by Alibaba
Low-latency speech for assistants and customer service
- 597 voices
- 10 languages
- Text to Speech
Text to SpeechCall it with the model name alibaba/qwen-audio-3.0-tts-flash/text-to-speech on POST /jobs/createTask, from $0.01425.
Model name
alibaba/qwen-audio-3.0-tts-flash/text-to-speechEndpoint
POST https://api.popnow.ai/api/v1/jobs/createTask# 1. Create the task. Keep the Idempotency-Key if you retry after a network error.
export IDEMPOTENCY_KEY="$(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: $IDEMPOTENCY_KEY" \
-d '{
"model": "alibaba/qwen-audio-3.0-tts-flash/text-to-speech",
"input": {
"text": "Welcome back. Your files finished rendering a minute ago and are ready to download.",
"voice_id": "qwen-audio-3.0-tts-flash-loonglunawang",
"language": "auto"
}
}'
# 2. Copy data.taskId from the response, then poll until state is succeeded, failed, canceled or expired.
TASK_ID="TASK_ID_FROM_RESPONSE"
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$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} ${body.msg}`);
return body.data;
}
const { taskId } = await call("/jobs/createTask", {
method: "POST",
headers: { "Content-Type": "application/json", "Idempotency-Key": crypto.randomUUID() },
body: JSON.stringify({
"model": "alibaba/qwen-audio-3.0-tts-flash/text-to-speech",
"input": {
"text": "Welcome back. Your files finished rendering a minute ago and are ready to download.",
"voice_id": "qwen-audio-3.0-tts-flash-loonglunawang",
"language": "auto"
}
}),
});
// Poll with backoff. A finished task may still be copying files: wait while an asset is pending.
let task;
for (let delay = 2000; ; delay = Math.min(delay * 1.5, 15000)) {
await sleep(delay);
task = await call(`/jobs/recordInfo?taskId=${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-audio-3.0-tts-flash/text-to-speech",
"input": {
"text": "Welcome back. Your files finished rendering a minute ago and are ready to download.",
"voice_id": "qwen-audio-3.0-tts-flash-loonglunawang",
"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"])The input is built from the schema below, so it passes validation as written. Change the prompt and links to your own.
Price
| Option | USD per 1,000 characters |
|---|---|
| Standard | $0.01425 |
Billed in USD · Every option and its price: GET /models/alibaba/qwen-audio-3.0-tts-flash/text-to-speech
Limits
- Text length (characters)
- 10,000
- Voices
- 597
- Languages
- 10
Parameters
These fields come from the same schema we check every request against. Fields that are not listed are rejected.
textstringRequiredThe words to be spoken, exactly as written.
voice_idstringOptionalPick from the available voices.
instructionsstringOptionalHow to read the text: mood, distance from the mic, who’s listening. Not read aloud.
languagestringOptionalThe language of the speech.
speednumberOptionalSpeaking pace.
pitchnumberOptionalRaise or lower the voice. 0 keeps its natural pitch.
volumeintegerOptionalLoudness. 1 is the normal level.
output_formatstringOptionalFile type of the result.
sample_rateintegerOptionalAudio sample rate. Higher sounds clearer and makes bigger files.
bitrateintegerOptionalAudio bitrate. Higher sounds better and makes bigger files.
enable_ssmlbooleanOptionalRead the text as SSML markup, so tags for pauses, pronunciation and volume take effect. When off, tags are read out as plain text.
seedintegerOptionalUse the same seed and settings for more controlled comparisons.
Raw JSON Schema
{
"type": "object",
"required": [
"text"
],
"properties": {
"seed": {
"type": "integer",
"maximum": 65535,
"minimum": 0,
"description": "Random seed for controlled comparisons."
},
"text": {
"type": "string",
"maxLength": 10000,
"minLength": 1,
"description": "The words to speak. Billed per 1,000 characters. Turn on enable_ssml to use SSML tags."
},
"pitch": {
"type": "number",
"default": 1,
"maximum": 2,
"minimum": 0.5,
"description": "Pitch from 0.5 to 2."
