{"product_id":"build-an-sms-gateway-in-n8n-with-rcszilla-webhook-integration","title":"Build an SMS Gateway in n8n with RCSZilla Webhook Integration","description":"\u003cp\u003eTransform your n8n instance into a powerful SMS gateway with this comprehensive workflow that integrates RCSZilla for reliable message delivery. This automation creates a webhook-based API endpoint that accepts SMS requests from your existing business applications and routes them through RCSZilla's messaging infrastructure.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cp\u003eThe workflow operates as a complete SMS gateway service within n8n:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReceives POST requests through a dedicated webhook endpoint\u003c\/li\u003e\n\u003cli\u003eAccepts essential parameters: recipient phone number, message content, consent verification, and optional metadata\u003c\/li\u003e\n\u003cli\u003eAutomatically normalizes phone numbers to ensure proper formatting\u003c\/li\u003e\n\u003cli\u003eDefaults messaging channel to SMS while supporting both SMS and WhatsApp delivery\u003c\/li\u003e\n\u003cli\u003eValidates all required fields including phone number, message body, consent status, and channel validity\u003c\/li\u003e\n\u003cli\u003eQueues approved messages through the RCSZilla messaging service\u003c\/li\u003e\n\u003cli\u003eReturns structured JSON responses indicating whether requests were successfully queued or rejected with error details\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cp\u003ePerfect for businesses requiring automated SMS capabilities:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCRM systems sending appointment confirmations and follow-up messages\u003c\/li\u003e\n\u003cli\u003eE-commerce platforms delivering order status updates and shipping notifications\u003c\/li\u003e\n\u003cli\u003eBooking applications confirming reservations and sending reminders\u003c\/li\u003e\n\u003cli\u003eSupport desks providing ticket updates and resolution notifications\u003c\/li\u003e\n\u003cli\u003eInternal applications requiring consent-based SMS communication\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cp\u003eThis workflow leverages key n8n nodes and integrations:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWebhook node:\u003c\/strong\u003e Creates the API endpoint for receiving SMS requests\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRCSZilla community node:\u003c\/strong\u003e Handles message queuing and delivery through RCSZilla service\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCode node:\u003c\/strong\u003e Processes phone number normalization and validation logic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIF node:\u003c\/strong\u003e Manages conditional routing based on validation results\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRespond to Webhook node:\u003c\/strong\u003e Returns formatted JSON responses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eRequires the \u003ccode\u003en8n-nodes-rcszilla\u003c\/code\u003e community package, active RCSZilla account with API token, and either a connected Android device or configured provider route for message delivery.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45499487518899,"sku":"N8N-15578","price":5.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/VPvZFvu05mk--C_hzebp_f187ff9b5d804eefba19da0d729b5b69.jpg?v=1778404048","url":"https:\/\/buyflowscripts.com\/products\/build-an-sms-gateway-in-n8n-with-rcszilla-webhook-integration","provider":"N8N Commerce","version":"1.0","type":"link"}