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OpenAPI Specification

openapi: 3.2.0
info:
  title: CarGurus Developer APIs Car Selector Instant Market Value API
  description: 'Documented HTTP APIs published by CarGurus under the /Cars/api/ path. Four surfaces are described here: the open (no-auth) Car Selector API for building new/used listing search widgets, and three partner/dealer-gated APIs - Instant Market Value (IMV), Dealer Reviews, and Dealer Stats. The gated APIs authenticate with an appId and authToken issued by CarGurus and are passed as query parameters alongside a JSON body. Endpoint paths, methods, and the Car Selector, IMV, and Dealer Reviews schemas are taken directly from CarGurus developer documentation; the Dealer Stats response is modeled from CarGurus documentation and published examples (endpointsModeled). CarGurus does not publish a public inventory-listings pull API - dealer inventory is ingested via inventory feeds (feed providers / IMT) - and leads are delivered to dealer CRMs rather than exposed here.'
  version: '1.0'
  contact:
    name: CarGurus Developers
    url: https://www.cargurus.com/Cars/developers/
servers:
- url: https://www.cargurus.com/Cars/api/1.0
  description: CarGurus API v1.0 (Car Selector, IMV, Dealer Reviews)
- url: https://www.cargurus.com/Cars/api/2.0
  description: CarGurus API v2.0 (Dealer Stats)
tags:
- name: Instant Market Value
  description: Retrieve CarGurus Instant Market Value and deal rating for cars.
paths:
  /imvRequest.action:
    post:
      tags:
      - Instant Market Value
      summary: Get Instant Market Value
      description: Retrieve the CarGurus Instant Market Value and deal rating for one or more cars. Requires an appId and authToken issued by CarGurus, plus a JSON body describing the listings.
      operationId: imvRequest
      parameters:
      - name: appId
        in: query
        required: true
        description: Application id provided by CarGurus.
        schema:
          type: string
      - name: authToken
        in: query
        required: true
        description: Authentication token provided by CarGurus.
        schema:
          type: string
      - name: body
        in: query
        required: true
        description: JSON representation of the ImvRequest object.
        schema:
          $ref: '#/components/schemas/ImvRequest'
      responses:
        '200':
          description: Instant Market Value response.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ImvResponse'
components:
  schemas:
    ImvRequestListing:
      type: object
      properties:
        vin:
          type: string
        make:
          type: string
        model:
          type: string
        trim:
          type: string
        year:
          type: integer
        transmission:
          type: string
        mileage:
          type: integer
        options:
          type: string
          description: Comma separated string of available car options.
        is_certified:
          type: boolean
        price:
          type: integer
        postal_code:
          type: string
        last_updated_timestamp:
          type: string
          description: ISO-8601 formatted timestamp with UTC offset.
    ApiError:
      type: object
      properties:
        error_code:
          type: integer
        description:
          type: string
    ImvRequest:
      type: object
      properties:
        listings:
          type: array
          items:
            $ref: '#/components/schemas/ImvRequestListing'
    ImvResponse:
      type: object
      properties:
        success:
          type: boolean
        error:
          $ref: '#/components/schemas/ApiError'
        listings:
          type: array
          items:
            $ref: '#/components/schemas/ImvResponseListing'
    ImvResponseListing:
      type: object
      properties:
        success:
          type: boolean
        error:
          $ref: '#/components/schemas/ApiError'
        vin:
          type: string
        instant_market_value:
          type: integer
        cg_make_name:
          type: string
        cg_model_name:
          type: string
        cg_year:
          type: integer
        cg_trim_name:
          type: string
        cg_entity_id:
          type: string
        rating:
          type: string
          enum:
          - GREAT_PRICE
          - GOOD_PRICE
          - OK_PRICE
          - FAIR_PRICE
          - POOR_PRICE
          - OVERPRICED
          - OUTLIER
          - NA