77Network & protocols

Webhook

When an event happens, the server pushes data to a URL you configured, so you do not have to poll.

For example

After a user pays, the system notifies my server through a webhook.

Resources

Copy prompt

Write a webhook handler that verifies the signature and handles retries safely.

Related terms

The base protocol for sending data over the internet; it defines how client and server talk.

For example

When I type a URL in the browser, I am sending a request to the server over HTTP.

The data and instructions a client sends to a server, usually with a URL, method and parameters.

For example

I send a request to the server to get today's word list.

The data and result the server returns after receiving a request.

For example

The server returns a JSON response containing the word and its meaning.