APT.MobileAPI
  • Home
  • Getting Started
  • Sequences
  • Transaction Events
  • Error Codes

APT.MobileAPI Error Codes


In the event of an error the APT.MobileAPI will return an HTTP status code. The table below details how these HTTP status codes relate to errors you may encounter using the APT.MobileAPI.


HTTP Status CodeHTTP DescriptionAPT.MobileAPI DescriptionAPT.MobileAPI Reason
400

BadRequest

Request cannot be null

The request data is empty or invalid

403

Forbidden

Invalid Customer Key

The Customer Key is invalid

403

Forbidden

Invalid API Key

The API Key is invalid or expired

404

NotFound

Facility unavailable

The parking facility is not connected to the Bridge application. If this issue persists please contact APT SKIDATA

405

MethodNotAllowed

Function not permitted at this facility

The API Key you are using is not authorised to perform this function

406

NotAcceptable

The format of barcode content is not recognised

The API Key you are using is not authorised to perform this function

408

RequestTimeout

Request timed out

The parking facility did not respond to the request. If this issue persists please contact APT SKIDATA

412

PreconditionFailed

Ticket not present

The ticket used in the request is incorrect, or is no longer present in the parking facility

417

ExpectationFailed

Error generating new API Key

An internal error has occurred. If this issue persists please contact APT SKIDATA

500

InternalServerError

An error occurred while processing the request

An unexpected error occured. If this issue persists please contact APT SKIDATA

502

BadGateway

No connection to bridge

The web application is not connected to the Bridge application. If this issue persists please contact APT SKIDATA

503

ServiceUnavailable

Facility database offline

The parking facility database is offline. If this issue persists please contact APT SKIDATA


© 2025 - APT SKIDATA LTD