Smartcar

Smartcar Vehicle Data API

Read vehicle signals and status data

Documentation GitHub OpenAPI

Operations 10

GET /vehicles/{id} Get Vehicle #

GET /vehicles/{id}/signals Get Vehicle Signals #

GET /vehicles/{id}/battery Get Battery Level #

GET /vehicles/{id}/location Get Location #

GET /vehicles/{id}/odometer Get Odometer #

GET /vehicles/{id}/fuel Get Fuel Tank #

GET /vehicles/{id}/engine/oil Get Engine Oil Life #

GET /vehicles/{id}/diagnostics/dtcs Get Diagnostic Trouble Codes #

GET /vehicles/{id}/permissions Get Vehicle Permissions #

POST /vehicles/{id}/batch Batch Vehicle Data Requests #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Smartcar Vehicles Charging Vehicle Data API
  description: The Smartcar Vehicles API provides a standardized REST interface for accessing connected vehicle data and sending commands to vehicles across multiple OEMs through a single integration. Retrieve signals such as battery level, odometer, location, fuel, engine oil life, and lock status, or issue commands like lock/unlock doors, start/stop charging, set charge limits, and set navigation destinations. Authentication uses OAuth 2.0 with user-granted permissions per vehicle.
  version: 2.0.0
  termsOfService: https://smartcar.com/terms/
  contact:
    name: Smartcar Support
    url: https://smartcar.com/docs/
    email: support@smartcar.com
  license:
    name: Smartcar API License
    url: https://smartcar.com/terms/
servers:
- url: https://vehicle.api.smartcar.com/v2.0
  description: Smartcar Vehicle API v2.0
- url: https://management.api.smartcar.com/v3
  description: Smartcar Management API v3
security:
- BearerAuth: []
tags:
- name: Vehicle Data
  description: Read vehicle signals and status data
paths:
  /vehicles/{id}:
    get:
      operationId: getVehicle
      summary: Get Vehicle
      description: Retrieves attributes and metadata for a specific vehicle.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: Vehicle ID
      responses:
        '200':
          description: Vehicle attributes
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Vehicle'
        '401':
          description: Unauthorized
        '404':
          description: Vehicle not found
  /vehicles/{id}/signals:
    get:
      operationId: getSignals
      summary: Get Vehicle Signals
      description: Reads all available signals (telemetry data) for a vehicle.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
        description: Vehicle ID
      responses:
        '200':
          description: Vehicle signals
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Signals'
  /vehicles/{id}/battery:
    get:
      operationId: getBatteryLevel
      summary: Get Battery Level
      description: Retrieves the current battery level and estimated range for an electric or hybrid vehicle. Requires the read_battery permission.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Battery status
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Battery'
        '409':
          description: Vehicle state conflict
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
  /vehicles/{id}/location:
    get:
      operationId: getLocation
      summary: Get Location
      description: Retrieves the current GPS coordinates of the vehicle. Requires the read_location permission.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Vehicle location
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Location'
  /vehicles/{id}/odometer:
    get:
      operationId: getOdometer
      summary: Get Odometer
      description: Retrieves the vehicle's current odometer reading. Requires the read_odometer permission.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Odometer reading
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Odometer'
  /vehicles/{id}/fuel:
    get:
      operationId: getFuelTank
      summary: Get Fuel Tank
      description: Retrieves fuel tank status including percentage remaining, amount remaining, and estimated range. Requires the read_fuel permission.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Fuel tank status
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/FuelTank'
  /vehicles/{id}/engine/oil:
    get:
      operationId: getEngineOil
      summary: Get Engine Oil Life
      description: Retrieves the remaining engine oil life as a percentage. Requires the read_engine_oil permission.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Engine oil life
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/EngineOil'
  /vehicles/{id}/diagnostics/dtcs:
    get:
      operationId: getDiagnosticCodes
      summary: Get Diagnostic Trouble Codes
      description: Retrieves active diagnostic trouble codes (DTCs) from the vehicle's OBD-II system. Requires the read_diagnostics permission.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Diagnostic trouble codes
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DiagnosticCodes'
  /vehicles/{id}/permissions:
    get:
      operationId: getPermissions
      summary: Get Vehicle Permissions
      description: Lists all permissions granted for the vehicle.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Granted permissions
          content:
            application/json:
