Suno · Music
Adjust SpeedNEW
📌 What is this：Speed up or slow down audio.
💡 When to use：Use to make a song faster or slower.
Endpoints
| Usage | Method | Path |
|---|---|---|
| Submit task | POST | /api/cqt/generator/suno |
| Query Result | GET | /api/cqt/info/suno?id={taskId} |
Request Parameters
| Param | Type | Required | Description |
|---|---|---|---|
| task | string | Required | Fixed value: adjustSpeed |
| clipId | string | Required | Source clip ID |
| speedMultiplier | number | Required | Speed multiplier, 0.25-4.0 (1.0 = original) |
| keepPitch | bool | — | Keep original pitch (true recommended) |
| title | string | — | New title (optional) |
Request Example
curl -X POST https://api.cqtai.com/api/cqt/generator/suno \
-H 'Authorization: Bearer <API_KEY>' \
-H 'Content-Type: application/json' \
-d '{ "task":"adjustSpeed", "clipId":"7ee2469e-4e94-4cbc-95c5-690a69191879", "speedMultiplier":1.25 }'
# -> { "code":200, "data":"<taskId>" }Response Example
{
"code": 200,
"msg": "success",
"data": {
"id": "2c2ad0224a414a89817e4d7f97764dc9",
"taskType": "adjustSpeed",
"status": "succeeded",
"errorMsg": "",
"param": {
"task": "adjustSpeed",
"clipId": "7ee2469e-4e94-4cbc-95c5-690a69191879",
"speedMultiplier": 1.25
},
"result": {
"clip": {
"id": "ad655696-0c2a-4a85-962c-3a24aff71aef",
"title": "Słodka rapsodia (Remix)",
"handle": "mosellesantiagoxfslm",
"status": "complete",
"user_id": "9ad4dbdb-9010-4f07-98f1-537b876e3fb9",
"metadata": {
"tags": "male, Spokojna ballada … （风格描述已省略）",
"type": "edit_speed",
"prompt": "Ciężko dzisiaj harowałem, … （完整歌词已省略）",
"duration": 219.65,
"is_remix": true,
"has_vocal": false,
"speed_clip_id": "7ee2469e-4e94-4cbc-95c5-690a69191879",
"uses_latest_model": false,
"can_publish_with_vocal": false
},
"audio_url": "https://cdn1.suno.ai/ad655696-0c2a-4a85-962c-3a24aff71aef.mp3",
"image_url": "https://cdn2.suno.ai/image_7ee2469e-4e94-4cbc-95c5-690a69191879.jpeg",
"image_large_url": "https://cdn2.suno.ai/image_large_7ee2469e-4e94-4cbc-95c5-690a69191879.jpeg",
"video_url": "",
"media_urls": [
{ "url": "https://d2lwuy8qc234o3.cloudfront.net/1/clip/ad655696-0c2a-4a85-962c-3a24aff71aef.m4a", "delivery": "progressive", "content_type": "m4a-opus" },
{ "url": "https://cdn1.suno.ai/ad655696-0c2a-4a85-962c-3a24aff71aef.mp3", "delivery": "progressive", "content_type": "mp3" }
],
"model_name": "chirp-auk",
"batch_index": 0,
"created_at": "2026-07-08T09:10:02.264Z",
"major_model_version": "v4.5-all"
}
},
"createTime": "2026-07-08 17:10:01",
"completeTime": "2026-07-08 17:10:26"
}
}Response Fields
| Field | Type | Description |
|---|---|---|
| code | number | Status code; 200 = success |
| msg | string | Message |
| data.id | string | Task ID (the taskId returned on submit) |
| data.taskType | string | Task type; always "adjustSpeed" |
| data.status | string | Status: pending / succeeded / failed |
| data.param | object | Echo of the request params you submitted |
| data.result | object | ⚠ An object; the single result lives under result.clip (not an array) |
| data.result.clip.id | string | The speed-adjusted clip’s clipId |
| data.result.clip.title | string | Title, with a "(Remix)" suffix |
| data.result.clip.audio_url | string | Speed-adjusted audio URL (mp3) |
| data.result.clip.image_url | string | Cover image URL (image_large_url is the large one) |
| data.result.clip.status | string | Clip status; "complete" = ready to download |
| data.result.clip.metadata.type | string | Underlying type: edit_speed |
| data.result.clip.metadata.speed_clip_id | string | Source clip ID that was sped up/down (= the clipId you passed) |
| data.result.clip.metadata.duration | number | Total duration after speed change (seconds) |
| data.result.clip.media_urls | array | Multi-format audio URLs (m4a-opus / mp3) |
| data.result.clip.major_model_version | string | Model version, e.g. v4.5-all |
| data.createTime / completeTime | string | Task submit time / completion time |
| 其它字段 | — | action_config / model_badges / avatar_image_url, etc. are for Suno UI and can be ignored |
Billing & Credits
2 credits (x your user rate). Auto-refunded on failure.