Nick Guriev This workflow corresponds to n8n.io template #18042 — we link there as the canonical source.
This workflow follows the Google Sheets → HTTP Request recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"id": "template-sales-pdf-bot-template",
"name": "Sales PDF bot",
"tags": [],
"nodes": [
{
"id": "a28e7d40-9a79-4c7a-8d11-bd4ade696719",
"name": "Sticky Note",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1744,
-304
],
"parameters": {
"width": 480,
"height": 896,
"content": "## Sales PDF bot\n\n### How it works\n\nThis workflow manages sales conversations across WhatsApp and Telegram, records client/payment details in Google Sheets, and sends payment links. When Stripe confirms a valid payment, it looks up the buyer, detects the original channel, and sends the PDF link back through WhatsApp or Telegram. It also includes a WhatsApp-side pending-payment reminder path and a small webhook acknowledgement path for reminder-trigger events.\n\n### Setup steps\n\n- Configure webhook URLs for WhatsApp, Telegram, and Stripe so each external service points to the corresponding n8n webhook trigger.\n- Add credentials for Google Sheets, Telegram Bot API, Stripe webhook verification/event parsing, and the WhatsApp Cloud API HTTP requests.\n- Update the WhatsApp Graph API URLs, phone number ID, access token, Telegram chat/message parameters, Stripe event parsing fields, and Google Sheets document/table mappings.\n- Populate the Google Sheet with the expected columns for phone, channel, chat_id, timestamp, payment status, and client identifiers used by the Stripe lookup.\n- Set the payment link and final PDF link values in the message-building or request nodes before activating the workflow.\n\n### Customization\n\nAdjust the reminder text, payment-link message, PDF delivery message, fallback handling, and the Google Sheets columns to match the sales process and data model."
},
"typeVersion": 1
},
{
"id": "5cce0047-1a37-451a-b9a4-ba59bf9eed2d",
"name": "Sticky Note1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1184,
-304
],
"parameters": {
"color": 7,
"width": 400,
"height": 336,
"content": "## Reminder webhook acknowledgement\n\nA compact top-left cluster that receives the reminder-trigger webhook and immediately returns a webhook response, acting as a simple acknowledgement endpoint."
},
"typeVersion": 1
},
{
"id": "37c62bd4-cc26-4732-a2bb-09f56ff59e07",
"name": "Sticky Note2",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1184,
64
],
"parameters": {
"color": 7,
"width": 592,
"height": 320,
"content": "## WhatsApp message intake\n\nReceives incoming WhatsApp webhook events, parses the message payload, and checks whether it is a valid WhatsApp sales message before continuing."
},
"typeVersion": 1
},
{
"id": "a0146815-57f8-4484-8772-b679576daee0",
"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
"position": [
-528,
-256
],
"parameters": {
"color": 7,
"width": 672,
"height": 496,
"content": "## Check pending WhatsApp payment\n\nLooks up unpaid clients in Google Sheets, decides whether payment is still pending, then either sends a WhatsApp reminder or prepares normalized client fields for the payment-link path."
},
"typeVersion": 1
},
{
"id": "2afa465c-b830-41ad-9812-485e5a713efe",
"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
176,
-256
],
"parameters": {
"color": 7,
"width": 592,
"height": 320,
"content": "## Send WhatsApp payment link\n\nStores the WhatsApp client details in Google Sheets, sends the payment link through the WhatsApp Cloud API, and responds to the original webhook request."
},
"typeVersion": 1
},
{
"id": "cd603d38-ed80-47ea-a8b1-966c2f0729fc",
"name": "Sticky Note5",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1184,
416
],
"parameters": {
"color": 7,
"width": 592,
"height": 304,
"content": "## Telegram message intake\n\nReceives Telegram webhook events, parses the incoming message, and validates whether it should enter the Telegram sales flow."
},
"typeVersion": 1
},
{
"id": "ffb08247-06c8-4a9e-83e8-99b681d7e94e",
"name": "Sticky Note6",
"type": "n8n-nodes-base.stickyNote",
"position": [
-528,
272
],
"parameters": {
"color": 7,
"width": 672,
"height": 304,
"content": "## Send Telegram payment link\n\nSaves the Telegram client record to Google Sheets, sends the payment link through the Telegram bot, and returns a webhook response."