              schema:
                type: object
                properties:
                  permissions:
                    type: array
                    items:
                      type: string
  /vehicles/{id}/batch:
    post:
      operationId: batchRequests
      summary: Batch Vehicle Data Requests
      description: Sends multiple data requests in a single API call and returns all responses together, reducing round-trips.
      tags:
      - Vehicle Data
      parameters:
      - name: id
        in: path
        required: true
        schema:
          type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                requests:
                  type: array
                  items:
                    type: object
                    properties:
                      path:
                        type: string
                        description: Endpoint path to batch (e.g., /battery, /fuel)
      responses:
        '200':
          description: Batch response
          content:
            application/json:
              schema:
                type: object
                properties:
                  responses:
                    type: array
                    items:
                      type: object
components:
  schemas:
    Location:
      type: object
      properties:
        latitude:
          type: number
          description: GPS latitude coordinate
        longitude:
          type: number
          description: GPS longitude coordinate
      required:
      - latitude
      - longitude
    Odometer:
      type: object
      properties:
        distance:
          type: number
          description: Odometer reading in kilometers
      required:
      - distance
    DiagnosticCodes:
      type: object
      properties:
        activeCodes:
          type: array
          items:
            type: object
            properties:
              code:
                type: string
                description: OBD-II DTC code (e.g., P0300)
              timestamp:
                type: string
                format: date-time
    Vehicle:
      type: object
      properties:
        id:
          type: string
          description: Unique vehicle identifier
        make:
          type: string
          description: Vehicle manufacturer (e.g., Tesla, Ford)
        model:
          type: string
          description: Vehicle model name
        year:
          type: integer
          description: Vehicle model year
        vin:
          type: string
          description: Vehicle identification number
    EngineOil:
      type: object
      properties:
        lifeRemaining:
          type: number
          minimum: 0
          maximum: 1
          description: Engine oil life remaining as a decimal
      required:
      - lifeRemaining
    Battery:
      type: object
      properties:
        percentRemaining:
          type: number
          minimum: 0
          maximum: 1
          description: Battery charge level as a decimal (0.0 to 1.0)
        range:
          type: number
          description: Estimated remaining range in kilometers
      required:
      - percentRemaining
      - range
    ChargeStatus:
      type: object
      properties:
        isPluggedIn:
          type: boolean
          description: Whether the vehicle is currently plugged in
        state:
          type: string
          enum:
          - CHARGING
          - FULLY_CHARGED
          - NOT_CHARGING
          description: Current charging state
      required:
      - isPluggedIn
      - state
    Error:
      type: object
      properties:
        type:
          type: string
          description: Error category
        code:
          type: string
          description: Short error identifier
        title:
          type: string
          description: Human-readable error title
        detail:
          type: string
          description: Detailed error description
        status:
          type: integer
          description: HTTP status code
        resolution:
          type: string
          enum:
          - RETRY_LATER
          - REAUTHENTICATE
          - CONTACT_SUPPORT
        suggestedUserMessage:
          type: string
    Signals:
      type: object
      properties:
        battery:
          $ref: '#/components/schemas/Battery'
        charge:
          $ref: '#/components/schemas/ChargeStatus'
        location:
          $ref: '#/components/schemas/Location'
        odometer:
          $ref: '#/components/schemas/Odometer'
        fuel:
          $ref: '#/components/schemas/FuelTank'
    FuelTank:
      type: object
      properties:
        percentRemaining:
          type: number
          minimum: 0
          maximum: 1
          description: Fuel level as a decimal
        amountRemaining:
          type: number
          description: Fuel remaining in liters
        range:
          type: number
          description: Estimated remaining range in kilometers
      required:
      - percentRemaining
  securitySchemes:
    BearerAuth:
      type: http
      scheme: bearer
      description: OAuth 2.0 access token obtained via Authorization Code or Client Credentials flow