},
"speed": {
"type": "number",
"default": 1,
"maximum": 2,
"minimum": 0.5,
"description": "Speaking speed from 0.5 to 2."
},
"volume": {
"type": "integer",
"default": 50,
"maximum": 100,
"minimum": 0,
"description": "Output volume from 0 to 100."
},
"bitrate": {
"enum": [
32000,
64000,
96000,
128000,
192000,
256000
],
"type": "integer",
"description": "Opus bit rate in bits per second. Only applies to opus."
},
"language": {
"enum": [
"auto",
"zh",
"en",
"ja",
"ko",
"fr",
"de",
"pt",
"it",
"vi",
"id"
],
"type": "string",
"default": "auto",
"description": "Reading language hint, or auto to detect it from the text."
},
"voice_id": {
"enum": [
"qwen-audio-3.0-tts-flash-longcanzhuyue",
"qwen-audio-3.0-tts-flash-longrongzhihe",
"qwen-audio-3.0-tts-flash-longlanghongmo",
"qwen-audio-3.0-tts-flash-longfengyueyao",
"qwen-audio-3.0-tts-flash-longxiaoyuyue",
"qwen-audio-3.0-tts-flash-longtongxuxian",
"qwen-audio-3.0-tts-flash-longzhiqingxi",
"qwen-audio-3.0-tts-flash-longlanbaixian",
"qwen-audio-3.0-tts-flash-longyingsongliu",
"qwen-audio-3.0-tts-flash-longzhengyaohe",
"qwen-audio-3.0-tts-flash-longlanyufu",
"qwen-audio-3.0-tts-flash-longnixiulian",
"qwen-audio-3.0-tts-flash-longxilingxuan",
"qwen-audio-3.0-tts-flash-longchengtaohui",
"qwen-audio-3.0-tts-flash-longxinruixuan",
"qwen-audio-3.0-tts-flash-longqinheying",
"qwen-audio-3.0-tts-flash-longxianshuohui",
"qwen-audio-3.0-tts-flash-longliannirong",
"qwen-audio-3.0-tts-flash-longheweican",
"qwen-audio-3.0-tts-flash-longzhishuoke",
"qwen-audio-3.0-tts-flash-longruifengyu",
"qwen-audio-3.0-tts-flash-longluliuche",
"qwen-audio-3.0-tts-flash-longliuxulan",
"qwen-audio-3.0-tts-flash-longjufuhe",
"qwen-audio-3.0-tts-flash-longxiamuyan",
"qwen-audio-3.0-tts-flash-longyuzhihe",
"qwen-audio-3.0-tts-flash-longyaolanshuang",
"qwen-audio-3.0-tts-flash-longsongyibai",
"qwen-audio-3.0-tts-flash-longyanhuilu",
"qwen-audio-3.0-tts-flash-longhuifengyi",
"qwen-audio-3.0-tts-flash-longshuojizhu",
"qwen-audio-3.0-tts-flash-longhuiyanzhu",
"qwen-audio-3.0-tts-flash-longbaixiuyun",
"qwen-audio-3.0-tts-flash-longxiaolanshan",
"qwen-audio-3.0-tts-flash-longyilincan",
"qwen-audio-3.0-tts-flash-longsongyilan",
"qwen-audio-3.0-tts-flash-longhuikeyuan",
"qwen-audio-3.0-tts-flash-longyujunxuan",
"qwen-audio-3.0-tts-flash-longchexini",
"qwen-audio-3.0-tts-flash-longlanlianlan",
"qwen-audio-3.0-tts-flash-longlingtongfu",
"qwen-audio-3.0-tts-flash-longliumolan",
"qwen-audio-3.0-tts-flash-longtongjunfeng",
"qwen-audio-3.0-tts-flash-longquetingqing",
"qwen-audio-3.0-tts-flash-longzhiluyan",
"qwen-audio-3.0-tts-flash-longxizhiyun",
"qwen-audio-3.0-tts-flash-longruiloufeng",
"qwen-audio-3.0-tts-flash-longquanxiangxuan",
"qwen-audio-3.0-tts-flash-longronglinglin",
"qwen-audio-3.0-tts-flash-longqinxinque",
"qwen-audio-3.0-tts-flash-longlinfengni",
"qwen-audio-3.0-tts-flash-longyufengni",
"qwen-audio-3.0-tts-flash-longrongtaolian",
