Create a payment link. The provider is not contacted until the payer opens it, so a link can be minted before a processor is connected (it then offers IBAN + EPC QR). Honours Idempotency-Key. (scope: payments:write)

curl -X POST "https://example.com/payment-links" \  -H "Content-Type: application/json" \  -d '{    "amount": 1,    "currency": "str",    "description": "string"  }'

{  "data": {    "id": "497f6eca-6276-4993-bfeb-53cbbbba6f08",    "token": "string",    "url": "http://example.com",    "qr_url": "http://example.com",    "expires_at": "2019-08-24T14:15:22Z"  },  "error": null}