CQTAI
Suno · Music

RemasterNEW

📌 What is thisRe-optimize a song’s audio quality and clarity.
💡 When to useUse when a song’s quality isn’t good enough.

Endpoints

UsageMethodPath
Submit taskPOST/api/cqt/generator/suno
Query ResultGET/api/cqt/info/suno?id={taskId}

Request Parameters

ParamTypeRequiredDescription
taskstringRequiredFixed value: remaster
clipIdstringRequiredID of the clip to remaster
modelNamestringRequiredchirp-carp (V5, recommended) / chirp-bass (V4.5+)

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":"remaster", "clipId":"9fa578f8-deb9-41fd-8eb2-31f31d1ab516", "modelName":"chirp-carp" }'
# -> { "code":200, "data":"<taskId>" }

Response Example

{
  "code": 200,
  "msg": "success",
  "data": {
    "id": "a8093d9b5c064bef8885560aa9f034c5",
    "taskType": "remaster",
    "status": "succeeded",
    "errorMsg": "",
    "param": {
      "task": "remaster",
      "clipId": "9fa578f8-deb9-41fd-8eb2-31f31d1ab516",
      "modelName": "chirp-carp"
    },
    "result": {
      "clips": [
        {
          "id": "bc066df7-d3cd-4632-bf1c-ffa5d0be0c2a",
          "title": "星尘回音 (Remastered)",
          "handle": "mosellesantiagoxfslm",
          "status": "complete",
          "user_id": "9ad4dbdb-9010-4f07-98f1-537b876e3fb9",
          "metadata": {
            "tags": "ambient pop",
            "task": "upsample",
            "type": "upsample",
            "prompt": "[Verse 1] 我关了所有的光 让黑暗漫进窗 …(完整歌词已省略)",
            "duration": 202.92,
            "is_remix": true,
            "edited_clip_id": "9fa578f8-deb9-41fd-8eb2-31f31d1ab516",
            "upsample_clip_id": "9fa578f8-deb9-41fd-8eb2-31f31d1ab516",
            "uses_latest_model": false,
            "can_publish_with_vocal": true
          },
          "audio_url": "https://cdn1.suno.ai/bc066df7-d3cd-4632-bf1c-ffa5d0be0c2a.mp3",
          "image_url": "https://cdn2.suno.ai/image_bc066df7-d3cd-4632-bf1c-ffa5d0be0c2a.jpeg",
          "image_large_url": "https://cdn2.suno.ai/image_large_bc066df7-d3cd-4632-bf1c-ffa5d0be0c2a.jpeg",
          "video_url": "",
          "clip_roots": {
            "clips": [
              {
                "id": "9fa578f8-deb9-41fd-8eb2-31f31d1ab516",
                "title": "星尘回音",
                "image_url": "https://cdn2.suno.ai/image_9fa578f8-deb9-41fd-8eb2-31f31d1ab516.jpeg",
                "user_handle": "mosellesantiagoxfslm",
                "user_display_name": "mosellesantiagoxfslm"
              }
            ],
            "clip_attribution_type": "remix"
          },
          "media_urls": [
            { "url": "https://d2lwuy8qc234o3.cloudfront.net/1/clip/bc066df7-d3cd-4632-bf1c-ffa5d0be0c2a.m4a", "delivery": "progressive", "content_type": "m4a-opus" },
            { "url": "https://cdn1.suno.ai/bc066df7-d3cd-4632-bf1c-ffa5d0be0c2a.mp3", "delivery": "progressive", "content_type": "mp3" }
          ],
          "model_name": "chirp-carp",
          "batch_index": 0,
          "created_at": "2026-07-08T08:18:59.224Z",
          "major_model_version": "v5"
        },
        {
          "id": "2ddcb07c-3c39-4b6a-ade4-6fc29ce37eae",
          "title": "星尘回音 (Remastered)",
          "status": "complete",
          "metadata": {
            "task": "upsample",
            "type": "upsample",
            "duration": 202.92,
            "is_remix": true,
            "upsample_clip_id": "9fa578f8-deb9-41fd-8eb2-31f31d1ab516"
          },
          "audio_url": "https://cdn1.suno.ai/2ddcb07c-3c39-4b6a-ade4-6fc29ce37eae.mp3",
          "image_url": "https://cdn2.suno.ai/image_2ddcb07c-3c39-4b6a-ade4-6fc29ce37eae.jpeg",
          "model_name": "chirp-carp",
          "batch_index": 1,
          "major_model_version": "v5"
        }
      ]
    },
    "createTime": "2026-07-08 16:18:56",
    "completeTime": "2026-07-08 16:19:31"
  }
}

Response Fields

FieldTypeDescription
codenumberStatus code; 200 = success
msgstringMessage
data.idstringTask ID (the taskId returned on submit)
data.taskTypestringTask type; always "remaster"
data.statusstringStatus: pending / succeeded / failed
data.paramobjectEcho of the request params you submitted
data.resultobject⚠ An object (NOT an array); the 2 candidates live under result.clips
data.result.clipsarrayThe remastered clips (2 candidates)
data.result.clips[].idstringThe remastered clip’s clipId
data.result.clips[].titlestringTitle, with a "(Remastered)" suffix
data.result.clips[].audio_urlstringRemastered audio URL (mp3)
data.result.clips[].image_urlstringCover image URL (image_large_url is the large one)
data.result.clips[].statusstringClip status; "complete" = ready to download
data.result.clips[].metadata.task / typestringUnderlying task, both "upsample" (remaster runs via upsample)
data.result.clips[].metadata.upsample_clip_idstringSource clip ID remastered (= the clipId you passed; edited_clip_id is the same)
data.result.clips[].metadata.durationnumberTotal audio duration (seconds)
data.result.clips[].model_namestringModel used for remaster (= the modelName you passed, e.g. chirp-carp)
data.result.clips[].clip_rootsobjectSource song info: title / cover / author
data.result.clips[].media_urlsarrayMulti-format audio URLs (m4a-opus / mp3)
data.createTime / completeTimestringTask submit time / completion time
其它字段action_config / model_badges / secondary_badges / ownership / avatar_image_url, etc. are for Suno UI and can be ignored

Billing & Credits

40 credits (x your user rate). Auto-refunded on failure.