Hello, We have some troubles with retrieving payment and payment status. According to docs the only required header is Ocp-Apim-Subscription-Key and no body is expected. Following request results with error "code":"CERTIFICATE_MISSING" Request: Url: GET https://api-xs2a-sandbox.vanlanschot.com/xs2a/pis/v1/payments/sepa-credit-transfers/77835765-11df-4ee2-9780-7123dbd4034c/status Headers: [Ocp-Apim-Subscription-Key:"XXX"] Body: null Response: {"code":"CERTIFICATE_MISSING","type":"https://berlingroup.com/error-codes/CERTIFICATE_MISSING","title":"Missing in: QSEAL","statusCode":401} After adding qseal certificate to the request and creating Signature, we are getting {"code":"SIGNATURE_INVALID","type":"https://berlingroup.com/error-codes/SIGNATURE_INVALID","title":"Digest incorrect","statusCode":401} Calculating Digest is not possible as there's no body. What extra headers are required for "Get payment information request" and "Get payment status request"? What headers should be signed for get requests without body? Thanks for the support.

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