Api

21 artikels over api — praktische gidsen en best practices voor WhatsApp-automatisatie.

· 5 min en

Send WhatsApp Messages from Ruby on Rails with the TextMeFlow API

A practical Ruby/Rails guide to the TextMeFlow API — sending WhatsApp messages with Net::HTTP, retrying on 429, and verifying signed webhooks with OpenSSL.

· 4 min en

Send WhatsApp Messages from Retool — Internal Tools and Support Consoles

Add a WhatsApp send button to your Retool internal app or support dashboard in minutes using a REST API resource — no extra automation platform needed.

· 3 min en

Send WhatsApp Messages from Go (Golang) — API Client and Webhook Example

A practical Go guide to the TextMeFlow API: sending WhatsApp messages with net/http, handling 429 rate-limit retries, and verifying inbound webhook signatures.

· 4 min en

WhatsApp Webhook Retries and Idempotency — Why You Need an Event-Id Check

textmeflow retries failed webhook deliveries up to 5 times. Learn the retry schedule and how to use the Event-Id header to avoid processing the same WhatsApp message twice.

· 2 min nl

WhatsApp-berichten personaliseren per ontvanger via de API

Geen Meta-templates, geen vaste tekstblokken — bouw de berichttekst per ontvanger zelf op. Praktische aanpak met code, plus waarom dit je risk-score helpt.

· 4 min en

Handling Incoming Photos, Documents and Voice Notes from WhatsApp Webhooks

Customers send more than text — photos of damage, signed PDFs, voice notes. How to detect, download and store incoming media from TextMeFlow's webhook.

· 4 min nl

WhatsApp-berichten opmaken via de API — vetgedrukt, cursief en lijsten

WhatsApp herkent een klein setje opmaaktekens in platte tekst. Hoe je met de TextMeFlow-API vetgedrukt, cursief en lijsten gebruikt in bevestigingen en herinneringen.

· 5 min en

Testing Your WhatsApp Integration with cURL and Postman Before You Go Live

Validate your TextMeFlow WhatsApp API integration with plain cURL and Postman before writing a line of application code — pairing, sending, status, errors.

· 2 min en

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.

· 4 min en

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.

· 4 min en

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.

· 2 min en

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.

· 1 min en

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.

· 4 min en

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.

· 4 min en

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.

· 4 min en

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.

· 2 min en

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.

· 4 min nl

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.

· 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.

· 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.

· 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.