Qwen3 TTS API
da AlibabaFala de código aberto com tom e ritmo em palavras simples
- 9 vozes
- 10 idiomas
- Texto para fala
Chame com o nome de modelo alibaba/qwen-3-tts/text-to-speech em POST /jobs/createTask, a partir de 11 créditos a cada 1.000 caracteres (US$ 0,11). Contas novas ganham 30 créditos grátis para você testar primeiro no Playground.
alibaba/qwen-3-tts/text-to-speechPOST https://api.popnow.ai/api/v1/jobs/createTask# 1. Create the task. Keep the Idempotency-Key if you retry after a network error.
export IDEMPOTENCY_KEY="$(uuidgen)"
curl -X POST https://api.popnow.ai/api/v1/jobs/createTask \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-H "Idempotency-Key: $IDEMPOTENCY_KEY" \
-d '{
"model": "alibaba/qwen-3-tts/text-to-speech",
"input": {
"text": "Welcome back. Your files finished rendering a minute ago and are ready to download.",
"voice_id": "Serena",
"language": "auto"
}
}'
# 2. Copy data.taskId from the response, then poll until state is succeeded, failed, canceled or expired.
TASK_ID="TASK_ID_FROM_RESPONSE"
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"// Node 18+ (or any runtime with fetch). Keep the API key on your server.
const BASE = "https://api.popnow.ai/api/v1";
const headers = { Authorization: `Bearer ${process.env.POPNOW_API_KEY}` };
const sleep = (ms) => new Promise((r) => setTimeout(r, ms));
async function call(path, init = {}) {
const res = await fetch(BASE + path, { ...init, headers: { ...headers, ...init.headers } });
const body = await res.json();
if (body.code !== 200) throw new Error(`${body.code} ${body.msg}`);
return body.data;
}
const { taskId } = await call("/jobs/createTask", {
method: "POST",
headers: { "Content-Type": "application/json", "Idempotency-Key": crypto.randomUUID() },
body: JSON.stringify({
"model": "alibaba/qwen-3-tts/text-to-speech",
"input": {
"text": "Welcome back. Your files finished rendering a minute ago and are ready to download.",
"voice_id": "Serena",
"language": "auto"
}
}),
});
// Poll with backoff. A finished task may still be copying files: wait while an asset is pending.
let task;
for (let delay = 2000; ; delay = Math.min(delay * 1.5, 15000)) {
await sleep(delay);
task = await call(`/jobs/recordInfo?taskId=${taskId}`);
const copying = (task.output?.assets ?? []).some((a) => a.pending && !a.unavailable);
if (["succeeded", "failed", "canceled", "expired"].includes(task.state) && !copying) break;
}
if (task.state !== "succeeded") throw new Error(`${task.state}: ${task.errorMessage ?? "no detail"}`);
// Each asset has a signed url (no API key needed) that expires at expiresAt: save the file.
for (const asset of task.output.assets) console.log(asset.url);import os, time, uuid, requests
BASE = "https://api.popnow.ai/api/v1"
HEADERS = {"Authorization": f"Bearer {os.environ['POPNOW_API_KEY']}"}
def call(method, path, **kwargs):
body = requests.request(method, BASE + path, headers={**HEADERS, **kwargs.pop("headers", {})}, timeout=30, **kwargs).json()
if body["code"] != 200:
raise RuntimeError(f'{body["code"]} {body["msg"]}')
return body["data"]
task_id = call(
"POST",
"/jobs/createTask",
headers={"Idempotency-Key": str(uuid.uuid4())}, # reuse it if you retry
json={
"model": "alibaba/qwen-3-tts/text-to-speech",
"input": {
"text": "Welcome back. Your files finished rendering a minute ago and are ready to download.",
"voice_id": "Serena",
"language": "auto"
}
},
)["taskId"]
# Poll with backoff. A finished task may still be copying files: wait while an asset is pending.
delay = 2.0
while True:
time.sleep(delay)
task = call("GET", "/jobs/recordInfo", params={"taskId": task_id})
assets = (task.get("output") or {}).get("assets") or []
copying = any(a.get("pending") and not a.get("unavailable") for a in assets)
if task["state"] in ("succeeded", "failed", "canceled", "expired") and not copying:
break
delay = min(delay * 1.5, 15.0)
if task["state"] != "succeeded":
raise RuntimeError(f'{task["state"]}: {task.get("errorMessage", "no detail")}')
# Each asset has a signed url (no API key needed) that expires at expiresAt: save the file.
for asset in assets:
print(asset["url"])O input é montado a partir do schema abaixo, então passa na validação como está. Troque o prompt e os links pelos seus.
Preço
| Opção | Créditos a cada 1.000 caracteres | ≈ USD |
|---|---|---|
| Padrão | 10,2 | US$ 0,10 |
1 crédito = US$ 0,01 · Todas as opções e preços: GET /models/alibaba/qwen-3-tts/text-to-speech
Cada tarefa é arredondada para cima em créditos inteiros, então uma execução no nível mais baixo custa 11 créditos a cada 1.000 caracteres (US$ 0,11).
