Studio add section (phase 1)
curl --request POST \
--url https://api.mountsea.ai/suno/v2/studio/addSection \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"clip_id": "<string>",
"insert_at_s": 1,
"duration_s": 16,
"section_beats": 32,
"lyrics": "<string>",
"tags": "<string>",
"negative_tags": "<string>",
"model": "chirp-v55",
"title": "<string>"
}
'import requests
url = "https://api.mountsea.ai/suno/v2/studio/addSection"
payload = {
"clip_id": "<string>",
"insert_at_s": 1,
"duration_s": 16,
"section_beats": 32,
"lyrics": "<string>",
"tags": "<string>",
"negative_tags": "<string>",
"model": "chirp-v55",
"title": "<string>"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
clip_id: '<string>',
insert_at_s: 1,
duration_s: 16,
section_beats: 32,
lyrics: '<string>',
tags: '<string>',
negative_tags: '<string>',
model: 'chirp-v55',
title: '<string>'
})
};
fetch('https://api.mountsea.ai/suno/v2/studio/addSection', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.mountsea.ai/suno/v2/studio/addSection",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'clip_id' => '<string>',
'insert_at_s' => 1,
'duration_s' => 16,
'section_beats' => 32,
'lyrics' => '<string>',
'tags' => '<string>',
'negative_tags' => '<string>',
'model' => 'chirp-v55',
'title' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.mountsea.ai/suno/v2/studio/addSection"
payload := strings.NewReader("{\n \"clip_id\": \"<string>\",\n \"insert_at_s\": 1,\n \"duration_s\": 16,\n \"section_beats\": 32,\n \"lyrics\": \"<string>\",\n \"tags\": \"<string>\",\n \"negative_tags\": \"<string>\",\n \"model\": \"chirp-v55\",\n \"title\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.mountsea.ai/suno/v2/studio/addSection")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"clip_id\": \"<string>\",\n \"insert_at_s\": 1,\n \"duration_s\": 16,\n \"section_beats\": 32,\n \"lyrics\": \"<string>\",\n \"tags\": \"<string>\",\n \"negative_tags\": \"<string>\",\n \"model\": \"chirp-v55\",\n \"title\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.mountsea.ai/suno/v2/studio/addSection")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"clip_id\": \"<string>\",\n \"insert_at_s\": 1,\n \"duration_s\": 16,\n \"section_beats\": 32,\n \"lyrics\": \"<string>\",\n \"tags\": \"<string>\",\n \"negative_tags\": \"<string>\",\n \"model\": \"chirp-v55\",\n \"title\": \"<string>\"\n}"
response = http.request(request)
puts response.read_body{
"taskId": "15c257ff-43f7-4678-bd41-202ad6b8488b"
}Studio
Studio 插入段落
阶段一 — 在插入点生成候选填充
POST
/
suno
/
v2
/
studio
/
addSection
Studio add section (phase 1)
curl --request POST \
--url https://api.mountsea.ai/suno/v2/studio/addSection \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"clip_id": "<string>",
"insert_at_s": 1,
"duration_s": 16,
"section_beats": 32,
"lyrics": "<string>",
"tags": "<string>",
"negative_tags": "<string>",
"model": "chirp-v55",
"title": "<string>"
}
'import requests
url = "https://api.mountsea.ai/suno/v2/studio/addSection"
payload = {
"clip_id": "<string>",
"insert_at_s": 1,
"duration_s": 16,
"section_beats": 32,
"lyrics": "<string>",
"tags": "<string>",
"negative_tags": "<string>",
"model": "chirp-v55",
"title": "<string>"
}
headers = {
"Authorization": "Bearer <token>",
"Content-Type": "application/json"
}
response = requests.post(url, json=payload, headers=headers)
print(response.text)const options = {
method: 'POST',
headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
body: JSON.stringify({
clip_id: '<string>',
insert_at_s: 1,
duration_s: 16,
section_beats: 32,
lyrics: '<string>',
tags: '<string>',
negative_tags: '<string>',
model: 'chirp-v55',
title: '<string>'
})
};
fetch('https://api.mountsea.ai/suno/v2/studio/addSection', options)
.then(res => res.json())
.then(res => console.log(res))
.catch(err => console.error(err));<?php
$curl = curl_init();
curl_setopt_array($curl, [
CURLOPT_URL => "https://api.mountsea.ai/suno/v2/studio/addSection",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => json_encode([
'clip_id' => '<string>',
'insert_at_s' => 1,
'duration_s' => 16,
