Qwen3 TTS API reference
Open-source speech with tone and pace set in plain words
Call Qwen3 TTS from your own code with one PopNow API key. Below are the exact model IDs to send, every input field the model accepts, what each request costs in credits, and a request you can paste into a terminal.
At a glance
- Made by
- Alibaba
- Output
- Audio
- From
- 10.2 credits per 1,000 characters ($0.102)
- Model IDs
1 credit = $0.01. A task holds the highest possible charge when it is accepted and settles the real amount when it finishes, rounded up to whole credits; failed tasks are not charged. Ask POST /api/v1/jobs/quote for the exact figure before you run.
Text to Speech
alibaba/qwen-3-tts/text-to-speech
Price
| Option | Credits (per 1,000 characters) | US dollars |
|---|---|---|
Default | 10.2 | $0.102 |
Parameters
| Field | Type | Default | Allowed | What it does |
|---|---|---|---|---|
textRequired | string | — | up to 2,000 characters | The words to be spoken, exactly as written. Billed per 1,000 characters, minimum 100. |
voice_idOptional | string | Serena | Serena, Vivian, Uncle_Fu, Dylan, Eric, Ryan, Aiden, Ono_Anna, Sohee | Preset voice. Each has a fixed character. |
instructionsOptional | string | — | up to 1,000 characters | How to read the text: tone, emotion or pace. Not spoken and not billed. |
languageOptional | string | auto | auto, zh, en, de, fr, es, it, pt, ru, ja, ko | Language of the reading. auto detects it from the text. |
Example request
This request runs as it is; any field you leave out uses its default. Put your key in POPNOW_API_KEY first.
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: $(uuidgen)" \
-d '{
"model": "alibaba/qwen-3-tts/text-to-speech",
"input": {
"text": "Hi there! This voice was created with the PopNow API in just a few seconds."
}
}'The response carries a taskId straight away. Read the result with GET /api/v1/jobs/recordInfo, or add callBackUrl to be notified.
curl "https://api.popnow.ai/api/v1/jobs/recordInfo?taskId=TASK_ID_FROM_CREATE_TASK" \
-H "Authorization: Bearer $POPNOW_API_KEY"