"qwen-audio-3.0-tts-flash-longyanfengying",
"qwen-audio-3.0-tts-flash-longquanqueling",
"qwen-audio-3.0-tts-flash-longxumoxiao",
"qwen-audio-3.0-tts-flash-longtonglinyuan",
"qwen-audio-3.0-tts-flash-longfengyutong",
"qwen-audio-3.0-tts-flash-longhongfuxiu",
"qwen-audio-3.0-tts-flash-longxiannixiao",
"qwen-audio-3.0-tts-flash-longsongtaoxuan",
"qwen-audio-3.0-tts-flash-longmuhongmo",
"qwen-audio-3.0-tts-flash-longyushuangmu",
"qwen-audio-3.0-tts-flash-longyuxiangxi",
"qwen-audio-3.0-tts-flash-longluhuilang",
"qwen-audio-3.0-tts-flash-longfengmeiche",
"qwen-audio-3.0-tts-flash-longshuoxidie",
"qwen-audio-3.0-tts-flash-longfuyingxuan",
"qwen-audio-3.0-tts-flash-longxuanfuluan",
"qwen-audio-3.0-tts-flash-longxiuyulan",
"qwen-audio-3.0-tts-flash-longxiushuoche",
"qwen-audio-3.0-tts-flash-longlianliuxiao",
"qwen-audio-3.0-tts-flash-longlanlurong",
"qwen-audio-3.0-tts-flash-longbaiquemo",
"qwen-audio-3.0-tts-flash-longyanxuyi",
"qwen-audio-3.0-tts-flash-longxinzhenghe",
"qwen-audio-3.0-tts-flash-longzhengxialing",
"qwen-audio-3.0-tts-flash-longyingshuocan",
"qwen-audio-3.0-tts-flash-longlinghuiyan",
"qwen-audio-3.0-tts-flash-longzhuquanwang",
"qwen-audio-3.0-tts-flash-longyimuling",
"qwen-audio-3.0-tts-flash-longlanxuejun",
"qwen-audio-3.0-tts-flash-longlingyingshuo",
"qwen-audio-3.0-tts-flash-longlingxiaolin",
"qwen-audio-3.0-tts-flash-longshanhongyue",
"qwen-audio-3.0-tts-flash-longxianzhenghe",
"qwen-audio-3.0-tts-flash-longlingzhixing",
"qwen-audio-3.0-tts-flash-longlanjunrui",
"qwen-audio-3.0-tts-flash-longxintaofeng",
"qwen-audio-3.0-tts-flash-longluyinglan",
"qwen-audio-3.0-tts-flash-longlanglianyue",
"qwen-audio-3.0-tts-flash-longfushanmu",
"qwen-audio-3.0-tts-flash-longqueyuxiang",
"qwen-audio-3.0-tts-flash-longchengtaolian",
"qwen-audio-3.0-tts-flash-longyuntinglian",
"qwen-audio-3.0-tts-flash-longyuquelu",
"qwen-audio-3.0-tts-flash-longjilinxiao",
"qwen-audio-3.0-tts-flash-longyanchelin",
"qwen-audio-3.0-tts-flash-longlinjinying",
"qwen-audio-3.0-tts-flash-longyaolanxuan",
"qwen-audio-3.0-tts-flash-longzhixingju",
"qwen-audio-3.0-tts-flash-longronglingyan",
"qwen-audio-3.0-tts-flash-longxiudieyi",
"qwen-audio-3.0-tts-flash-longtongxianhong",
"qwen-audio-3.0-tts-flash-longrongjuxu",
"qwen-audio-3.0-tts-flash-longlanzhengyan",
"qwen-audio-3.0-tts-flash-longxiantingfeng",
"qwen-audio-3.0-tts-flash-longmeixiuhe",
"qwen-audio-3.0-tts-flash-longxuanyixiao",
"qwen-audio-3.0-tts-flash-longlanqueyan",
"qwen-audio-3.0-tts-flash-longtingyuanyi",
"qwen-audio-3.0-tts-flash-longhesongrui",
"qwen-audio-3.0-tts-flash-longsonghuiliu",
"qwen-audio-3.0-tts-flash-longlinyuemo",
"qwen-audio-3.0-tts-flash-longyuyingdie",
"qwen-audio-3.0-tts-flash-longxianxinglan",
"qwen-audio-3.0-tts-flash-longchuanyunling",
"qwen-audio-3.0-tts-flash-longdielianxia",
"qwen-audio-3.0-tts-flash-longyuanzhiwei",
"qwen-audio-3.0-tts-flash-longyuehongyan",
