> ## Documentation Index
> Fetch the complete documentation index at: https://gomodel-feat-mcp-discovery.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Run one Choice question with several option orders (Kev)

> GoModel API reference for POST /v1/systemone/permute: Run one Choice question with several option orders (Kev).



## OpenAPI

````yaml /openapi.json post /v1/systemone/permute
openapi: 3.0.0
info:
  description: >-
    AI gateway routing requests to multiple LLM providers (OpenAI, Anthropic,
    Gemini, Groq, Fireworks AI, Meta, OpenRouter, Kilo AI, DeepSeek, Z.ai, xAI,
    MiniMax, Xiaomi MiMo, OpenCode Go, Oracle, Ollama, Bailian). Drop-in
    OpenAI-compatible API.
  title: GoModel API
  contact: {}
  version: '1.0'
servers:
  - url: '{base_url}'
    description: Edit the base URL to point at your GoModel deployment.
    variables:
      base_url:
        default: http://localhost:8080
        description: Your GoModel deployment URL
security: []
paths:
  /v1/systemone/permute:
    post:
      tags:
        - systemone
      summary: Run one Choice question with several option orders (Kev)
      description: >-
        A Kev server diagnostic: the request is a System One request, and n_perm
        (1 to 64, default 6) sets how many option orders run. Only jev providers
        pointing at a Kev server serve it.
      requestBody:
        content:
          application/json:
            schema:
              type: object
        description: System One request with one Choice question
        required: true
      responses:
        '200':
          description: Kev's answer, in the provider's shape
          content:
            application/json:
              schema:
                type: object
        '400':
          description: Bad Request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/core.OpenAIErrorEnvelope'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/core.OpenAIErrorEnvelope'
        '404':
          description: Not Found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/core.OpenAIErrorEnvelope'
        '429':
          description: Too Many Requests
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/core.OpenAIErrorEnvelope'
        '502':
          description: Bad Gateway
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/core.OpenAIErrorEnvelope'
      security:
        - BearerAuth: []
components:
  schemas:
    core.OpenAIErrorEnvelope:
      type: object
      required:
        - error
      properties:
        error:
          $ref: '#/components/schemas/core.OpenAIErrorObject'
    core.OpenAIErrorObject:
      type: object
      required:
        - code
        - message
        - param
        - type
      properties:
        code:
          type: string
          nullable: true
        message:
          type: string
        param:
          type: string
          nullable: true
        provider:
          description: |-
            Provider names the upstream provider that produced the error. It is
            omitted for errors raised by the gateway itself.
          type: string
        type:
          $ref: '#/components/schemas/core.ErrorType'
    core.ErrorType:
      type: string
      enum:
        - provider_error
        - rate_limit_error
        - invalid_request_error
        - authentication_error
        - not_found_error
        - permission_error
        - internal_error
      x-enum-varnames:
        - ErrorTypeProvider
        - ErrorTypeRateLimit
        - ErrorTypeInvalidRequest
        - ErrorTypeAuthentication
        - ErrorTypeNotFound
        - ErrorTypePermission
        - ErrorTypeInternal
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````

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