},
"typeVersion": 1
},
{
"id": "b9c73bd5-11fc-4d18-945c-9d5d4059c66b",
"name": "Sticky Note7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-1184,
752
],
"parameters": {
"color": 7,
"width": 592,
"height": 320,
"content": "## Stripe payment intake\n\nReceives Stripe payment webhook events, parses the Stripe payload, and validates whether the event represents a successful payment to process."
},
"typeVersion": 1
},
{
"id": "4da5f0b1-3c5a-4a99-8ddb-6067b3f21f9d",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
"position": [
-528,
608
],
"parameters": {
"color": 7,
"width": 400,
"height": 320,
"content": "## Find buyer channel\n\nLooks up the paid client in Google Sheets and branches based on whether the buyer originally came from Telegram or WhatsApp."
},
"typeVersion": 1
},
{
"id": "38a6396e-6c2e-4d4b-9444-1fe5156fb206",
"name": "Sticky Note9",
"type": "n8n-nodes-base.stickyNote",
"position": [
176,
288
],
"parameters": {
"color": 7,
"width": 496,
"height": 496,
"content": "## Deliver PDF link\n\nSends the purchased PDF link through the detected channel, using Telegram for Telegram buyers or the WhatsApp Cloud API for WhatsApp buyers, then acknowledges Stripe."
},
"typeVersion": 1
},
{
"id": "574fd629-ed46-464f-a549-4f1352999f69",
"name": "Sticky Note10",
"type": "n8n-nodes-base.stickyNote",
"position": [
-96,
608
],
"parameters": {
"color": 7,
"width": 240,
"height": 448,
"content": "## Invalid payment fallback\n\nHandles the fallback branch for invalid or unmatched Stripe payment events by sending a configured WhatsApp HTTP request before the Stripe response node completes the webhook flow."
},
"typeVersion": 1
},
{
"id": "718f9c1a-9f4f-4b04-b966-fa89b41999d4",
"name": "When WhatsApp Message Received",
"type": "n8n-nodes-base.webhook",
"position": [
-1136,
224
],
"parameters": {
"path": "whatsapp-verify",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 1
},
{
"id": "cdf67b64-9916-4641-b99b-74d5c30ddc9e",
"name": "Extract WhatsApp Message",
"type": "n8n-nodes-base.code",
"position": [
-928,
224
],
"parameters": {
"jsCode": "const body = $input.first().json.body;\nlet phone = '';\nlet message = '';\n\ntry {\n const entry = body.entry?.[0];\n const changes = entry?.changes?.[0];\n const value = changes?.value;\n const msg = value?.messages?.[0];\n \n phone = msg?.from?.trim() || '';\n message = msg?.text?.body?.toLowerCase().trim() || '';\n} catch(e) {\n phone = '';\n message = '';\n}\n\nreturn [{ json: { phone, message, channel: 'whatsapp', chat_id: phone } }];\n"
},
"typeVersion": 2
},
{
"id": "dd7370fb-a299-4e3d-b4fe-c83c24a97d12",
"name": "When Telegram Message Received",
"type": "n8n-nodes-base.webhook",
"position": [
-1136,
544
],
"parameters": {
"path": "telegram-incoming",
"options": {},
"httpMethod": "POST",
"responseMode": "responseNode"
},
"typeVersion": 1
},
{
"id": "23d6593e-daa1-440f-a013-f9151a0c0348",
"name": "Extract Telegram Message",
"type": "n8n-nodes-base.code",
"position": [
-928,
544
],
"parameters": {
"jsCode": "const body = $input.first().json.body;\nlet chat_id = '';\nlet message = '';\nlet first_name = 'friend';\ntry {\n const msg = body.message;\n chat_id = String(msg?.chat?.id || '');\n message = msg?.text?.toLowerCase().trim() || '';\n first_name = msg?.chat?.first_name || 'friend';\n} catch(e) {\n chat_id = '';\n message = '';\n}\nreturn [{ json: { phone: '', message, channel: 'telegram', chat_id, first_name } }];"
},
"typeVersion": 2
},
{
"id": "3b8ec21e-a4ed-4a34-bc07-4a35bc406e25",
"name": "Check WhatsApp Message Validity",
"type": "n8n-nodes-base.if",
"position": [
-736,
224
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.phone }}",
