Developer API integrate anything
Turn WhatSender into a local WhatsApp server. POST messages from WooCommerce, Zapier, Python scripts, or your CRM via REST on port 8080 — with webhooks for delivery and inbound events.
Everything you need to get started
Follow these steps in WhatSender Pro to activate this feature in minutes.
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Settings → Developer → Generate API key.
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Start REST server — default localhost:8080.
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POST /api/v1/send with Bearer token, number, and message body.
Step-by-step guide
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01
Generate API key
Settings → Developer → copy Bearer token.
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02
Start local server
rest_api_server.sys listens on configurable port.
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03
Send via HTTP
POST number, message, optional media URL.
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04
Register webhooks
Callbacks for delivered, read, inbound, opt-out.
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05
Integrate apps
WooCommerce order alerts, CRM lead notify, custom scripts.
How this helps your business
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Automate order alerts
E-commerce sends WA on every purchase.
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Custom workflows
Python cron jobs trigger WA from your database.
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No cloud middleware
API runs on your PC next to WhatsApp session.
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Webhook-driven CRM
Inbound WA messages create tickets automatically.
Best practices
- Restrict API to localhost unless you need LAN access.
- Rotate API keys quarterly.
- Log requests during integration testing.