/ics/v3/payments/{paymentProduct}/{paymentId}/authorize

Gets the authorization URL for the specified paymentId after initiating a payment when SCA is required. Note that x-psu-ip-address is required for Swedish Banks and Handelsbanken Finland.

Response Structure:

• For single payments: The response includes paymentIds array in the meta object
• For batch payments (paymentProduct = 'batch-transfer'): The response includes batchPayments array in the meta object with paymentId to referenceId mapping

Note for Batch Payments: When paymentProduct is 'batch-transfer', the paymentId parameter should be the batchId returned from the batch payment initiation.