{ "name": "Issue Rivhit receipts from WhatsApp photos using Google Vision and GPT-4o", "nodes": [ { "id": "74c4a220-ac0d-4b39-8d76-b3af3fca983f", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ -768, -144 ], "parameters": { "width": 420, "height": 620, "content": "## WhatsApp AI Receipt Agent\n**Automatically issue receipts from invoice & payment photos**\n\n### Who is it for\nSmall businesses using Rivhit accounting + WhatsApp for field payment collection.\n\n### Ho" } }, { "id": "baffd3fe-4025-4478-bb38-267948a96e64", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [ -320, 192 ], "parameters": { "width": 520, "height": 280, "content": "### 1. Webhook & Filtering\nReceives incoming WhatsApp messages via WAHA and filters to only process messages from the designated bot group." } }, { "id": "fb257df8-fdd3-4684-a77c-ba16b28ca5f6", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [ 352, 128 ], "parameters": { "width": 560, "height": 280, "content": "### 2. OCR & Message Preparation\nIf the message contains an image → extract text using Google Vision OCR.\nThe extracted text is then appended to the courier's message so the AI Agent can read it." } }, { "id": "143cd48b-5a08-4b83-864f-9b22781f3e0d", "name": "Sticky Note3", "type": "n8n-nodes-base.stickyNote", "position": [ 992, 80 ], "parameters": { "width": 620, "height": 320, "content": "### 3. AI Agent + Rivhit API Tool\nThe AI Agent reads conversation history, extracts invoice/payment details, and calls the Rivhit API tool to:\n- Issue receipts (cash, check, credit, transfer, multiple" } }, { "id": "454ca326-846b-4e81-8ebc-5e1e3ef85658", "name": "Sticky Note4", "type": "n8n-nodes-base.stickyNote", "position": [ 1760, 80 ], "parameters": { "width": 520, "height": 280, "content": "### 4. Response Delivery\nIf a document (PDF) was generated → send it as a file attachment with a caption.\nOtherwise → send a text-only reply." } }, { "id": "2208a531-5d3d-4a71-9912-efbf33102811", "name": "Sticky Note5", "type": "n8n-nodes-base.stickyNote", "position": [ 1296, -48 ], "parameters": { "width": 300, "height": 120, "content": "⚠️ **Add your Rivhit API token here**\nGet it from your Rivhit account settings → API section." } }, { "id": "5999ca01-3f84-417b-8082-e932e50b633c", "name": "Sticky Note6", "type": "n8n-nodes-base.stickyNote", "position": [ -128, 480 ], "parameters": { "width": 320, "height": 130, "content": "⚠️ **Replace with your WhatsApp group ID**\nFormat: `120363XXXXXXXXXX@g.us`\nYou can find it in the webhook payload under `payload.from`." } }, { "id": "cd821b62-0e6b-4cfd-85f6-39e4cebcca9f", "name": "Sticky Note7", "type": "n8n-nodes-base.stickyNote", "position": [ 592, 0 ], "parameters": { "width": 320, "height": 120, "content": "⚠️ **Add your Google Cloud Vision API key**\nEnable the Vision API in your Google Cloud Console and paste the key in the query parameter below." } }, { "id": "6adfcfac-aa2b-484b-8b06-90831c59f297", "name": "Is there a picture or not?", "type": "n8n-nodes-base.if", "position": [ 400, 304 ] }, { "id": "7f718c14-a8c7-42a5-b1e7-191bae1c7890", "name": "Preparing a message", "type": "n8n-nodes-base.code", "position": [ 848, 304 ] }, { "id": "78348c53-84fb-4c8d-8691-07fbb768b2f0", "name": "Extracting text from images", "type": "n8n-nodes-base.httpRequest", "position": [ 624, 208 ] }, { "id": "ae295294-5be0-426b-b91e-8da94903cb2b", "name": "api key", "type": "n8n-nodes-base.set", "position": [ 1072, 304 ] }, { "id": "982f57fc-2d3b-4afe-ad8f-262489dff9da", "name": "AI Agent", "type": "@n8n/n8n-nodes-langchain.agent", "position": [ 1360, 304 ] }, { "id": "dd4267cf-848b-4aac-bf57-91a729cca290", "name": "rivhit_api", "type": "@n8n/n8n-nodes-langchain.toolCode", "position": [ 1552, 528 ] }, { "id": "28c6f496-39be-488a-98bf-97185298721d", "name": "Simple Memory", "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow", "position": [ 1424, 528 ] }, { "id": "a1297d66-e563-496b-b3e7-d611582f3a8e", "name": "OpenAI Chat Model", "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi", "position": [ 1296, 528 ] }, { "id": "a913ad9e-69a0-4453-9c5a-61042c9e0a4a", "name": "Separation between the message and document link", "type": "n8n-nodes-base.code", "position": [ 1760, 304 ] }, { "id": "51b97d72-221c-4fe3-8867-bb38cf10af45", "name": "Only if there is an attachment", "type": "n8n-nodes-base.if", "position": [ 1984, 304 ] }, { "id": "a7053452-9227-4724-9879-089c67109f6f", "name": "Send a file", "type": "@devlikeapro/n8n-nodes-waha.WAHA", "position": [ 2208, 192 ] }, { "id": "0eb297e6-28a3-41b6-af9b-539590195940", "name": "Send a text message", "type": "n8n-nodes-waha.WAHA", "position": [ 2208, 400 ] }, { "id": "fe6f8f46-95c6-4f7a-9f17-0690f0c0036d", "name": "Start Typing", "type": "@devlikeapro/n8n-nodes-waha.WAHA", "position": [ 176, 304 ] }, { "id": "d71dd8e5-ea76-467b-a389-1846caed4716", "name": "Only if it's from the bot's group", "type": "n8n-nodes-base.filter", "position": [ -48, 304 ] }, { "id": "35dfe9c1-d8bd-4750-8803-c82070b0a5cd", "name": "Webhook", "type": "n8n-nodes-base.webhook", "position": [ -272, 304 ] } ], "connections": { "Webhook": { "main": [ [ { "node": "Only if it's from the bot's group", "type": "main", "index": 0 } ] ] }, "api key": { "main": [ [ { "node": "AI Agent", "type": "main", "index": 0 } ] ] }, "AI Agent": { "main": [ [ { "node": "Separation between the message and document link", "type": "main", "index": 0 } ] ] }, "rivhit_api": { "ai_tool": [ [ { "node": "AI Agent", "type": "ai_tool", "index": 0 } ] ] }, "Start Typing": { "main": [ [ { "node": "Is there a picture or not?", "type": "main", "index": 0 } ] ] }, "Simple Memory": { "ai_memory": [ [ { "node": "AI Agent", "type": "ai_memory", "index": 0 } ] ] }, "OpenAI Chat Model": { "ai_languageModel": [ [ { "node": "AI Agent", "type": "ai_languageModel", "index": 0 } ] ] }, "Preparing a message": { "main": [ [ { "node": "api key", "type": "main", "index": 0 } ] ] }, "Is there a picture or not?": { "main": [ [ { "node": "Extracting text from images", "type": "main", "index": 0 } ], [ { "node": "Preparing a message", "type": "main", "index": 0 } ] ] }, "Extracting text from images": { "main": [ [ { "node": "Preparing a message", "type": "main", "index": 0 } ] ] }, "Only if there is an attachment": { "main": [ [ { "node": "Send a file", "type": "main", "index": 0 } ], [ { "node": "Send a text message", "type": "main", "index": 0 } ] ] }, "Only if it's from the bot's group": { "main": [ [ { "node": "Start Typing", "type": "main", "index": 0 } ] ] }, "Separation between the message and document link": { "main": [ [ { "node": "Only if there is an attachment", "type": "main", "index": 0 } ] ] } } }