API Reference
Suno Replace-Section
Use the replace section endpoint to create an asynchronous Task.
01
Overview
Use the replace section endpoint with a supported model. Use the returned Task ID to retrieve its state, or provide callback_url for the deliveries documented below.
Quick start
- Create an API key and set it as RUNAPI_API_KEY.
- Choose a supported model and send a POST request whose body matches that model's schema.
- Store the returned task ID, then poll until a terminal state or handle the callbacks documented below.
Endpoint
- Base URL
https://runapi.ai- API version
v1- Authentication
Authorization: Bearer YOUR_API_TOKEN
02
Supported models
Open a model page for current pricing, rate limits, and commercial-usage details.
03
JSON bodyRequest schema
Fields and allowed values depend on the selected model. When supplied, callback_url receives the Task deliveries documented below.
Request body12 fields
audio_idstring
Optional
Audio ID within the source task. Use with task_id; do not combine with upload_url/model.
callback_urlstring
Optional
Webhook URL for async notifications.
full_lyricsstring
Required
Complete song lyrics for context.
infill_end_timenumber
Required
Section end time in seconds.
infill_start_timenumber
Required
Section start time in seconds.
lyricsstring
Required
Replacement section lyrics.
modelstring
Optional
Model slug for uploaded source audio.
Allowed values:suno-v4, suno-v4.5, suno-v4.5-all, suno-v4.5-plus, suno-v5, suno-v5.5
negative_tagsstring
Optional
Styles to avoid.
tagsstring
Required
Style or genre tags.
task_idstring
Optional
Source task ID. Use with audio_id; do not combine with upload_url/model.
titlestring
Required
Song title.
upload_urlstring
Optional
Uploaded source audio URL. Use with model; do not combine with task_id/audio_id.
04
HTTP 202Create acceptance
POST /api/v1/suno/replace_section
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"id": {
"type": "string"
},
"status": {
"enum": [
"processing"
],
"type": "string"
},
"task_replayed": {
"type": "boolean"
}
},
"required": [
"id",
"status",
"billing"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"billing": {
"refund": null,
"reservation": null,
"settlement": null
},
"id": "tsk_reference_demo",
"status": "processing"
}05
HTTP 200Polling processing
GET /api/v1/suno/replace_section/:id
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"id": {
"type": "string"
},
"status": {
"enum": [
"processing"
],
"type": "string"
},
"track": {
"properties": {
"audio_url": {
"type": "string"
},
"duration": {
"type": "number"
},
"id": {
"type": "string"
},
"image_url": {
"type": "string"
},
"lyrics": {
"type": "string"
},
"model_name": {
"type": "string"
},
"stream_audio_url": {
"type": "string"
},
"tags": {
"items": {
"type": "string"
},
"type": "array"
},
"title": {
"type": "string"
}
},
"required": [
"id"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"id",
"status",
"billing"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"billing": {
"refund": null,
"reservation": null,
"settlement": null
},
"id": "tsk_reference_demo",
"status": "processing"
}06
HTTP 200Polling completed
GET /api/v1/suno/replace_section/:id
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"id": {
"type": "string"
},
"status": {
"enum": [
"completed"
],
"type": "string"
},
"track": {
"properties": {
"audio_url": {
"type": "string"
},
"duration": {
"type": "number"
},
"id": {
"type": "string"
},
"image_url": {
"type": "string"
},
"lyrics": {
"type": "string"
},
"model_name": {
"type": "string"
},
"stream_audio_url": {
"type": "string"
},
"tags": {
"items": {
"type": "string"
},
"type": "array"
},
"title": {
"type": "string"
}
},
"required": [
"id"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"id",
"status",
"track",
"billing"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"billing": {
"refund": null,
"reservation": null,
"settlement": null
},
"id": "tsk_reference_demo",
"status": "completed",
"track": {
"audio_url": "https://file.runapi.ai/reference-audio.mp3",
"id": "audio_replaced_section"
}
}07
HTTP 200Polling failed
GET /api/v1/suno/replace_section/:id
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"error": {
"type": "string"
},
"id": {
"type": "string"
},
"status": {
"enum": [
"failed"
],
"type": "string"
}
},
"required": [
"id",
"status",
"error",
"billing"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"billing": {
"refund": null,
"reservation": null,
"settlement": null
},
"error": "Task processing failed.",
"id": "tsk_reference_demo",
"status": "failed"
}08
HTTP 200Customer callback: completed
POST callback_url
Response schema
JSON
{
"properties": {
"id": {
"type": "string"
},
"status": {
"enum": [
"completed"
],
"type": "string"
},
"track": {
"properties": {
"audio_url": {
"type": "string"
},
"duration": {
"type": "number"
},
"id": {
"type": "string"
},
"image_url": {
"type": "string"
},
"lyrics": {
"type": "string"
},
"model_name": {
"type": "string"
},
"stream_audio_url": {
"type": "string"
},
"tags": {
"items": {
"type": "string"
},
"type": "array"
},
"title": {
"type": "string"
}
},
"required": [
"id"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"id",
"status",
"track"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"id": "tsk_reference_demo",
"status": "completed",
"track": {
"audio_url": "https://file.runapi.ai/reference-audio.mp3",
"id": "audio_replaced_section"
}
}09
HTTP 200Customer callback: failed
POST callback_url
Response schema
JSON
{
"properties": {
"error": {
"oneOf": [
{
"type": "string"
},
{
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"required": [
"code",
"message"
],
"type": "object",
"unevaluatedProperties": false
}
]
},
"id": {
"type": "string"
},
"status": {
"enum": [
"failed"
],
"type": "string"
}
},
"required": [
"id",
"status",
"error"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"error": {
"code": "generation_failed",
"message": "Task processing failed."
