ESP32: push notifications with ntfy.sh, self-hosted
Send push notifications from an ESP32 to your phone with ntfy.sh. One HTTP POST, no cloud account, and the server can live on your own Raspberry Pi.
Tag
#http
4 tutorials
ESP32: HTTP server in depth, routing, JSON APIs, and async handlers
Build a real HTTP API on the ESP32. Route by path, handle GET vs POST, parse JSON bodies, serve JSON responses, and use async handlers when the request rate goes up.
ESP32: TLS in depth, root CAs, and validating real certificates
Move past setInsecure() and the WiFiClientSecure default that ships in every HTTPS example. Bundle root CAs, validate chains, and pin fingerprints on the ESP32.
ESP32: send HTTPS requests with root CA validation
Make the ESP32 talk to real APIs over HTTPS, with proper TLS validation. The right way to send sensor data to a cloud service.