"qwen-audio-3.0-tts-flash-longjitongfeng",
"qwen-audio-3.0-tts-flash-longluanxiche",
"qwen-audio-3.0-tts-flash-longxihuiyan",
"qwen-audio-3.0-tts-flash-longfengshuangfu",
"qwen-audio-3.0-tts-flash-longliuxiuke",
"qwen-audio-3.0-tts-flash-longyinglandie",
"qwen-audio-3.0-tts-flash-longlingxingxia",
"qwen-audio-3.0-tts-flash-longlanzhixu",
"qwen-audio-3.0-tts-flash-longlanyuerong",
"qwen-audio-3.0-tts-flash-longshuosongxuan",
"qwen-audio-3.0-tts-flash-longxuanzhuche",
"qwen-audio-3.0-tts-flash-longxianlianyi",
"qwen-audio-3.0-tts-flash-longbaijunzheng",
"qwen-audio-3.0-tts-flash-longtongxingquan",
"qwen-audio-3.0-tts-flash-longyirongzheng",
"qwen-audio-3.0-tts-flash-longshuohuimei",
"qwen-audio-3.0-tts-flash-longluxiaohui",
"qwen-audio-3.0-tts-flash-longshanniting",
"qwen-audio-3.0-tts-flash-longnixiwei",
"qwen-audio-3.0-tts-flash-longcheyanxuan",
"qwen-audio-3.0-tts-flash-longyuelanke",
"qwen-audio-3.0-tts-flash-longliulingfu",
"qwen-audio-3.0-tts-flash-longhuitongyuan",
"qwen-audio-3.0-tts-flash-longyaoxuanzhi",
"qwen-audio-3.0-tts-flash-longjunxinmu",
"qwen-audio-3.0-tts-flash-longlingyilan",
"qwen-audio-3.0-tts-flash-longlingxianxiu",
"qwen-audio-3.0-tts-flash-longlianruimei",
"qwen-audio-3.0-tts-flash-longyumeixia",
"qwen-audio-3.0-tts-flash-longtaoliuhong",
"qwen-audio-3.0-tts-flash-longjixilan",
"qwen-audio-3.0-tts-flash-longqintaoxuan",
"qwen-audio-3.0-tts-flash-longzhengxiaocheng",
"qwen-audio-3.0-tts-flash-longchuanqueyan",
"qwen-audio-3.0-tts-flash-longlianchuanzhu",
"qwen-audio-3.0-tts-flash-longfengyuanquan",
"qwen-audio-3.0-tts-flash-longsongchelin",
"qwen-audio-3.0-tts-flash-longmeixiaolan",
"qwen-audio-3.0-tts-flash-longtingheqing",
"qwen-audio-3.0-tts-flash-longxiyanjun",
"qwen-audio-3.0-tts-flash-longyanhongqin",
"qwen-audio-3.0-tts-flash-longyiliufu",
"qwen-audio-3.0-tts-flash-longbaixuanshan",
"qwen-audio-3.0-tts-flash-longbaiyunlin",
"qwen-audio-3.0-tts-flash-longxuanfengrui",
"qwen-audio-3.0-tts-flash-longweijuquan",
"qwen-audio-3.0-tts-flash-longjunhuixia",
"qwen-audio-3.0-tts-flash-longquemeifeng",
"qwen-audio-3.0-tts-flash-longxianfengwei",
"qwen-audio-3.0-tts-flash-longquexihui",
"qwen-audio-3.0-tts-flash-longyaoruilang",
"qwen-audio-3.0-tts-flash-longlanlangwei",
"qwen-audio-3.0-tts-flash-longyingfengmu",
"qwen-audio-3.0-tts-flash-longyaolinglan",
"qwen-audio-3.0-tts-flash-longkexuanzheng",
"qwen-audio-3.0-tts-flash-longyuelinwang",
"qwen-audio-3.0-tts-flash-longtaotingyu",
"qwen-audio-3.0-tts-flash-longxianyuanmei",
"qwen-audio-3.0-tts-flash-longhuibaijun",
"qwen-audio-3.0-tts-flash-longlinglinyao",
"qwen-audio-3.0-tts-flash-longfengmeihui",
"qwen-audio-3.0-tts-flash-longlantongxuan",
"qwen-audio-3.0-tts-flash-longdiechuanling",
"qwen-audio-3.0-tts-flash-longlingjuhong",
"qwen-audio-3.0-tts-flash-longyunjinji",
"qwen-audio-3.0-tts-flash-longsongqinglian",
"qwen-audio-3.0-tts-flash-longyuelinglan",
"qwen-audio-3.0-tts-flash-longxiuketao",
