VOP requests can fail. When this is the case, their status is set failed and failure_code and status_details are added for additional context.

Outgoing requests

Failure code	Status details
business_error	identification type is not supported by party agent
	party agent is not a participant
	additional information not supported by party agent
technical_error	there was an error processing the request, please contact the support.
psp_technical_error	missing response timestamp in header
	invalid response timestamp in header
	missing or mismatched request ID in header
	invalid content type in header
	failed to parse error response
	non standard error response
	PSP took more than 5 seconds to respond
	responding PSP responded with a 500 - internal server error
	responding PSP responded with an invalid request format error
	responding PSP responded with a client invalid / unrecognized error
	responding PSP responded with a client inconsistent error
	responding PSP responded with a timestamp invalid error
	responding PSP responded with an unknown error
	PSP returned invalid response, PartyNameMatch and PartyIDMatch are empty
	PSP returned invalid response, both PartyNameMatch and PartyIDMatch are set
	PSP returned invalid response, PartyIDMatch is set for 'name' request
	PSP returned invalid response, PartyNameMatch is empty for 'name' request
	PSP returned invalid response, PartyNameMatch is set for … request
	PSP returned invalid response, PartyIDMatch is empty for … request
	PSP returned close match but no matched name
	PSP returned close match but suggested name is too long
	PSP returned invalid response value for partyNameMatch
	PSP returned invalid response value for partyIdMatch

Incoming requests

Error code	Status details
business_error	client response identification type mismatch: expected ..., got ...
technical_error	There was an error processing the request, please contact the support.