"operation": "isNotEmpty"
}
]
}
},
"typeVersion": 1
},
{
"id": "404af241-da1a-4965-a68b-2586c24f5188",
"name": "Check Telegram Message Validity",
"type": "n8n-nodes-base.if",
"position": [
-736,
544
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.chat_id }}",
"operation": "isNotEmpty"
}
]
}
},
"typeVersion": 1
},
{
"id": "8e8e806c-c0f0-4eb6-8677-c07c0613c2bc",
"name": "Add WhatsApp Client to Sheets",
"type": "n8n-nodes-base.googleSheets",
"position": [
224,
-96
],
"parameters": {
"columns": {
"value": {},
"schema": [
{
"id": "phone",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "phone",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "channel",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "channel",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "chat_id",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "chat_id",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "timestamp",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "timestamp",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "message",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "message",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "first_name",
"type": "string",
"display": true,
"removed": false,
"required": false,
"displayName": "first_name",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "autoMapInputData",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "name",
"value": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "id",
"value": "YOUR_GOOGLE_SHEET_ID"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4
},
{
"id": "37e89b35-51db-4557-931e-0596f63a7a3b",
"name": "Add Telegram Client to Sheets",
"type": "n8n-nodes-base.googleSheets",
"position": [
-480,
400
],
"parameters": {
"columns": {
"value": {},
"schema": [
{
"id": "phone",
"type": "string",
"display": true,
"required": false,
"displayName": "phone",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "channel",
"type": "string",
"display": true,
"required": false,
"displayName": "channel",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "chat_id",
"type": "string",
"display": true,
"required": false,
"displayName": "chat_id",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "timestamp",
"type": "string",
"display": true,
"required": false,
"displayName": "timestamp",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "message",
"type": "string",
"display": true,
"required": false,
"displayName": "message",
"defaultMatch": false,
"canBeUsedToMatch": true
},
{
"id": "first_name",
"type": "string",
"display": true,
"required": false,
"displayName": "first_name",
"defaultMatch": false,
"canBeUsedToMatch": true
}
],
"mappingMode": "autoMapInputData",
"matchingColumns": [],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {},
"operation": "append",
"sheetName": {
"__rl": true,
"mode": "name",
"value": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "id",
"value": "YOUR_GOOGLE_SHEET_ID"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4
},
{
"id": "25532142-2d9a-497d-a762-7201b34b8790",
"name": "Send WhatsApp Payment Link",
"type": "n8n-nodes-base.httpRequest",
"position": [
432,
-96
],
"parameters": {
"url": "https://graph.facebook.com/v19.0/YOUR_WHATSAPP_PHONE_NUMBER_ID/messages",
"method": "POST",
"options": {},
"jsonBody": "={\n \"messaging_product\": \"whatsapp\",\n \"to\": \"{{ $('Extract WhatsApp Message').item.json.phone }}\",\n \"type\": \"text\",\n \"text\": {\n \"body\": \"Hi! \ud83d\udc4b\\n\\nThanks for your interest in our product!\\n\\n\ud83d\udcd6 *YOUR PRODUCT NAME*\\n\\n\ud83d\udcb0 Price: *YOUR PRICE*\\n\\n\ud83d\udc46 Pay here:\\nhttps://buy.stripe.com/YOUR_PAYMENT_LINK\\n\\nYour file will arrive here automatically after payment! \ud83d\ude80\"\n }\n}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4