"qwen-audio-3.0-tts-flash-longchenghongrui",
"qwen-audio-3.0-tts-flash-longxueyuxia",
"qwen-audio-3.0-tts-flash-longhongxinxu",
"qwen-audio-3.0-tts-flash-longfenglanxiao",
"qwen-audio-3.0-tts-flash-longqinqueyi",
"qwen-audio-3.0-tts-flash-longquanlingfu",
"qwen-audio-3.0-tts-flash-longxuxiyue",
"qwen-audio-3.0-tts-flash-longmofengshuo",
"qwen-audio-3.0-tts-flash-longyishuojin",
"qwen-audio-3.0-tts-flash-longqueqinlan",
"qwen-audio-3.0-tts-flash-longquetongwang",
"qwen-audio-3.0-tts-flash-longxuekeyu",
"qwen-audio-3.0-tts-flash-longyiqueju",
"qwen-audio-3.0-tts-flash-longcheshuofeng",
"qwen-audio-3.0-tts-flash-longlanmuju",
"qwen-audio-3.0-tts-flash-longcanlianxiu",
"qwen-audio-3.0-tts-flash-longcanyanwang",
"qwen-audio-3.0-tts-flash-longlinxinghong",
"qwen-audio-3.0-tts-flash-longchengxuanxian",
"qwen-audio-3.0-tts-flash-longyuxialan",
"qwen-audio-3.0-tts-flash-longruiyuling",
"qwen-audio-3.0-tts-flash-longyiqinhui",
"qwen-audio-3.0-tts-flash-longquefengmu",
"qwen-audio-3.0-tts-flash-longyaoxuanke",
"qwen-audio-3.0-tts-flash-longshanxinglan",
"qwen-audio-3.0-tts-flash-longyixiaowei",
"qwen-audio-3.0-tts-flash-longlianchuanxuan",
"qwen-audio-3.0-tts-flash-longzhufengquan",
"qwen-audio-3.0-tts-flash-longlangjiluan",
"qwen-audio-3.0-tts-flash-longyuyaoluan",
"qwen-audio-3.0-tts-flash-longlianmeixiu",
"qwen-audio-3.0-tts-flash-longmuhecan",
"qwen-audio-3.0-tts-flash-longlangruiling",
"qwen-audio-3.0-tts-flash-longyanzhihui",
"qwen-audio-3.0-tts-flash-longxianlinxu",
"qwen-audio-3.0-tts-flash-longhexuefeng",
"qwen-audio-3.0-tts-flash-longzhuqinxuan",
"qwen-audio-3.0-tts-flash-longhongxiuyi",
"qwen-audio-3.0-tts-flash-longxixiani",
"qwen-audio-3.0-tts-flash-longxuqinyuan",
"qwen-audio-3.0-tts-flash-longyingfengwang",
"qwen-audio-3.0-tts-flash-longquexuanyu",
"qwen-audio-3.0-tts-flash-longmohuiling",
"qwen-audio-3.0-tts-flash-longyingtaomei",
"qwen-audio-3.0-tts-flash-longyaoxinliu",
"qwen-audio-3.0-tts-flash-longshuangyuerong",
"qwen-audio-3.0-tts-flash-longlulanling",
"qwen-audio-3.0-tts-flash-longruiyueju",
"qwen-audio-3.0-tts-flash-longyingjulan",
"qwen-audio-3.0-tts-flash-longshanzhuxin",
"qwen-audio-3.0-tts-flash-longlanxiaoling",
"qwen-audio-3.0-tts-flash-longxikexing",
"qwen-audio-3.0-tts-flash-longshuanglanhong",
"qwen-audio-3.0-tts-flash-longxialuling",
"qwen-audio-3.0-tts-flash-longxiangxizheng",
"qwen-audio-3.0-tts-flash-longyanxueni",
"qwen-audio-3.0-tts-flash-longxiuhuiyue",
"qwen-audio-3.0-tts-flash-longfengyanshuo",
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"qwen-audio-3.0-tts-flash-longyujulu",
"qwen-audio-3.0-tts-flash-longshuocanmu",
"qwen-audio-3.0-tts-flash-longhehuiyi",
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"qwen-audio-3.0-tts-flash-longyuyanxuan",
"qwen-audio-3.0-tts-flash-longsongshuoling",
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"qwen-audio-3.0-tts-flash-longlanxiaoyu",