},
"id": "tsk_reference_demo",
"status": "failed"
}10
HTTP 401Errors
POST /api/v1/suno/replace_section
This response has no body.
11
HTTP 401Errors
GET /api/v1/suno/replace_section/:id
This response has no body.
12
HTTP 400Errors
POST /api/v1/suno/replace_section
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"error": {
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"required": [
"code",
"message"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"error"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"error": {
"code": "model_must_be_one_of",
"message": "model must be one of: "
}
}13
HTTP 402Errors
POST /api/v1/suno/replace_section
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"error": {
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"required": [
"code",
"message"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"error"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"error": {
"code": "insufficient_balance",
"message": "Insufficient balance"
}
}14
HTTP 403Errors
POST /api/v1/suno/replace_section
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"error": {
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"required": [
"code",
"message"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"error"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"error": {
"code": "api_token_credit_limit_exceeded",
"message": "API key credit limit exceeded"
}
}15
HTTP 409Errors
POST /api/v1/suno/replace_section
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"error": {
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"required": [
"code",
"message"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"error"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"error": {
"code": "request_conflict",
"message": "The request uses features that are not supported for the selected model"
}
}16
HTTP 429Errors
POST /api/v1/suno/replace_section
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"error": {
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"required": [
"code",
"message"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"error"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"error": {
"code": "rate_limited",
"message": "Rate limit reached. Please retry later."
}
}17
HTTP 503Errors
POST /api/v1/suno/replace_section
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"error": {
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"required": [
"code",
"message"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"error"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"error": {
"code": "service_unavailable",
"message": "Service under maintenance, please try again later"
}
}18
HTTP 504Errors
POST /api/v1/suno/replace_section
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"error": {
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"required": [
"code",
"message"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"error"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"billing": {
"refund": null,
"reservation": null,
"settlement": null
},
"error": {
"code": "timeout_error",
"message": "The request timed out"
}
}19
HTTP 404Errors
GET /api/v1/suno/replace_section/:id
Response schema
JSON
{
"properties": {
"billing": {
"properties": {
"refund": {
"oneOf": [
{
"properties": {
"refunded_at": {
"type": "string"
}
},
"required": [
"refunded_at"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"reservation": {
"oneOf": [
{
"properties": {
"amount_cents": {
"type": "integer"
}
},
"required": [
"amount_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
},
"settlement": {
"oneOf": [
{
"properties": {
"amount_micro_cents": {
"type": "integer"
},
"charged_amount_cents": {
"type": "integer"
}
},
"required": [
"charged_amount_cents",
"amount_micro_cents"
],
"type": "object",
"unevaluatedProperties": false
},
{
"enum": [
null
]
}
]
}
},
"required": [
"reservation",
"settlement",
"refund"
],
"type": "object",
"unevaluatedProperties": false
},
"error": {
"properties": {
"code": {
"type": "string"
},
"message": {
"type": "string"
}
},
"required": [
"code",
"message"
],
"type": "object",
"unevaluatedProperties": false
}
},
"required": [
"error"
],
"type": "object",
"unevaluatedProperties": false
}Response example
JSON
{
"error": {
"code": "not_found",
"message": "Task with id 'tsk_reference_demo' not found"
}
}20
Generated Code Samples
Use cURL directly, or install an SDK for your language. Each sample submits the validated request shown in this reference.