},
{
"id": "133fc78d-5dac-43de-bfa8-41a69b7c15c9",
"name": "Send Telegram Payment Link",
"type": "n8n-nodes-base.telegram",
"position": [
-272,
400
],
"parameters": {
"text": "=\ud83d\udc4b Hi, {{ $json.first_name }}! *YOUR PRODUCT NAME*. Price: YOUR PRICE. Pay via the link below \u2014 your file will arrive here automatically: https://buy.stripe.com/YOUR_PAYMENT_LINK Please enter your phone number at checkout. \ud83d\ude80",
"chatId": "={{ $json.chat_id }}",
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "1db9856f-41d5-4c3a-8163-2457fbc46549",
"name": "Acknowledge WhatsApp Message",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
624,
-96
],
"parameters": {
"options": {},
"respondWith": "text",
"responseBody": "OK"
},
"typeVersion": 1
},
{
"id": "9d74e631-d504-4d8d-9eca-72e7ede5c9df",
"name": "Acknowledge Telegram Message",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
0,
400
],
"parameters": {
"options": {},
"respondWith": "text",
"responseBody": "OK"
},
"typeVersion": 1
},
{
"id": "c02992d6-5229-4ed0-a212-b83c4f312ef5",
"name": "When Stripe Payment Posted",
"type": "n8n-nodes-base.webhook",
"position": [
-1136,
912
],
"parameters": {
"path": "stripe-payment",
"options": {},
"httpMethod": "POST",
"responseMode": "lastNode"
},
"typeVersion": 1
},
{
"id": "5e2583ba-6863-4491-b068-63d73eff516c",
"name": "Extract Stripe Payment Details",
"type": "n8n-nodes-base.code",
"position": [
-928,
912
],
"parameters": {
"jsCode": "const body = $input.first().json.body;\nconst event = body;\nif (event.type !== 'checkout.session.completed') {\n return [{ json: { skip: true } }];\n}\nconst session = event.data?.object;\nconst phone = session?.customer_details?.phone || '';\nconst customerName = session?.customer_details?.name || 'customer';\nconst amountPaid = (session?.amount_total || 0) / 100;\nconst currency = session?.currency?.toUpperCase() || 'EUR';\nreturn [{ json: { phone, customerName, amountPaid, currency, skip: !phone } }];"
},
"typeVersion": 2
},
{
"id": "3c155284-258f-4e7c-97f3-2c4d0ec469d5",
"name": "Check Payment Validity",
"type": "n8n-nodes-base.if",
"position": [
-736,
912
],
"parameters": {
"conditions": {
"boolean": [
{
"value1": "={{ $json.skip }}"
}
]
}
},
"typeVersion": 1
},
{
"id": "ed9f4888-e46b-41b5-9a86-93dcfea318ed",
"name": "Retrieve Client From Sheets",
"type": "n8n-nodes-base.googleSheets",
"position": [
-480,
768
],
"parameters": {
"options": {},
"filtersUI": {
"values": [
{
"lookupValue": "=={{ $json.phone }}",
"lookupColumn": "phone"
}
]
},
"sheetName": {
"__rl": true,
"mode": "list",
"value": "gid=0",
"cachedResultUrl": "",
"cachedResultName": "Sheet1"
},
"documentId": {
"__rl": true,
"value": "YOUR_GOOGLE_SHEET_ID",
"__mode": "id"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4
},
{
"id": "dfa7b377-c3d3-45d6-af64-440218cc1492",
"name": "Determine Communication Channel",
"type": "n8n-nodes-base.if",
"position": [
-272,
768
],
"parameters": {
"conditions": {
"string": [
{
"value1": "={{ $json.channel }}",
"value2": "telegram",
"operation": "equals"
}
]
}
},
"typeVersion": 1
},
{
"id": "3153c273-c14b-4780-8431-2399fc573483",
"name": "Deliver PDF via Telegram",
"type": "n8n-nodes-base.telegram",
"position": [
224,
464
],
"parameters": {
"text": "\ud83c\udf89 *Payment successful!*\n\nThanks for your purchase, {{ $json.customerName }}!\n\n\ud83d\udce5 *Here's your download link:*\n\nhttps://drive.google.com/uc?export=download&id=YOUR_PDF_FILE_ID\n\n\u26a0\ufe0f This link is personal \u2014 please don't share it.\n\nQuestions? Just message me! \ud83d\ude0a",