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"qwen-audio-3.0-tts-flash-longjishuangjin",
"qwen-audio-3.0-tts-flash-longlingzhengcheng",
"qwen-audio-3.0-tts-flash-longsongxinchuan",
"qwen-audio-3.0-tts-flash-longlanxiaoyi",
"qwen-audio-3.0-tts-flash-longchengzhiyan",
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"qwen-audio-3.0-tts-flash-longfengweixian",
"qwen-audio-3.0-tts-flash-longyanlanyun",
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"qwen-audio-3.0-tts-flash-longhongcanyue",
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"qwen-audio-3.0-tts-flash-longyijunji",
"qwen-audio-3.0-tts-flash-longshuangsongbai",
"qwen-audio-3.0-tts-flash-longlangxiwei",
"qwen-audio-3.0-tts-flash-longyuanyuque",
"qwen-audio-3.0-tts-flash-longliulanxiang",
"qwen-audio-3.0-tts-flash-longquezhujin",
"qwen-audio-3.0-tts-flash-longyixuanjun",
"qwen-audio-3.0-tts-flash-longluanhuiyu",
"qwen-audio-3.0-tts-flash-longlinliuhe",
"qwen-audio-3.0-tts-flash-longxuankemei",
"qwen-audio-3.0-tts-flash-longxiaqueshan",
"qwen-audio-3.0-tts-flash-longlianhuirui",
"qwen-audio-3.0-tts-flash-longquanluanhong",
"qwen-audio-3.0-tts-flash-longxingxiuquan",
"qwen-audio-3.0-tts-flash-longchengyanfeng",
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"qwen-audio-3.0-tts-flash-longtongshuoxiu",
"qwen-audio-3.0-tts-flash-longyaoquezheng",
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"qwen-audio-3.0-tts-flash-longyixiangtao",
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"qwen-audio-3.0-tts-flash-longxuanzhengju",
"qwen-audio-3.0-tts-flash-longshanyusong",
"qwen-audio-3.0-tts-flash-longshanyilan",
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"qwen-audio-3.0-tts-flash-longyiyusong",
"qwen-audio-3.0-tts-flash-longlingqueyi",
"qwen-audio-3.0-tts-flash-longxiyuling",
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"qwen-audio-3.0-tts-flash-longyijinquan",
"qwen-audio-3.0-tts-flash-longyanhuixiao",
"qwen-audio-3.0-tts-flash-longmulinghong",
"qwen-audio-3.0-tts-flash-longchengxutao",
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"qwen-audio-3.0-tts-flash-longlanqinluan",
"qwen-audio-3.0-tts-flash-longxiaoyulan",
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"qwen-audio-3.0-tts-flash-longxuefenghe",
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"qwen-audio-3.0-tts-flash-longkeyanyu",
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"qwen-audio-3.0-tts-flash-longlingxingyi",
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"qwen-audio-3.0-tts-flash-loongalexanderhu",
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"qwen-audio-3.0-tts-flash-longyingshiyu",
"qwen-audio-3.0-tts-flash-longyinghaitai",
"qwen-audio-3.0-tts-flash-longyinghaiyuan",
"qwen-audio-3.0-tts-flash-longyingwumao"
],
"type": "string",
"default": "qwen-audio-3.0-tts-flash-loonglunawang",
"description": "Preset voice for this model."
