API

How student developers can test a mobile app backend from any building on campus: local vs cloud vs hybrid setups, secure tunnels through campus Wi-Fi, a repeatable testing workflow, and the network, auth, and configuration bugs that only appear away from the lab.

A technical deep-dive into webhooks: what they are, how they work, how to build a secure receiver with HMAC signature validation, handle retries idempotently, and test locally during development.

Learn how to set up and test PayPal webhooks locally using Pinggy. Step-by-step guide for creating a webhook listener, configuring PayPal sandbox, and testing webhook events.

Understand the key differences between webhooks and APIs, their use cases, and when to choose each for your application. Complete guide with examples and best practices.

Learn how to set up and test Discord bot webhooks to receive real-time updates. Step-by-step guide for creating webhook server and exposing with Pinggy.

Learn how to set up and test Telegram bot webhooks to receive real-time updates from users. Step-by-step guide for webhook server and Pinggy integration.