curl --request POST \
--url https://api.apimart.ai/v1/music/generations/downloadAudioFlowMusic \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"model": "flowmusic",
"clip_id": "abc123-def456",
"format": "wav"
}'
import requests
url = "https://api.apimart.ai/v1/music/generations/downloadAudioFlowMusic"
payload = {
"model": "flowmusic",
"clip_id": "abc123-def456",
"format": "wav"
}
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/downloadAudioFlowMusic";
const payload = {
model: "flowmusic",
clip_id: "abc123-def456",
format: "wav"
};
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_01KWXVD3FPYYQPJ2N87XXE5NQG"
}
]
}
{
"error": {
"message": "format must be one of: wav, mp3",
"type": "invalid_request",
"param": "",
"code": "invalid_request"
}
}
{
"error": {
"message": "Insufficient balance",
"type": "invalid_request",
"param": "",
"code": "quota_not_enough"
}
}
{
"error": {
"message": "Current group capacity is saturated, please retry later",
"type": "rate_limit_error",
"param": "",
"code": "rate_limit_error"
}
}
Flow Music
Download Audio
Flow Music exports a clip as an audio file in the specified format (wav / mp3)
POST
/
v1
/
music
/
generations
/
downloadAudioFlowMusic
curl --request POST \
--url https://api.apimart.ai/v1/music/generations/downloadAudioFlowMusic \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"model": "flowmusic",
"clip_id": "abc123-def456",
"format": "wav"
}'
import requests
url = "https://api.apimart.ai/v1/music/generations/downloadAudioFlowMusic"
payload = {
"model": "flowmusic",
"clip_id": "abc123-def456",
"format": "wav"
}
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/downloadAudioFlowMusic";
const payload = {
model: "flowmusic",
clip_id: "abc123-def456",
format: "wav"
};
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_01KWXVD3FPYYQPJ2N87XXE5NQG"
}
]
}
{
"error": {
"message": "format must be one of: wav, mp3",
"type": "invalid_request",
"param": "",
"code": "invalid_request"
}
}
{
"error": {
"message": "Insufficient balance",
"type": "invalid_request",
"param": "",
"code": "quota_not_enough"
}
}
{
"error": {
"message": "Current group capacity is saturated, please retry later",
"type": "rate_limit_error",
"param": "",
"code": "rate_limit_error"
}
}
curl --request POST \
--url https://api.apimart.ai/v1/music/generations/downloadAudioFlowMusic \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"model": "flowmusic",
"clip_id": "abc123-def456",
"format": "wav"
}'
import requests
url = "https://api.apimart.ai/v1/music/generations/downloadAudioFlowMusic"
payload = {
"model": "flowmusic",
"clip_id": "abc123-def456",
"format": "wav"
}
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/downloadAudioFlowMusic";
const payload = {
model: "flowmusic",
clip_id: "abc123-def456",
format: "wav"
};
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_01KWXVD3FPYYQPJ2N87XXE5NQG"
}
]
}
{
"error": {
"message": "format must be one of: wav, mp3",
"type": "invalid_request",
"param": "",
"code": "invalid_request"
}
}
{
"error": {
"message": "Insufficient balance",
"type": "invalid_request",
"param": "",
"code": "quota_not_enough"
}
}
{
"error": {
"message": "Current group capacity is saturated, please retry later",
"type": "rate_limit_error",
"param": "",
"code": "rate_limit_error"
}
}
Authentication
string
required
All endpoints require Bearer Token authenticationGet your API Key:Visit the API Key management page to get your API KeyAdd it to the request header:
Authorization: Bearer YOUR_API_KEY
Request Parameters
string
required
Model name, must be
"flowmusic" (case-insensitive)string
required
clip_id of the music to download, from a successful task’s
result.music[].clip_idstring
required
Download formatOptions:
mp3- Lossy compression, smaller file sizewav- Lossless, suitable for post-production
Response
integer
Response status code, 200 on success
array
Use Cases
Scenario 1: Export lossless wav
{
"model": "flowmusic",
"clip_id": "abc123-def456",
"format": "wav"
}
Query Task ResultsAudio download is an asynchronous task; a
task_id is returned after submission. Use the Get Task Status endpoint to query generation progress and results. The result is always in result.music[0].audio_url (url has the same value); the format / mime_type fields indicate the actual format.Completed Task Result Example
Query response example (GET /v1/music/tasks/{task_id}):
{
"code": 200,
"data": {
"id": "task_01KWXVD3FPYYQPJ2N87XXE5NQG",
"status": "completed",
"progress": 100,
"created": 1783413247,
"completed": 1783413296,
"actual_time": 49,
"cost": 0.016,
"credits_cost": 0.16,
"result": {
"music": [
{
"clip_id": "a41aade4-993e-4d28-b56f-d97e7ef7167c",
"format": "wav",
"mime_type": "audio/wav",
"size_bytes": 34900726,
"audio_url": "https://cdn.apimart.ai/audio/flowmusic_a41aade4_download_audio.wav",
"url": "https://cdn.apimart.ai/audio/flowmusic_a41aade4_download_audio.wav"
}
]
}
}
}