},
"enable_ssml": {
"type": "boolean",
"default": false,
"description": "Read text as SSML markup."
},
"sample_rate": {
"enum": [
8000,
12000,
16000,
22050,
24000,
44100,
48000
],
"type": "integer",
"default": 24000,
"description": "Sample rate in Hz."
},
"instructions": {
"type": "string",
"maxLength": 1000,
"description": "How to read the text: emotion, tone, persona, pace or dialect. Not spoken and not billed."
},
"output_format": {
"enum": [
"mp3",
"wav",
"pcm",
"opus"
],
"type": "string",
"default": "mp3",
"description": "Audio encoding. pcm is raw 16-bit audio without a file header."
}
},
"additionalProperties": false
}Responses, polling and callbacks
Every model works the same way: create a task, then poll it or wait for a callback.
Price it first
curl -X POST https://api.popnow.ai/api/v1/jobs/quote \
-H "Authorization: Bearer $POPNOW_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "alibaba/qwen-audio-3.0-tts-flash/text-to-speech",
"input": {
"text": "Welcome back. Your files finished rendering a minute ago and are ready to download.",
"voice_id": "qwen-audio-3.0-tts-flash-loonglunawang",
"language": "auto"
}
}'Send the same request body to POST /jobs/quote to see the estimated and maximum USD charge before running. A quote does not run the task or charge your balance.
Accepted
HTTP/1.1 202 Accepted
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"state": "queued"
},
"request_id": "req_example_create"
}HTTP 202 means accepted: the maximum USD amount is held until settlement. When a task is accepted, we reserve the maximum quoted amount from your API balance. On completion, we charge for actual usage, never more than the hold, and release the remainder. If the task fails, the hold is released.
Check status
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=$TASK_ID" \
-H "Authorization: Bearer $POPNOW_API_KEY"Poll every few seconds with backoff and stop once state is succeeded, failed, canceled or expired.
Finished task
{
"code": 200,
"msg": "success",
"data": {
"taskId": "task_01k3m8x9q2z4v7n5p6r8s0t1w3",
"model": "alibaba/qwen-audio-3.0-tts-flash/text-to-speech",
"state": "succeeded",
"output": {
"assets": [
{
"url": "https://cdn.popnow.ai/tasks/task_01k3m8x9q2z4v7n5p6r8s0t1w3/output.mp3?signature=FROM_RESPONSE",
"expiresAt": "2026-10-17T12:20:00Z",
"mime": "audio/mpeg",
"durationSeconds": 30
}
]
},
"settled": true
},
"request_id": "req_example_record"
}Download from url before expiresAt. Need a fresh link later? Ask POST /common/download-url.
Verify a callback
import { createHash, createHmac, timingSafeEqual } from "node:crypto";
import express from "express";
const app = express();
// express.raw keeps the exact bytes that were signed; express.json would not match.
app.post("/hooks/popnow", express.raw({ type: "application/json" }), (req, res) => {
const timestamp = req.header("X-Webhook-Timestamp");
const signature = req.header("X-Webhook-Signature") ?? "";
const body = JSON.parse(req.body.toString("utf8"));
const taskId = body.data?.taskId ?? body.task_id;
const digest = createHash("sha256").update(req.body).digest("hex");
const expected = createHmac("sha256", process.env.POPNOW_WEBHOOK_SECRET)
.update(`${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
});With callBackUrl set, we post the finished task to you. Check the signature against the raw body before you trust it.
Send a local file
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.Public https links work as they are. Local files go through upload-url and commit first.