CURL
curl -X POST https://runapi.ai/api/v1/suno/replace_section \
-H 'Authorization: Bearer YOUR_API_TOKEN' \
-H 'Content-Type: application/json' \
-d '{"upload_url":"https://file.runapi.ai/source-audio.mp3","model":"suno-v5","lyrics":"New words for this section.","tags":"acoustic pop","title":"City Lights","infill_start_time":10,"infill_end_time":20,"full_lyrics":"City lights reflect in the rain. New words for this section."}'Install
BASH
npm install @runapi.ai/suno
JAVASCRIPT
import { SunoClient } from "@runapi.ai/suno";
const client = new SunoClient({ apiKey: process.env.RUNAPI_API_KEY });
const task = await client.replaceSection.create({
"upload_url": "https://file.runapi.ai/source-audio.mp3",
"model": "suno-v5",
"lyrics": "New words for this section.",
"tags": "acoustic pop",
"title": "City Lights",
"infill_start_time": 10,
"infill_end_time": 20,
"full_lyrics": "City lights reflect in the rain. New words for this section."
});Install
BASH
pip install runapi-suno
PYTHON
import os
from runapi.suno import SunoClient
client = SunoClient(api_key=os.environ["RUNAPI_API_KEY"])
task = client.replace_section.create(
upload_url="https://file.runapi.ai/source-audio.mp3",
model="suno-v5",
lyrics="New words for this section.",
tags="acoustic pop",
title="City Lights",
infill_start_time=10,
infill_end_time=20,
full_lyrics="City lights reflect in the rain. New words for this section."
)Install
BASH
go get github.com/runapi-ai/suno-sdk/go@latest
GO
package main
import (
"context"
"log"
"os"
"github.com/runapi-ai/core-sdk/go/option"
suno "github.com/runapi-ai/suno-sdk/go/suno"
)
func main() {
client, err := suno.NewClient(option.WithAPIKey(os.Getenv("RUNAPI_API_KEY")))
if err != nil {
log.Fatal(err)
}
task, err := client.ReplaceSection.Create(context.Background(), suno.ReplaceSectionParams{
UploadURL: "https://file.runapi.ai/source-audio.mp3",
Model: suno.SunoModel("suno-v5"),
Lyrics: "New words for this section.",
Tags: "acoustic pop",
Title: "City Lights",
InfillStartTime: 10,
InfillEndTime: 20,
FullLyrics: "City lights reflect in the rain. New words for this section.",
})
if err != nil {
log.Fatal(err)
}
_ = task
}Install
BASH
gem install runapi-suno
RUBY
require "runapi/suno"
client = RunApi::Suno::Client.new(api_key: ENV.fetch("RUNAPI_API_KEY"))
task = client.replace_section.create(
upload_url: "https://file.runapi.ai/source-audio.mp3",
model: "suno-v5",
lyrics: "New words for this section.",
tags: "acoustic pop",
title: "City Lights",
infill_start_time: 10,
infill_end_time: 20,
full_lyrics: "City lights reflect in the rain. New words for this section."
)Install
KOTLIN
implementation("ai.runapi:runapi-suno")
JAVA
import ai.runapi.suno.SunoClient;
import ai.runapi.suno.types.ReplaceSectionParams;
import ai.runapi.core.polling.TaskCreateResponse;
public final class Example {
public static void main(String[] args) {
SunoClient client = SunoClient.builder()
.apiKey(System.getenv("RUNAPI_API_KEY"))
.build();
TaskCreateResponse task = client.replaceSection().create(
ReplaceSectionParams.builder()
.uploadUrl("https://file.runapi.ai/source-audio.mp3")
.model("suno-v5")
.lyrics("New words for this section.")
.tags("acoustic pop")
.title("City Lights")
.infillStartTime(10)
.infillEndTime(20)
.fullLyrics("City lights reflect in the rain. New words for this section.")
.build()
);
}
}Install
BASH
composer require runapi-ai/suno
PHP
<?php
require __DIR__ . '/vendor/autoload.php';
use RunApi\Core\ClientOptions;
use RunApi\Suno\SunoClient;
$client = new SunoClient(new ClientOptions(apiKey: getenv('RUNAPI_API_KEY')));
$task = $client->replaceSection->create([
"upload_url" => "https://file.runapi.ai/source-audio.mp3",
"model" => "suno-v5",
"lyrics" => "New words for this section.",
"tags" => "acoustic pop",
"title" => "City Lights",
"infill_start_time" => 10,
"infill_end_time" => 20,
"full_lyrics" => "City lights reflect in the rain. New words for this section."
]);