> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mountsea.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# 定制模型准备

> 为定制模型训练创建会话

<Info>
  这是 Custom Model 工作流程的**第一步**。完整的三步流程请参阅[完整工作流程指南](/zh/api-reference/suno/customModel)。
</Info>

此端点创建会话并绑定账户。无需请求体。返回的 `sessionId` 用于所有后续的[上传](/zh/api-reference/suno/customModelUpload)和[创建](/zh/api-reference/suno/customModelCreate)调用。

<Tip>
  `sessionId` 是整个训练工作流程的唯一标识符。请妥善保存 — 后续每一步都需要使用它。
</Tip>


## OpenAPI

````yaml POST /suno/v2/customModel/prepare
openapi: 3.0.0
info:
  title: Suno AI
  description: API documentation for Suno AI
  version: 1.0.0
  contact: {}
servers:
  - url: https://api.mountsea.ai
    description: API Gateway
security: []
tags:
  - name: suno
    description: ''
paths:
  /suno/v2/customModel/prepare:
    post:
      tags:
        - suno
      summary: prepare custom model session
      description: >-
        Select a custom_model/mixed account and create a session. Returns
        sessionId for subsequent upload and create steps. Poll status with the
        same sessionId after create.
      operationId: ApiPublicController_customModelPrepare
      parameters: []
      responses:
        '201':
          description: ''
      security:
        - bearerAuth: []
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````