> ## Documentation Index > Fetch the complete documentation index at: https://docs.connectedfleet.michelin.com/llms.txt > Use this file to discover all available pages before exploring further. # Tire Pressure Events > Get historical tire pressure measurements and inspection data for a specific vehicle and Identifier of a vehicle. Retrieve data within a specified date range with optional pagination. The default date range is 30 days if not specified. Returns detailed pressure readings, temperature data, and sensor information for each tire on the vehicle. ## OpenAPI ````yaml /api-reference/smarttire.json get /public/v1/customer/{customerId}/asset/{assetId}/tire/pressure/history openapi: 3.0.1 info: title: public-api description: Public API Gateway version: '2025-12-17T15:30:00.000Z' servers: - url: https://public-api.masternautconnect.com/ security: [] paths: /public/v1/customer/{customerId}/asset/{assetId}/tire/pressure/history: summary: Tire Pressure API get: tags: - /tire summary: Tire Pressure Events description: >- Get historical tire pressure measurements and inspection data for a specific vehicle and Identifier of a vehicle. Retrieve data within a specified date range with optional pagination. The default date range is 30 days if not specified. Returns detailed pressure readings, temperature data, and sensor information for each tire on the vehicle. parameters: - name: customerId in: path required: true schema: type: string - name: assetId description: Identifier (alphanumeric) of a vehicle. in: path required: true schema: type: string - name: startDate description: >- Only events occurring on or after this date will be included in the response. If not provided, defaults to 30 days ago. in: query required: false schema: type: string - name: endDate description: >- Only events occurring before this date will be included in the response. If not provided, defaults to the current date and time. The endDate must be after the startDate. in: query required: false schema: type: string - name: pageIndex description: >- Specifies the pagination page index. Pages are zero indexed, i.e. the first page has an index value of zero. in: query required: false schema: type: number example: 1 - name: pageSize description: >- Specifies the number of items to include on a page. Must be specified if pageIndex has been specified. in: query required: false schema: type: number example: 50 responses: '200': description: 200 response content: application/json: schema: $ref: '#/components/schemas/GetTirePressureResponse' '400': description: 400 response, bad request content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '401': description: 401 response, not authorized or no valid token content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' '403': description: 403 response, Forbidden don't have access to the feature content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' security: - stAuthorizer: [] components: schemas: GetTirePressureResponse: type: object allOf: - $ref: '#/components/schemas/PaginationInfo' - type: object properties: data: type: object properties: asset: $ref: '#/components/schemas/VehicleAsset' events: type: array items: type: object properties: eventDate: type: string format: date-time description: >- Date of the tire pressure event, in UTC, in format of YYYY-MM-DDThh:mm:ss speedKph: type: number example: 80 description: >- Speed of the vehicle in kilometers per hour (kph) at the time of the tire pressure event. tires: type: array items: type: object properties: position: $ref: '#/components/schemas/TirePosition' positionIdentifier: type: string description: Unique identifier for the tire position. alertBattery: type: boolean description: >- Indicates if there is a battery alert for the tire. alertPressure: type: number example: 2 description: >- Indicates the type of pressure alert for the tire. Possible values are: 0 (No Alert), 2 (Moderate Pressure Alert), 3 (Critical Pressure Alert). alertTemp: type: boolean description: >- Indicates if there is a temperature alert for the tire. pressure: type: number example: 800000 description: Measured tire pressure in pascals (Pa). status: type: string description: Status of the tire sensor. temperature: type: number example: 45 description: >- Tire temperature in degrees Celsius (°C) at the time of the event. normalizedPressure: description: >- Tire pressure adjusted to a reference temperature of 20°C, in pascals (Pa). type: number example: 790000 ErrorResponse: type: object properties: errorCode: type: number errorMessage: type: string required: - errorCode - errorMessage PaginationInfo: type: object properties: pageIndex: type: number example: 0 description: The current page index (zero-based). pageSize: type: number example: 25 description: The number of items per page. totalPages: type: number example: 10 description: The total number of pages available. totalCount: type: number example: 250 description: The total number of items available. resultCount: type: number example: 25 description: The number of items returned in the current response. hasNextPage: type: boolean description: Indicates if there is a next page available. VehicleAsset: type: object description: >- Basic vehicle identification information. This object exclusively represents static asset-level attributes such as ID, name, registration, and VIN, and does not include any dynamic tire inspection data such as pressure, wear, or temperature. properties: id: type: string description: Unique identifier of the vehicle name: type: string description: Name of the vehicle registration: type: string description: >- The raw vehicle registration string, typically reflecting how it was originally provided. This field is not guaranteed to follow a standardized format and is intended for reference purposes only. For consistent identification and integration with external systems, use 'formattedRegistration' instead. formattedRegistration: type: string description: >- The formatted vehicle registration used in MyCF as the 'serialNumber'. Third-party systems using the Smart Tire Public API can use this field to map vehicles to their corresponding entries in their own systems. vin: type: string required: - id - name TirePosition: type: object properties: axleNumber: type: number example: 2 description: >- The number of the axle on the vehicle, starting from 1 for the front axle. tireCount: type: number example: 4 description: Total number of tires on the axle. tireNumber: type: number example: 2 description: >- The number of the tire on the axle, starting from 1 on the right side when facing forward. securitySchemes: stAuthorizer: type: apiKey name: Authorization description: >- Authorization header containing a Bearer token of the form Bearer [token], where [token] is a JWT used to authorize the request in: header x-amazon-apigateway-authtype: Custom authorization scheme using Masternauth x-amazon-apigateway-authorizer: type: request identitySource: method.request.header.Authorization, context.identity.sourceIp authorizerCredentials: arn:aws:iam::${aws_account}:role/mn_st_public_api_invoke_lambda_role authorizerUri: >- arn:aws:apigateway:eu-west-2:lambda:path/2015-03-31/functions/arn:aws:lambda:eu-west-2:${aws_account}:function:mn_st_public_api_masternauth_authorizer_lambda_${env}/invocations authorizerResultTtlInSeconds: 300 ````