Bf Waba Expert · bflabsai bundle Full Meta WhatsApp Cloud API (WABA) senior integration expert — direct Graph API v26.0 (no BSP, no MCP). Covers sending all message types (text, media, interactive buttons/lists, catalog, flows, templates, reactions, location, contacts), webhook setup with HMAC-SHA256 verification and anti-XSS challenge handling, System User Tokens, 24h service windows, per-message pricing model, Flow JSON 7.3, Coexistence, automated diagnostics with --fix, and resolving the 3 silent failure modes (WABA unsubscribed, missing webhook fields, token asset assignment, opaque error codes). Includes production Node.js/TypeScript and Python boilerplates. Triggers on any mention of WhatsApp Cloud API, WABA, Meta Graph API WhatsApp, WhatsApp webhooks, templates, messaging, or troubleshooting silent WhatsApp delivery failures.
