{"product_id":"n8n-whatsapp-group-moderation-via-wafly-webhook-block-spam-links","title":"n8n WhatsApp Group Moderation via Wafly Webhook: Block Spam Links","description":"\u003ch3\u003eBlock WhatsApp link spam automatically—using an n8n workflow with a Wafly webhook\u003c\/h3\u003e\n\u003cp\u003eThis n8n automation moderates your WhatsApp groups by auto-approving join requests, sending welcome messages to new members, and removing disallowed link spam posted by non-admins—based on an allowed-domain list.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives WhatsApp group events via a Wafly webhook\u003c\/strong\u003e, using the incoming payload from Wafly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoads your configuration\u003c\/strong\u003e, including:\n    \u003cul\u003e\n      \u003cli\u003ean admin phone list (to verify who is allowed to post links)\u003c\/li\u003e\n      \u003cli\u003ean allowed-domain list (domains that are permitted)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto-approves membership\u003c\/strong\u003e: when an approval request arrives, it approves the participant through Wafly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSends welcome messages\u003c\/strong\u003e: when a new member joins, it sends a welcome message via Wafly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScans group messages for URLs\u003c\/strong\u003e: on each group message, it checks whether the sender is an admin and evaluates each link’s domain against the allowlist.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDeletes disallowed spam from non-admins\u003c\/strong\u003e: if a non-admin posts links with disallowed domains, the workflow deletes the message via Wafly and posts a short explanation in the group.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eProtect community WhatsApp groups from phishing and spam links while keeping admin posting unrestricted.\u003c\/li\u003e\n  \u003cli\u003eReduce manual admin workload by automatically approving join requests and welcoming new members.\u003c\/li\u003e\n  \u003cli\u003eEnforce posting policies for communities that only allow links to specific websites or services.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCore integration\u003c\/strong\u003e: \u003cstrong\u003en8n-nodes-wafly\u003c\/strong\u003e (Wafly webhook + Wafly actions to approve, send messages, and delete spam).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWorkflow logic nodes\u003c\/strong\u003e: \u003cstrong\u003eif\u003c\/strong\u003e, \u003cstrong\u003eset\u003c\/strong\u003e, \u003cstrong\u003ecode\u003c\/strong\u003e, \u003cstrong\u003eswitch\u003c\/strong\u003e, \u003cstrong\u003eno op\u003c\/strong\u003e (used to drive moderation decisions and message handling).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetup highlights\u003c\/strong\u003e: self-host n8n, create a Wafly API credential for a group-admin number, register the \u003cstrong\u003ewebhook Production URL\u003c\/strong\u003e, then update admin phone numbers and allowed domains in the configuration.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45962070360243,"sku":"N8N-19206","price":50.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/9WzKfR63hQeWZUE39G3B3_AGZTUf61.png?v=1788599634","url":"https:\/\/buyflowscripts.com\/products\/n8n-whatsapp-group-moderation-via-wafly-webhook-block-spam-links","provider":"N8N Commerce","version":"1.0","type":"link"}