'section_beats' => 32,
'lyrics' => '<string>',
'tags' => '<string>',
'negative_tags' => '<string>',
'model' => 'chirp-v55',
'title' => '<string>'
]),
CURLOPT_HTTPHEADER => [
"Authorization: Bearer <token>",
"Content-Type: application/json"
],
]);
$response = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}package main
import (
"fmt"
"strings"
"net/http"
"io"
)
func main() {
url := "https://api.mountsea.ai/suno/v2/studio/addSection"
payload := strings.NewReader("{\n \"clip_id\": \"<string>\",\n \"insert_at_s\": 1,\n \"duration_s\": 16,\n \"section_beats\": 32,\n \"lyrics\": \"<string>\",\n \"tags\": \"<string>\",\n \"negative_tags\": \"<string>\",\n \"model\": \"chirp-v55\",\n \"title\": \"<string>\"\n}")
req, _ := http.NewRequest("POST", url, payload)
req.Header.Add("Authorization", "Bearer <token>")
req.Header.Add("Content-Type", "application/json")
res, _ := http.DefaultClient.Do(req)
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))
}HttpResponse<String> response = Unirest.post("https://api.mountsea.ai/suno/v2/studio/addSection")
.header("Authorization", "Bearer <token>")
.header("Content-Type", "application/json")
.body("{\n \"clip_id\": \"<string>\",\n \"insert_at_s\": 1,\n \"duration_s\": 16,\n \"section_beats\": 32,\n \"lyrics\": \"<string>\",\n \"tags\": \"<string>\",\n \"negative_tags\": \"<string>\",\n \"model\": \"chirp-v55\",\n \"title\": \"<string>\"\n}")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.mountsea.ai/suno/v2/studio/addSection")
http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true
request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n \"clip_id\": \"<string>\",\n \"insert_at_s\": 1,\n \"duration_s\": 16,\n \"section_beats\": 32,\n \"lyrics\": \"<string>\",\n \"tags\": \"<string>\",\n \"negative_tags\": \"<string>\",\n \"model\": \"chirp-v55\",\n \"title\": \"<string>\"\n}"
response = http.request(request)
puts response.read_body{
"taskId": "15c257ff-43f7-4678-bd41-202ad6b8488b"
}在
属于 Studio 编辑。
成功
产品 UI:展示两候选 → 用户点选某个
insert_at_s 通过 infill 插入新段落,返回 2 个候选 + 供阶段二使用的 Studio 上下文。轮询 查询任务状态 至 success 后,用选定的 candidate_clip_id 调用 提交插入段落(不需要阶段一 taskId)。
计费同创建音乐。通过
clip_id 选号。插入点请离片头/片尾足够远(约两侧各 >0.5s);贴边续写请用 generate extend,不要用 addSection。参数
| 字段 | 类型 | 必填 | 说明 |
|---|---|---|---|
clip_id | string | 是 | 源 clip |
insert_at_s | number | 是 | 插入位置(秒) |
duration_s | number | 否 | 模型生成窗口 4~32(默认 16)。不等于最终插入长度 — 首次可试 8~12 |
section_beats | number | 否 | 时间线预留空档(拍)8~256(默认 32)。与 duration_s 解耦;装不下时可提到 64~128 |
lyrics | string | 否 | 新段歌词;不传则为纯音乐 |
tags | string | 否 | 风格;不传则继承原曲 |
negative_tags | string | 否 | 排除风格 |
model | string | 否 | 默认 chirp-v55 / chirp-fenix |
title | string | 否 | 候选标题 |
成功 data(示意)
{
"clips": [
{ "id": "候选A", "status": "complete" },
{ "id": "候选B", "status": "complete" }
],
"studio": {
"clip_id": "...",
"projectId": "...",
"gapStartBeats": 124.48,
"gapEndBeats": 252.48,
"sectionBeats": 128,
"duration_s": 8,
"historyEndSeconds": 52.5,
"futureStartSeconds": 52.5
}
}
clips[].id → 阶段二只需传 candidate_clip_id。
实战建议
| 情况 | 建议 |
|---|---|
| 第一次尝试 | duration_s=8~12,section_beats=64 或 128 |
| 候选过长 / commit 失败 | 换候选;仍失败 → 加大 section_beats 重新跑阶段一(不要只改 commit) |
STUDIO_ALIGNMENT_CONTENT_TOO_LONG | 缩短歌词或加大 gap |
| 片头/片尾续写 | 用 extend,不用 addSection |
示例
curl -X POST https://api.mountsea.ai/suno/v2/studio/addSection \
-H "Authorization: Bearer your-api-key" \
-H "Content-Type: application/json" \
-d '{
"clip_id": "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx",
"insert_at_s": 52.5,
"duration_s": 8,
"section_beats": 128,
"tags": "lofi, soft",
"lyrics": "",
"title": "Add bridge"
}'
授权
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
请求体
application/json
原歌曲 clip_id
在原曲的这个秒数处插入新段落
必填范围:
x >= 0新段落生成窗口秒数,范围 4~32,默认 16(不等于最终插入时长)
必填范围:
4 <= x <= 32Studio 时间线预留空档(beat)。默认 32(官网 Create Section);与 duration_s 解耦,可按需加大以装下更长生成内容
必填范围:
8 <= x <= 256新段落歌词;不传则为纯音乐
风格;不传则继承原曲风格
排除风格
模型版本,默认 chirp-v55 / chirp-fenix
示例:
"chirp-v55"
候选标题
响应
201 - application/json
task id. Use this id to query task status.
示例:
"15c257ff-43f7-4678-bd41-202ad6b8488b"