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POST
/
v1
/
music
/
generations
curl --request POST \
  --url https://api.apimart.ai/v1/music/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "flowmusic",
    "title": "My Song",
    "sound_prompt": "upbeat pop music with piano",
    "bpm": "120",
    "length": 60
  }'
import requests

url = "https://api.apimart.ai/v1/music/generations"

payload = {
    "model": "flowmusic",
    "title": "My Song",
    "sound_prompt": "upbeat pop music with piano",
    "bpm": "120",
    "length": 60
}

headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
const url = "https://api.apimart.ai/v1/music/generations";

const payload = {
  model: "flowmusic",
  title: "My Song",
  sound_prompt: "upbeat pop music with piano",
  bpm: "120",
  length: 60
};

const headers = {
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
};

fetch(url, {
  method: "POST",
  headers: headers,
  body: JSON.stringify(payload)
})
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));
{
  "code": 200,
  "data": [
    {
      "status": "submitted",
      "task_id": "task_01K8AYYM6R03TGZ3Q2P0TZVNPX"
    }
  ]
}
{
  "error": {
    "message": "sound_prompt and lyrics cannot both be empty",
    "type": "invalid_request",
    "param": "",
    "code": "invalid_request"
  }
}
{
  "error": {
    "message": "余额不足",
    "type": "invalid_request",
    "param": "",
    "code": "quota_not_enough"
  }
}
{
  "error": {
    "message": "当前分组容量饱和,请稍后重试",
    "type": "rate_limit_error",
    "param": "",
    "code": "rate_limit_error"
  }
}
curl --request POST \
  --url https://api.apimart.ai/v1/music/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model": "flowmusic",
    "title": "My Song",
    "sound_prompt": "upbeat pop music with piano",
    "bpm": "120",
    "length": 60
  }'
import requests

url = "https://api.apimart.ai/v1/music/generations"

payload = {
    "model": "flowmusic",
    "title": "My Song",
    "sound_prompt": "upbeat pop music with piano",
    "bpm": "120",
    "length": 60
}

headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.json())
const url = "https://api.apimart.ai/v1/music/generations";

const payload = {
  model: "flowmusic",
  title: "My Song",
  sound_prompt: "upbeat pop music with piano",
  bpm: "120",
  length: 60
};

const headers = {
  "Authorization": "Bearer <token>",
  "Content-Type": "application/json"
};

fetch(url, {
  method: "POST",
  headers: headers,
  body: JSON.stringify(payload)
})
  .then(response => response.json())
  .then(data => console.log(data))
  .catch(error => console.error('Error:', error));
{
  "code": 200,
  "data": [
    {
      "status": "submitted",
      "task_id": "task_01K8AYYM6R03TGZ3Q2P0TZVNPX"
    }
  ]
}
{
  "error": {
    "message": "sound_prompt and lyrics cannot both be empty",
    "type": "invalid_request",
    "param": "",
    "code": "invalid_request"
  }
}
{
  "error": {
    "message": "余额不足",
    "type": "invalid_request",
    "param": "",
    "code": "quota_not_enough"
  }
}
{
  "error": {
    "message": "当前分组容量饱和,请稍后重试",
    "type": "rate_limit_error",
    "param": "",
    "code": "rate_limit_error"
  }
}

认证

Authorization
string
必填
所有接口均需要使用 Bearer Token 进行认证获取 API Key:访问 API Key 管理页面 获取您的 API Key使用时在请求头中添加:
Authorization: Bearer YOUR_API_KEY

请求参数

model
string
必填
模型名称,固定传 "flowmusic"(大小写不敏感)
sound_prompt
string
音乐风格或声音描述提示词示例:"upbeat pop music with piano"
sound_promptlyrics 不可同时为空(至少传一个)。每次请求仅生成一首音乐。
lyrics
string
歌词文本,可先用生成歌词接口获得后回填示例:"[Verse 1]\n黑夜再长也会天亮\n..."
title
string
生成音乐标题
bpm
string
BPM(每分钟节拍数),必须 ≥ 1示例:"120"
length
integer
生成时长(秒)支持范围:1 ~ 240
seed
string
随机种子,用于复现结果
相同的请求下传相同的 seed 值,会生成类似的结果,但不保证完全一致。

响应

code
integer
响应状态码,成功时为 200
data
array
返回数据数组

使用场景

场景 1:纯风格提示词生成

{
  "model": "flowmusic",
  "title": "My Song",
  "sound_prompt": "upbeat pop music with piano",
  "bpm": "120",
  "length": 60
}

场景 2:歌词 + 风格成曲

{
  "model": "flowmusic",
  "title": "坚持",
  "lyrics": "[Verse 1]\n黑夜再长也会天亮\n...",
  "sound_prompt": "energetic rock with electric guitar",
  "length": 120
}
查询任务结果音乐生成为异步任务,提交后会返回 task_id。使用 获取任务状态 接口查询生成进度和结果。

任务完成结果示例

查询返回示例GET /v1/music/tasks/{task_id}):
{
  "code": 200,
  "data": {
    "id": "task_01KWXVB61E28THHFBSYXWA4FAJ",
    "status": "completed",
    "progress": 100,
    "created": 1783413184,
    "completed": 1783413236,
    "actual_time": 52,
    "cost": 0.048,
    "credits_cost": 0.48,
    "result": {
      "music": [
        {
          "clip_id": "a41aade4-993e-4d28-b56f-d97e7ef7167c",
          "title": "Regression Song",
          "duration_seconds": "181.70666667",
          "create_time": "2026-07-07T08:33:32.854073Z",
          "lyrics": "[Verse 1]\nWaking up to the morning light,\n...",
          "lyrics_id": "c302d603-81b6-552f-8122-e512928d6aa1",
          "lyrics_timing_markers": [[10, 12], [212, 36]],
          "audio_url": "https://cdn.apimart.ai/audio/flowmusic_a41aade4.m4a",
          "wav_url": "https://cdn.apimart.ai/audio/flowmusic_a41aade4.wav",
          "image_url": "https://cdn.apimart.ai/image/flowmusic_a41aade4_cover.jpg"
        }
      ]
    }
  }
}