Integration

3 artikels over integration — praktische gidsen en best practices voor WhatsApp-automatisatie.

23 jul. 2026 · 4 min en

Sending photos, invoices and documents over WhatsApp via API

How to attach images, PDFs and other files to WhatsApp messages with TextMeFlow's API — one extra field, up to 100 MB, still counts as a single message.

15 jul. 2026 · 4 min en

Verifying WhatsApp webhook signatures — HMAC, retries and idempotency

How to correctly verify TextMeFlow's HMAC-SHA256 webhook signatures, handle retries safely and avoid processing duplicate WhatsApp replies twice.

14 jul. 2026 · 1 min en

Send WhatsApp messages from PHP, Python or Node.js — code examples

Copy-paste code to send WhatsApp messages from PHP, Python and Node.js using the TextMeFlow API — one POST request, no Meta Business account required.