Flexible API

Connect Rasil to any system in minutes.

One API that sends across all your channels — WhatsApp, Instagram, Messenger and SMS. Connect your store or management system and send messages and notifications automatically, without complexity.

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POST /developer/api/v2/messages

curl https://api.rasil.io/developer/api/v2/messages \
  -H "Authorization: Bearer rsl_live_••••" \
  -H "Content-Type: application/json" \
  -d '{
    "inbox_id": "INBOX_ID",
    "to": "+2010•••••••",  // E.164 or WhatsApp BSUID
    "text": "Welcome to our store 👋"
  }'▋

How it works

Three steps to full integration

Get an API key

Create an API key from your Rasil dashboard in one click — secure and revocable anytime.

Connect your system

Use our ready libraries or call the API directly, and set up webhooks to receive updates.

Send on any channel

Pick the channel (WhatsApp, Instagram, Messenger or SMS) and send your messages and alerts automatically.

What you can build

Automate your communication around every event

Store notifications

Order confirmations, shipping and abandoned carts, automatically.

Automated alerts

Remind customers about appointments and payments on time.

CRM sync

Sync contacts and conversations with your system.

Workflow automation

Trigger messages whenever an event happens in your systems.

Ready-made integrations with your favorite platforms

Or connect any other system via the API and webhooks.

WordPress

Shopify

Salla

zid

Zid

OpenCart

Postman

Ready to connect Rasil to your system?

Get an API key and start sending across all your channels in minutes.

Start free Developer docs