MiniMax Text Generation API

openapi: 3.1.0
info:
  title: MiniMax Files Text Generation API
  description: MiniMax text generation API with support for chat completion and streaming output
  license:
    name: MIT
  version: 1.0.0
servers:
- url: https://api.minimax.io
security:
- bearerAuth: []
tags:
- name: Text Generation
paths:
  /v1/text/chatcompletion_v2:
    post:
      summary: Text Generation V2
      description: Generate text using MiniMax models with support for single-turn and multi-turn conversations
      operationId: chatCompletionV2
      tags:
      - Text Generation
      requestBody:
        description: Chat completion request parameters
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/ChatCompletionReq'
        required: true
      responses:
        '200':
          description: Successful response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChatCompletionResp'
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Authentication failed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    Usage:
      type: object
      properties:
        prompt_tokens:
          type: integer
          description: Number of tokens in the prompt
        completion_tokens:
          type: integer
          description: Number of tokens in the completion
        total_tokens:
          type: integer
          description: Total number of tokens used
    Error:
      type: object
      required:
      - error
      - message
      properties:
        error:
          type: integer
          format: int32
          description: Error code
        message:
          type: string
          description: Error message
    ChatCompletionReq:
      type: object
      required:
      - model
      - messages
      properties:
        model:
          type: string
          description: Model ID for text generation
          enum:
          - MiniMax-M1
          - MiniMax-Text-01
        messages:
          type: array
          description: List of messages in the conversation
          items:
            $ref: '#/components/schemas/Message'
        temperature:
          type: number
          format: double
          description: Sampling temperature (0.0 to 1.0)
          minimum: 0.0
          maximum: 1.0
          default: 0.7
        max_tokens:
          type: integer
          description: Maximum number of tokens to generate
          minimum: 1
          maximum: 4096
        stream:
          type: boolean
          description: Whether to stream the response
          default: false
        top_p:
          type: number
          format: double
          description: Nucleus sampling parameter
          minimum: 0.0
          maximum: 1.0
          default: 0.9
    Choice:
      type: object
      properties:
        index:
          type: integer
          description: Index of the choice
        message:
          $ref: '#/components/schemas/Message'
        finish_reason:
          type: string
          enum:
          - stop
          - length
          - content_filter
          description: Reason for completion
    ChatCompletionResp:
      type: object
      properties:
        id:
          type: string
          description: Unique identifier for the completion
        object:
          type: string
          description: Object type
          enum:
          - chat.completion
        created:
          type: integer
          format: int64
          description: Unix timestamp of creation
        model:
          type: string
          description: Model used for completion
        choices:
          type: array
          description: List of completion choices
          items:
            $ref: '#/components/schemas/Choice'
        usage:
          $ref: '#/components/schemas/Usage'
    Message:
      type: object
      required:
      - role
      - content
      properties:
        role:
          type: string
          enum:
          - system
          - user
          - assistant
          description: Role of the message sender
        content:
          type: string
          description: Content of the message
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT