Looks like your URL might be off too, check what this guy uses: Enqueueing a downlink via v4 REST API .
I’ve never used REST before so I can’t offer much help besides that, just noticed that devEUI was missing from the packet.
Looks like your URL might be off too, check what this guy uses: Enqueueing a downlink via v4 REST API .
I’ve never used REST before so I can’t offer much help besides that, just noticed that devEUI was missing from the packet.