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If you have trouble registering and logging in: write to


The above support mailbox is the preferred channel for all support requests..


A prerequisite for support as a Third Party Provider (TPP): you must either be approved as a TPP or in process for approval at the national authorities.


To help us assist you analyzing and debugging connection issues, if possible please provide us the following information:



•  Source IP address of the requests
• The full URL you're calling
• A copy/dump of request and response - headers + payload. Sensitive information should be redacted.
• Timestamp of the request(s)
• Expected result
• Details about your QWAC + QSeal certificates
• Code snippet/test case to reproduce the request.