"chatId": "={{ $json.chat_id }}",
"additionalFields": {}
},
"credentials": {
"telegramApi": {
"name": "<your credential>"
}
},
"typeVersion": 1
},
{
"id": "94f7917f-d2cf-4f80-b806-0ccfb97c2d59",
"name": "Deliver PDF via WhatsApp",
"type": "n8n-nodes-base.httpRequest",
"position": [
224,
624
],
"parameters": {
"url": "https://graph.facebook.com/v19.0/YOUR_WHATSAPP_PHONE_NUMBER_ID/messages",
"method": "POST",
"options": {},
"jsonBody": "={\n \"messaging_product\": \"whatsapp\",\n \"to\": \"{{ $json.phone }}\",\n \"type\": \"text\",\n \"text\": {\n \"body\": \"\ud83c\udf89 *Payment successful!*\\n\\nThanks for your purchase!\\n\\n\ud83d\udce5 *Here's your download link:*\\n\\nhttps://drive.google.com/uc?export=download&id=YOUR_PDF_FILE_ID\\n\\nQuestions? Message us! \ud83d\ude0a\"\n }\n}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4
},
{
"id": "162ab818-b648-46c1-9c8f-45fc45da28ad",
"name": "Send Fallback Notification",
"type": "n8n-nodes-base.httpRequest",
"position": [
-48,
896
],
"parameters": {
"url": "https://graph.facebook.com/v19.0/YOUR_WHATSAPP_PHONE_NUMBER_ID/messages",
"method": "POST",
"options": {},
"jsonBody": "={\n \"messaging_product\": \"whatsapp\",\n \"to\": \"{{ $json.phone }}\",\n \"type\": \"text\",\n \"text\": {\n \"body\": \"\u2705 Payment received!\\n\\nWe couldn't automatically match your WhatsApp number. Please message us at YOUR@EMAIL.COM and we'll send your file manually within minutes! \ud83d\ude4f\"\n }\n}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4
},
{
"id": "df94b2ce-516c-4647-8cc3-af7eadab91c0",
"name": "Acknowledge Stripe Payment",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
528,
528
],
"parameters": {
"options": {},
"respondWith": "text",
"responseBody": "OK"
},
"typeVersion": 1
},
{
"id": "3f4e2fbd-4c16-46b6-96d4-5f5dd511f917",
"name": "When Payment Reminder Triggered",
"type": "n8n-nodes-base.webhook",
"position": [
-1136,
-128
],
"parameters": {
"path": "whatsapp-verify",
"options": {},
"responseMode": "responseNode"
},
"typeVersion": 2.1
},
{
"id": "7ade4678-e1e7-410a-8ac7-62164175ceca",
"name": "Acknowledge Reminder Trigger",
"type": "n8n-nodes-base.respondToWebhook",
"position": [
-928,
-128
],
"parameters": {
"options": {},
"respondWith": "text",
"responseBody": "={{ $json.query['hub.challenge'] }}"
},
"typeVersion": 1.5
},
{
"id": "e9b5b5c4-bfcb-47af-804e-620e23e3cc02",
"name": "Retrieve Unpaid Clients",
"type": "n8n-nodes-base.googleSheets",
"position": [
-480,
64
],
"parameters": {
"options": {},
"filtersUI": {
"values": [
{
"lookupValue": "={{ $json.phone }}",
"lookupColumn": "phone"
}
]
},
"sheetName": {
"__rl": true,
"mode": "name",
"value": "Sheet1"
},
"documentId": {
"__rl": true,
"mode": "id",
"value": "YOUR_GOOGLE_SHEET_ID"
}
},
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
},
"typeVersion": 4.7,
"alwaysOutputData": true
},
{
"id": "abb03aa6-cef7-4d3e-a566-45aeea87be79",
"name": "Check Payment Status Pending",
"type": "n8n-nodes-base.if",
"position": [
-272,
64
],
"parameters": {
"options": {},
"conditions": {
"options": {
"version": 3,
"leftValue": "",
"caseSensitive": true,
"typeValidation": "strict"
},
"combinator": "and",
"conditions": [
{
"id": "13390e2c-f938-467f-9d0b-79c96e4a44b5",
"operator": {
"type": "string",
"operation": "empty",
"singleValue": true
},
"leftValue": "={{ $json.status }}",
"rightValue": ""
}
]
}
},
"typeVersion": 2.3
},
{
"id": "c11aaba2-c3e3-4fbe-89b0-59dba85b7702",
"name": "Post WhatsApp Payment Reminder",
"type": "n8n-nodes-base.httpRequest",
"position": [
0,
80
],
"parameters": {
"url": "https://graph.facebook.com/v19.0/YOUR_WHATSAPP_PHONE_NUMBER_ID/messages",
