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OpenAPI Specification

openapi: 3.2.0
info:
  title: xAI's REST Image Generation Models API
  description: REST API for xAI compatible with other providers.
  license:
    name: ''
  version: 1.0.0
tags:
- name: Image Generation Models
paths:
  /v1/image-generation-models:
    get:
      tags:
      - Image Generation Models
      summary: List all image generation models available to the authenticating API key with…
      operationId: handle_image_generation_models_list_request
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListImageGenerationModelsResponse'
              example:
                models:
                - id: grok-imagine-image
                  fingerprint: fp_ca78641a52
                  max_prompt_length: 1024
                  created: 1738961600
                  object: model
                  owned_by: xai
                  version: 1.0.0
                  prompt_text_token_price: 100000
                  prompt_image_token_price: 100000
                  generated_image_token_price: 100000
                  aliases: []
        '400':
          description: Bad request. The request is invalid or an invalid API key is provided.
      security:
      - bearerAuth: []
  /v1/image-generation-models/{model_id}:
    get:
      tags:
      - Image Generation Models
      summary: Get full information about an image generation model with its model_id
      operationId: handle_image_generation_model_get_request
      parameters:
      - name: model_id
        in: path
        description: ID of the model to get.
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ImageGenerationModel'
              example:
                id: grok-imagine-image
                fingerprint: fp_ca78641a52
                max_prompt_length: 1024
                created: 1737961600
                object: model
                owned_by: xai
                version: 1.0.0
                prompt_text_token_price: 100000
                prompt_image_token_price: 100000
                generated_image_token_price: 100000
                aliases: []
        '400':
          description: Bad request. The request is invalid or an invalid API key is provided.
        '404':
          description: Model not found
      security:
      - bearerAuth: []
components:
  schemas:
    ImageGenerationModel:
      type: object
      description: Details of an image generation model
      required:
      - id
      - fingerprint
      - max_prompt_length
      - created
      - object
      - owned_by
      - version
      - input_modalities
      - output_modalities
      - image_price
      - aliases
      properties:
        aliases:
          type: array
          items:
            type: string
          description: Alias ID(s) of the model that user can use in a request's model field.
        created:
          type: integer
          format: int64
          description: Model creation time in Unix timestamp.
        fingerprint:
          type: string
          description: Fingerprint of the xAI system configuration hosting the model.
        id:
          type: string
          description: Model ID.
        image_price:
          type: integer
          format: int64
          description: Price of a single image in USD cents.
        input_modalities:
          type: array
          items:
            type: string
          description: The input modalities supported by the model.
        max_prompt_length:
          type: integer
          format: int64
        object:
          type: string
          description: The object type, which is always `"model"`.
        output_modalities:
          type: array
          items:
            type: string
          description: The output modalities supported by the model.
        owned_by:
          type: string
          description: Owner of the model.
        version:
          type: string
          description: Version of the model.
    ListImageGenerationModelsResponse:
      type: object
      required:
      - models
      properties:
        models:
          type: array
          items:
            $ref: '#/components/schemas/ImageGenerationModel'
          description: Array of available image generation models.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer