, $voiceId) {
    $ch = curl_init("$baseUrl/speech");
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
        'model_id' => 'english',
        'transcript' => $text,
        'voice' => ['id' => $voiceId],
        'output_format' => [
            'container' => 'mp3',
            'sample_rate' => 44100,
            'bit_rate' => 192000
        ]
    ]));
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        "Authorization: Bearer $apiKey",
        "Content-Type: application/json"
    ]);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    
    $audioData = curl_exec($ch);
    curl_close($ch);
    
    file_put_contents('output.mp3', $audioData);
    return 'output.mp3';
}

function previewVoice($apiKey, $baseUrl, $voiceId) {
    $ch = curl_init("$baseUrl/preview/" . urlencode($voiceId));
    curl_setopt($ch, CURLOPT_HTTPHEADER, [
        "Authorization: Bearer $apiKey"
    ]);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    
    $response = curl_exec($ch);
    curl_close($ch);
    
    return json_decode($response, true);
}

$voices = listVoices($apiKey, $baseUrl);
echo "Found " . count($voices['voices']) . " voices\n";

if (!empty($voices['voices'])) {
    $voiceId = $voices['voices'][0]['voice_id'];
    $audioFile = generateSpeech($apiKey, $baseUrl, "Hello, this is a test!", $voiceId);
    echo "Audio saved to $audioFile\n";
}

?>