Api
13 artikels over api — praktische gidsen en best practices voor WhatsApp-automatisatie.
Send WhatsApp Messages from Mailchimp or ActiveCampaign via Webhooks
Trigger a WhatsApp message when a Mailchimp or ActiveCampaign automation fires — webhook payloads, signature checks and a working code example.
WhatsApp alerts for CI/CD failures and uptime monitoring
Get a WhatsApp message the instant a deploy fails or a server goes down — wire GitHub Actions and uptime monitors straight into the TextMeFlow messaging API.
Common WhatsApp API Errors and What They Actually Mean
A field guide to TextMeFlow API errors — 401, 400 invalid_recipient, 409 session errors, 413 media limits and 429 — what each means and how to fix it.
Stop 400 invalid_recipient Errors — Validating Phone Numbers Before You Send
How to validate phone numbers to E.164 before calling the WhatsApp API, catching bad numbers early instead of a 400 invalid_recipient and a risk-score hit.
Building a Laravel Notification Channel for WhatsApp with TextMeFlow
Add WhatsApp as a first-class Laravel notification channel using the TextMeFlow API — queued jobs, retries, and a webhook route for delivery status.
Formatting WhatsApp messages via API: bold, italics, lists and line breaks
WhatsApp renders a small set of markdown characters as real formatting. How to use bold, italics, strikethrough and lists in API messages via TextMeFlow.
How WhatsApp Pairing Works on textmeflow: QR Codes, Polling and Re-Pairing
A practical walkthrough of the QR-pairing flow that links your WhatsApp number to textmeflow, including status polling, re-pairing and multi-device limits.
Send WhatsApp Messages from Airtable Automations — No Extra Tools
Trigger a WhatsApp message straight from an Airtable Automation when a record changes — no Zapier or Make needed, just a script step and an API key.
Handling rate limits and message status in the TextMeFlow API
How to handle 429 responses, back off correctly and poll message status with the TextMeFlow API — a practical guide with retry code for Node and Python.
Welke WhatsApp-webhookevents stuurt TextMeFlow? Een overzicht
message.received, message.delivered, session.connected en meer — welke webhookevents TextMeFlow stuurt, wat elke payload bevat en hoe je erop reageert.
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.
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.
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.