jm 3'õ«©ÈæZoq(5ónÅ]À=úMÇ"¾LHere's an example implementation combining the two (not mine, not tested): https://github.com/bumi/api-payments-example/blob/master/README.md
https://whatsonchain.com/tx/b4cd0b354069ba883b31a351fe2e3e40c5d3c7be0c242c87ae0eef89dc8d19cb