WAHA is a self-hosted WhatsApp HTTP API that can be set up on your server in under five minutes, provided you have Docker installed. The guide details steps for sending your first text message via the API, including session management, QR code scanning, and example payloads for message sending.

A TypeScript framework for WhatsApp's Official API allows developers to create a WhatsApp bot by utilizing npm to install the module. It covers the setup process for obtaining API tokens, webhook configuration, and provides sample code for handling different message types and responses. Additional resources include documentation for various environments and contribution guidelines for enhancing the library.