CoAP: 2,188,380 answers for a protocol designed to be spoken to by anything A ZoomEye query for service="coap" returned 2,188,380 matches on 28 October 2026. CoAP is the Constrained Application Protocol, standardised as RFC 7252 in 2014, and it was built for devices that cannot afford TLS handsh...
Source: [Dev.to](https://dev.to/jeffreyciend/coap-2188380-answers-for-a-protocol-designed-to-be-spoken-to-by-anything-28a1)