OpenAI互換の音声合成を行う
curl --request POST \
--url https://api.example.com/v1/audio/speech \
--header 'Content-Type: application/json' \
--data '
{
"input": "<string>",
"voice": "<string>",
"model": "<string>",
"instructions": "<string>",
"response_format": "<string>",
"speed": 1,
"stream_format": "<string>"
}
'import requests
url = "https://api.example.com/v1/audio/speech"
payload = {
"input": "<string>",
"voice": "<string>",
"model": "<string>",
"instructions": "<string>",
"response_format": "<string>",
"speed": 1,
"stream_format": "<string>"
}
headers = {"Content-Type": "application/json"}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
input: '<string>',
voice: '<string>',
model: '<string>',
instructions: '<string>',
response_format: '<string>',
speed: 1,
stream_format: '<string>'
})
};
fetch('https://api.example.com/v1/audio/speech', 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.example.com/v1/audio/speech",
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([
'input' => '<string>',
'voice' => '<string>',
'model' => '<string>',
'instructions' => '<string>',
'response_format' => '<string>',
'speed' => 1,
'stream_format' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json"
],
]);
$response = curl_exec($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.example.com/v1/audio/speech"
payload := strings.NewReader("{\n \"input\": \"<string>\",\n \"voice\": \"<string>\",\n \"model\": \"<string>\",\n \"instructions\": \"<string>\",\n \"response_format\": \"<string>\",\n \"speed\": 1,\n \"stream_format\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
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.example.com/v1/audio/speech")
.header("Content-Type", "application/json")
.body("{\n \"input\": \"<string>\",\n \"voice\": \"<string>\",\n \"model\": \"<string>\",\n \"instructions\": \"<string>\",\n \"response_format\": \"<string>\",\n \"speed\": 1,\n \"stream_format\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/v1/audio/speech")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"input\": \"<string>\",\n \"voice\": \"<string>\",\n \"model\": \"<string>\",\n \"instructions\": \"<string>\",\n \"response_format\": \"<string>\",\n \"speed\": 1,\n \"stream_format\": \"<string>\"\n}"
response = http.request(request)
puts response.read_body"<string>"{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}OpenAI互換の音声合成を行う
OpenAI Audio Speech API互換のリクエストで音声合成を行い、WAV音声を返します。voiceにはVOICEVOXのスタイルID、AI SDKの音声エイリアス、OpenAIのボイス名を指定できます。speedはVOICEVOXのspeedScaleに適用されます。model、instructions、response_format、stream_formatは互換性のため受け付けますが、Laravel版では現在WAV出力固定です。
Laravel実装状況: ✅ コアで完全対応(フォールバック実装済み)
POST
/
v1
/
audio
/
speech
OpenAI互換の音声合成を行う
curl --request POST \
--url https://api.example.com/v1/audio/speech \
--header 'Content-Type: application/json' \
--data '
{
"input": "<string>",
"voice": "<string>",
"model": "<string>",
"instructions": "<string>",
"response_format": "<string>",
"speed": 1,
"stream_format": "<string>"
}
'import requests
url = "https://api.example.com/v1/audio/speech"
payload = {
"input": "<string>",
"voice": "<string>",
"model": "<string>",
"instructions": "<string>",
"response_format": "<string>",
"speed": 1,
"stream_format": "<string>"
}
headers = {"Content-Type": "application/json"}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {'Content-Type': 'application/json'},
body: JSON.stringify({
input: '<string>',
voice: '<string>',
model: '<string>',
instructions: '<string>',
response_format: '<string>',
speed: 1,
stream_format: '<string>'
})
};
fetch('https://api.example.com/v1/audio/speech', 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.example.com/v1/audio/speech",
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([
'input' => '<string>',
'voice' => '<string>',
'model' => '<string>',
'instructions' => '<string>',
'response_format' => '<string>',
'speed' => 1,
'stream_format' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Content-Type: application/json"
],
]);
$response = curl_exec($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.example.com/v1/audio/speech"
payload := strings.NewReader("{\n \"input\": \"<string>\",\n \"voice\": \"<string>\",\n \"model\": \"<string>\",\n \"instructions\": \"<string>\",\n \"response_format\": \"<string>\",\n \"speed\": 1,\n \"stream_format\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
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.example.com/v1/audio/speech")
.header("Content-Type", "application/json")
.body("{\n \"input\": \"<string>\",\n \"voice\": \"<string>\",\n \"model\": \"<string>\",\n \"instructions\": \"<string>\",\n \"response_format\": \"<string>\",\n \"speed\": 1,\n \"stream_format\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.example.com/v1/audio/speech")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n \"input\": \"<string>\",\n \"voice\": \"<string>\",\n \"model\": \"<string>\",\n \"instructions\": \"<string>\",\n \"response_format\": \"<string>\",\n \"speed\": 1,\n \"stream_format\": \"<string>\"\n}"
response = http.request(request)
puts response.read_body"<string>"{
"detail": [
{
"loc": [
"<string>"
],
"msg": "<string>",
"type": "<string>",
"input": "<unknown>",
"ctx": {}
}
]
}ボディ
application/json
音声合成するテキスト
Maximum string length:
4096VOICEVOXのスタイルID、AI SDKの音声エイリアス、またはOpenAIのボイス名
OpenAI互換のモデル名。Laravel版では互換性のため受け付けます。
OpenAI互換パラメータ。Laravel版では現在使用しません。
Maximum string length:
4096OpenAI互換パラメータ。Laravel版では現在WAV出力固定です。
VOICEVOXのspeedScaleに適用する読み上げ速度
必須範囲:
0.25 <= x <= 4OpenAI互換パラメータ。Laravel版では現在使用しません。
レスポンス
Successful Response
The response is of type file.
最終更新日 2026年5月27日
関連トピック
エンジン API モード:トーク(テキスト音声合成) - VOICEVOX for Laravelエンジン API モード:ソング(歌声音声合成) - VOICEVOX for LaravelFrame Synthesis音声合成する複数まとめて音声合成するこのページは役に立ちましたか?
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