Examples

All examples are available in the examples/ directory and can be opened directly from the Arduino IDE via File → Examples → ESP32-HTTP-Client.

Example	Description
CRUD Operations	Full suite of REST methods (GET, POST, PUT, PATCH, DELETE) in a single sketch.
Struct <-> JSON	Bi-directional C++ struct to JSON serialization and deserialization.
URL Parameters	Dynamic path parameter replacement (/users/{id}) and query parameters.
Authentication	Authenticating requests using Bearer / JWT, HTTP Basic Auth, and API Key headers.
Callbacks & Errors	Request callbacks, timeouts, automatic retries, error handling, and runtime URL change.
Nested JSON	Extracting deeply nested fields using dot-notation paths.
Array JSON	Addressing specific elements of a JSON array by index.
Raw JSON	Capturing entire objects or sub-arrays into an Arduino String.
Unix Timestamp	Fetching a long Unix timestamp from a time API.
Custom Port	Connecting to a server running on a non-standard port.