Limites
- Tamanho do texto (caracteres)
- 2,000
- Vozes
- 9
- Idiomas
- 10
Parâmetros
Estes campos vêm do mesmo schema que usamos para validar cada requisição. Campos que não estão na lista são rejeitados.
textstringObrigatórioThe words to be spoken, exactly as written. Billed per 1,000 characters, minimum 100.
voice_idstringOpcionalEscolha entre as vozes disponíveis.
instructionsstringOpcionalHow to read the text: tone, emotion or pace. Not spoken and not billed.
languagestringOpcionalO idioma da fala.
JSON Schema bruto
{
"type": "object",
"required": [
"text"
],
"properties": {
"text": {
"type": "string",
"maxLength": 2000,
"minLength": 1,
"description": "The words to be spoken, exactly as written. Billed per 1,000 characters, minimum 100."
},
"language": {
"enum": [
"auto",
"zh",
"en",
"de",
"fr",
"es",
"it",
"pt",
"ru",
"ja",
"ko"
],
"type": "string",
"default": "auto",
"description": "Language of the reading. auto detects it from the text."
},
"voice_id": {
"enum": [
"Serena",
"Vivian",
"Uncle_Fu",
"Dylan",
"Eric",
"Ryan",
"Aiden",
"Ono_Anna",
"Sohee"
],
"type": "string",
"default": "Serena",
"description": "Preset voice. Each has a fixed character."
},
"instructions": {
"type": "string",
"maxLength": 1000,
"description": "How to read the text: tone, emotion or pace. Not spoken and not billed."
}
},
"additionalProperties": false
}Respostas, consultas e callbacks
Todos os modelos funcionam do mesmo jeito: crie uma tarefa e depois consulte ou espere o callback.
Veja o preço antes
curl -X POST https://api.popnow.ai/api/v1/jobs/quote \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "alibaba/qwen-3-tts/text-to-speech",
"input": {
"text": "Welcome back. Your files finished rendering a minute ago and are ready to download.",
"voice_id": "Serena",
"language": "auto"
}
}'Mesmo corpo do createTask. Retorna a cobrança esperada e a máxima possível, sem rodar nada.
Aceita
HTTP/1.1 202 Accepted
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"state": "queued"
},
"request_id": "req_example_create"
}HTTP 202 quer dizer que a tarefa foi aceita e os créditos estão reservados, ainda não cobrados. A cobrança final nunca passa da reserva.
Consultar status
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"Consulte a cada poucos segundos, espaçando cada vez mais, e pare quando state for succeeded, failed, canceled ou expired.
Tarefa pronta
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"model": "alibaba/qwen-3-tts/text-to-speech",
"state": "succeeded",
"output": {
"assets": [
{
"url": "https://cdn.popnow.ai/tasks/task_01k3m8x9q2z4v7n5p6r8s0t1w3/output.mp3?signature=FROM_RESPONSE",
"expiresAt": "2026-10-17T12:20:00Z",
"mime": "audio/mpeg",
"durationSeconds": 30
}
]
},
"settled": true
},
"request_id": "req_example_record"
}Baixe pela url antes de expiresAt. Precisa de um link novo depois? Peça com POST /common/download-url.
Verificar um callback
import { createHash, createHmac, timingSafeEqual } from "node:crypto";
import express from "express";
const app = express();
// express.raw keeps the exact bytes that were signed; express.json would not match.
app.post("/hooks/popnow", express.raw({ type: "application/json" }), (req, res) => {
const timestamp = req.header("X-Webhook-Timestamp");
const signature = req.header("X-Webhook-Signature") ?? "";
const body = JSON.parse(req.body.toString("utf8"));
const taskId = body.data?.taskId ?? body.task_id;
const digest = createHash("sha256").update(req.body).digest("hex");
const expected = createHmac("sha256", process.env.POPNOW_WEBHOOK_SECRET)
.update(`${taskId}.${timestamp}.${digest}`)
.digest("base64");
const ok = expected.length === signature.length && timingSafeEqual(Buffer.from(expected), Buffer.from(signature));
// Check the signature first, then reject anything older than five minutes.
if (!ok || Math.abs(Date.now() / 1000 - Number(timestamp)) > 300) return res.status(401).end();
res.status(200).end(); // answer fast, then fetch the task and store its files
});Com callBackUrl definida, enviamos a tarefa pronta para você. Confira a assinatura no corpo bruto antes de confiar nela.
Enviar um arquivo local
curl -X POST https://api.popnow.ai/api/v1/common/upload-url \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-d '{"contentType": "image/png", "bytes": 482113}'
# PUT the file bytes to data.uploadUrl with every header in data.headers, then commit it:
curl -X POST https://api.popnow.ai/api/v1/files/$FILE_ID/commit \
-H "Authorization: Bearer $POPNOW_API_KEY"
# The commit returns a popnow://f/... reference. Put it in any image, video or
# audio field of the task input instead of a public https URL.Links https públicos funcionam como estão. Arquivos locais passam antes por upload-url e commit.