Evolution API Open-source WhatsApp integration API supporting Baileys (WhatsApp Web) and official WhatsApp Business API (Cloud API). Built with Node.js + TypeScript + Express.js + Prisma. Authentication All requests use the header. Two levels of keys exist: - Global API Key : Set via env var. Has full access to all instances. - Instance Token : Per-instance key returned on creation. Scoped to that instance only. Every request follows this pattern: Instance Lifecycle Create Instance Response (201): The field accepts: - — Free, based on WhatsApp Web (Baileys library) - — Official Meta Cloud API…