{"product_id":"n8n-webhook-to-send-pdf-via-whatsapp-with-supergreen","title":"n8n Webhook to Send PDF via WhatsApp with Supergreen","description":"\u003ch3\u003eSend a PDF to WhatsApp automatically—triggered by an n8n webhook and delivered via Supergreen\u003c\/h3\u003e\n\u003cp\u003eThis n8n workflow listens for incoming HTTP POST requests on the \u003cstrong\u003e\/send-invoice\u003c\/strong\u003e webhook endpoint and then sends a document (e.g., a PDF) to the specified phone number using \u003cstrong\u003eSupergreen WhatsApp\u003c\/strong\u003e. Perfect for automating document delivery without manual copying and sending.\u003c\/p\u003e\n\n\u003ch3\u003eWhat this workflow does\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceives a webhook request\u003c\/strong\u003e via HTTP POST to \u003cstrong\u003e\/send-invoice\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eReads the request payload for:\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003efileUrl\u003c\/strong\u003e (the URL of the document to send)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003erecipientPhone\u003c\/strong\u003e (target phone number)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003ecaption\u003c\/strong\u003e (optional)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003efilename\u003c\/strong\u003e (optional)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFetches the file from fileUrl\u003c\/strong\u003e and sends it as a \u003cstrong\u003eWhatsApp document\u003c\/strong\u003e through \u003cstrong\u003eSupergreen\u003c\/strong\u003e to \u003cstrong\u003erecipientPhone\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomate sending \u003cstrong\u003ePDF invoices\u003c\/strong\u003e to customers right after another system confirms payment.\u003c\/li\u003e\n  \u003cli\u003eDeliver \u003cstrong\u003equotations, tickets, or statements\u003c\/strong\u003e via WhatsApp when an internal approval process completes.\u003c\/li\u003e\n  \u003cli\u003eProvide a simple webhook-based document delivery option for a SaaS admin panel—users submit a file URL and recipient number.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWebhook node\u003c\/strong\u003e: exposes the endpoint \u003cstrong\u003e\/send-invoice\u003c\/strong\u003e and accepts POST JSON payloads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupergreen integration\u003c\/strong\u003e: uses \u003cstrong\u003en8n-nodes-supergreensupergreen\u003c\/strong\u003e to send a WhatsApp document using the provided \u003cstrong\u003efileUrl\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetup\u003c\/strong\u003e: add your \u003cstrong\u003eSupergreen API credentials\u003c\/strong\u003e in n8n, then use the \u003cstrong\u003eproduction webhook URL\u003c\/strong\u003e in your source system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBring WhatsApp document delivery into your automation stack with an n8n Webhook + Supergreen workflow—fast, targeted, and triggered by your API calls.\u003c\/p\u003e","brand":"N8N Commerce","offers":[{"title":"Default Title","offer_id":45994976084147,"sku":"N8N-19434","price":6.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0749\/6279\/6723\/files\/sKWg_ZN_YjSlE9389HhE6_yVEmS6JB.png?v=1789031042","url":"https:\/\/buyflowscripts.com\/products\/n8n-webhook-to-send-pdf-via-whatsapp-with-supergreen","provider":"N8N Commerce","version":"1.0","type":"link"}