Technical description of the error (not intended for end-user display).
String or null
For relevant errors, an optional message from the institution website or API that can be presented to an end-user. These messages usually bring details or instructions that complement the error code, but they are not translated.
Integer or null
Unique ID of the request (which could be used for audit).
Common error codes
For all services in relation with a sub-connection resource, this error indicates that the connection is in a readonly state.
A required parameter was omitted in the request.
The request is invalid, because of an unacceptable parameter or body property. Details are provided in the description.
An API endpoint was called with an unsupported HTTP method.
An internal error occurred.
Additional codes may be used or added in the future. When implementing error handling, always fallback to a generic case for unknown codes.