openapi: 3.1.0
info:
  title: Accounting subpackage_models API
  version: 1.0.0
servers:
- url: https://api.merge.dev/api
- url: https://api-eu.merge.dev/api
- url: https://api-ap.merge.dev/api
tags:
- name: subpackage_models
paths:
  /models:
    get:
      operationId: list
      summary: List public models or fetch a single model
      description: List all available public models. Supports filtering by provider or vendor, or fetching a single model by query parameter with ?model=<provider/model-name>.
      tags:
      - subpackage_models
      parameters:
      - name: model
        in: query
        description: Fetch a single model by ID in format 'provider/model-name'
        required: false
        schema:
          type: string
      - name: provider
        in: query
        description: Filter by provider
        required: false
        schema:
          type: string
      - name: vendor
        in: query
        description: Filter by vendor
        required: false
        schema:
          type: string
      - name: cursor
        in: query
        description: Pagination cursor
        required: false
        schema:
          type: string
      - name: limit
        in: query
        description: Page size
        required: false
        schema:
          type: integer
          default: 50
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Models_list_Response_200'
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
components:
  schemas:
    PublicVendorModelCapabilitiesOutputItems:
      type: string
      enum:
      - text
      - tool_use
      - embedding
      title: PublicVendorModelCapabilitiesOutputItems
    PublicVendorModelInfo:
      type: object
      properties:
        launch_date:
          type:
          - string
          - 'null'
        context_window:
          type: integer
        max_output_tokens:
          type: integer
        availability_status:
          $ref: '#/components/schemas/PublicVendorModelInfoAvailabilityStatus'
        capabilities:
          $ref: '#/components/schemas/PublicVendorModelCapabilities'
        pricing:
          $ref: '#/components/schemas/ModelPricing'
      required:
      - context_window
      - max_output_tokens
      - availability_status
      - capabilities
      - pricing
      description: Per-vendor execution metadata for a model - context window, max output tokens, capabilities, pricing, and availability. A single `PublicModel` carries one of these for each vendor that can execute it.
      title: PublicVendorModelInfo
    PublicModelAvailabilityStatus:
      type: string
      enum:
      - available
      - deprecated
      title: PublicModelAvailabilityStatus
    PublicModelsListResponse:
      type: object
      properties:
        object:
          type: string
          enum:
          - list
        data:
          type: array
          items:
            $ref: '#/components/schemas/PublicModel'
        has_more:
          type: boolean
          default: false
        next_cursor:
          type:
          - string
          - 'null'
      required:
      - data
      description: Paginated response wrapper for `GET /v1/models`. Use the `next_cursor` field to page through results when `has_more` is true.
      title: PublicModelsListResponse
    ValidationErrorLocItems:
      oneOf:
      - type: string
      - type: integer
      title: ValidationErrorLocItems
    PublicVendorModelInfoAvailabilityStatus:
      type: string
      enum:
      - available
      - deprecated
      title: PublicVendorModelInfoAvailabilityStatus
    HTTPValidationError:
      type: object
      properties:
        detail:
          type: array
          items:
            $ref: '#/components/schemas/ValidationError'
      description: Standard FastAPI validation error wrapper. Returned with HTTP 422 when the request body or query parameters fail Pydantic validation.
      title: HTTPValidationError
    ValidationError:
      type: object
      properties:
        loc:
          type: array
          items:
            $ref: '#/components/schemas/ValidationErrorLocItems'
        msg:
          type: string
        type:
          type: string
        input:
          description: Any type
        ctx:
          $ref: '#/components/schemas/ValidationErrorCtx'
      required:
      - loc
      - msg
      - type
      description: Single field-level validation error. `loc` is the JSON path to the offending field, `msg` is a human-readable explanation, and `type` is a stable machine-readable error code.
      title: ValidationError
    ValidationErrorCtx:
      type: object
      properties: {}
      title: ValidationErrorCtx
    PublicVendorModelCapabilitiesInputItems:
      type: string
      enum:
      - text
      - image
      - document
      - embedding
      title: PublicVendorModelCapabilitiesInputItems
    PublicModel:
      type: object
      properties:
        model:
          type: string
          description: Model ID in format 'provider/model-name'
        provider:
          type: string
        display_name:
          type: string
        vendors:
          type: object
          additionalProperties:
            $ref: '#/components/schemas/PublicVendorModelInfo'
        availability_status:
          $ref: '#/components/schemas/PublicModelAvailabilityStatus'
        created_at:
          type:
          - string
          - 'null'
          format: date-time
        updated_at:
          type:
          - string
          - 'null'
          format: date-time
      required:
      - model
      - provider
      - display_name
      - vendors
      - availability_status
      description: A canonical model in Merge Gateway's catalog. Identified by `model` (fully-qualified provider/model ID) and exposes the set of `vendors` that can execute it, each with its own capabilities, context window, pricing, and ZDR flag.
      title: PublicModel
    PublicVendorModelCapabilities:
      type: object
      properties:
        input:
          type: array
          items:
            $ref: '#/components/schemas/PublicVendorModelCapabilitiesInputItems'
        output:
          type: array
          items:
            $ref: '#/components/schemas/PublicVendorModelCapabilitiesOutputItems'
        supports_tool_calling:
          type: boolean
        supports_tool_choice:
          type: boolean
          default: false
        supports_structured_outputs:
          type: boolean
        streaming:
          type: boolean
      required:
      - input
      - output
      - supports_tool_calling
      - supports_tool_choice
      - supports_structured_outputs
      - streaming
      description: Per-route capability flags. Lists supported input/output content types (text, image, document, tool_use) and feature support (tool calling, tool choice, structured outputs, streaming).
      title: PublicVendorModelCapabilities
    ModelPricing:
      type: object
      properties:
        currency:
          type: string
          enum:
          - USD
        input_per_million:
          type: number
          format: double
        output_per_million:
          type: number
          format: double
      required:
      - input_per_million
      - output_per_million
      description: Pricing information for a model.
      title: ModelPricing
    Models_list_Response_200:
      oneOf:
      - $ref: '#/components/schemas/PublicModelsListResponse'
      - $ref: '#/components/schemas/PublicModel'
      title: Models_list_Response_200
  securitySchemes:
    tokenAuth:
      type: http
      scheme: bearer
      description: Token-based authentication with required prefix "Bearer"