// Tutorials, comparisons, and guides for building with the WhatsApp API
Learn to send WhatsApp messages programmatically using Python. Covers the WSAPI REST API with requests, message types, webhooks, and building an auto-reply bot.
Step-by-step guide to building a WhatsApp chatbot with Node.js, Express, and the WSAPI REST API. Covers webhooks, conversation state, media responses, and deployment.
Compare WhatsApp API pricing across WSAPI, Twilio, Meta Cloud API, 360dialog, and WAHA. Includes cost scenarios for 100, 1K, and 10K messages per day.
An honest comparison of self-hosted and cloud-hosted WhatsApp API solutions. Covers cost, security, scalability, compliance, and when to choose each approach.
Set up WhatsApp webhooks and SSE for real-time message processing. Covers Express and FastAPI receivers, event types, signature verification, and production best practices.