"method": "POST",
"options": {},
"jsonBody": "={\n \"messaging_product\": \"whatsapp\",\n \"to\": \"{{ $('Extract WhatsApp Message').item.json.phone }}\",\n \"type\": \"text\",\n \"text\": {\n \"body\": \"\ud83d\udc4b You showed interest in our product earlier!\\n\\n\ud83d\udcd6 *YOUR PRODUCT NAME* \u2014 YOUR PRICE\\n\\nThe payment link is still active:\\nhttps://buy.stripe.com/YOUR_PAYMENT_LINK\\n\\nQuestions? Just ask! \ud83d\ude0a\"\n }\n}",
"sendBody": true,
"sendHeaders": true,
"specifyBody": "json",
"authentication": "genericCredentialType",
"genericAuthType": "httpHeaderAuth",
"headerParameters": {
"parameters": [
{
"name": "Content-Type",
"value": "application/json"
}
]
}
},
"credentials": {
"httpHeaderAuth": {
"name": "<your credential>"
}
},
"typeVersion": 4
},
{
"id": "1a264af1-62a4-4534-a010-bfabdb781622",
"name": "Build Payment Reminder Message",
"type": "n8n-nodes-base.set",
"position": [
0,
-96
],
"parameters": {
"options": {},
"assignments": {
"assignments": [
{
"id": "d26fc1be-9c89-40d0-ac60-37a037c946f9",
"name": "phone",
"type": "string",
"value": "={{ $('Extract WhatsApp Message').item.json.phone.trim() }}\n"
},
{
"id": "7b25b184-0179-4fa8-b5fd-09e3239661cf",
"name": "channel",
"type": "string",
"value": "=whatsapp"
},
{
"id": "1ff0d42c-0baf-4fd1-be23-7cb041b7c56b",
"name": "chat_id",
"type": "string",
"value": "={{ $('Extract WhatsApp Message').item.json.chat_id.trim() }}\n"
},
{
"id": "c6e3a014-a47a-488a-8c9f-0cc42d02d38c",
"name": "timestamp",
"type": "string",
"value": "={{ new Date().toISOString() }}"
},
{
"id": "f5f821a9-4e0f-4cc1-a7fd-fe344bf07405",
"name": "status",
"type": "string",
"value": "=sent_link"
}
]
}
},
"typeVersion": 3.4
}
],
"active": false,
"settings": {
"binaryMode": "separate",
"executionOrder": "v1"
},
"nodeGroups": [],
"connections": {
"Check Payment Validity": {
"main": [
[
{
"node": "Retrieve Client From Sheets",
"type": "main",
"index": 0
}
],
[
{
"node": "Send Fallback Notification",
"type": "main",
"index": 0
}
]
]
},
"Retrieve Unpaid Clients": {
"main": [
[
{
"node": "Check Payment Status Pending",
"type": "main",
"index": 0
}
]
]
},
"Deliver PDF via Telegram": {
"main": [
[
{
"node": "Acknowledge Stripe Payment",
"type": "main",
"index": 0
}
]
]
},
"Deliver PDF via WhatsApp": {
"main": [
[
{
"node": "Acknowledge Stripe Payment",
"type": "main",
"index": 0
}
]
]
},
"Extract Telegram Message": {
"main": [
[
{
"node": "Check Telegram Message Validity",
"type": "main",
"index": 0
}
]
]
},
"Extract WhatsApp Message": {
"main": [
[
{
"node": "Check WhatsApp Message Validity",
"type": "main",
"index": 0
}
]
]
},
"Send Fallback Notification": {
"main": [
[
{
"node": "Acknowledge Stripe Payment",
"type": "main",
"index": 0
}
]
]
},
"Send Telegram Payment Link": {
"main": [
[
{
"node": "Acknowledge Telegram Message",
"type": "main",
"index": 0
}
]
]
},
"Send WhatsApp Payment Link": {
"main": [
[
{
"node": "Acknowledge WhatsApp Message",
"type": "main",
"index": 0
}
]
]
},
"When Stripe Payment Posted": {
"main": [
[
{
"node": "Extract Stripe Payment Details",
"type": "main",
"index": 0
}
]
]
},
"Retrieve Client From Sheets": {
"main": [
[
{
"node": "Determine Communication Channel",
"type": "main",
"index": 0
}
]
]
},
"Check Payment Status Pending": {
"main": [
[
{
"node": "Build Payment Reminder Message",
"type": "main",
"index": 0
}
],
[
{
"node": "Post WhatsApp Payment Reminder",
"type": "main",
"index": 0
}
]
]
},
"Add Telegram Client to Sheets": {
"main": [
[
{
"node": "Send Telegram Payment Link",
"type": "main",
"index": 0
}
]
]
},
"Add WhatsApp Client to Sheets": {
"main": [
[
{
"node": "Send WhatsApp Payment Link",
"type": "main",
"index": 0
}
]
]
},
"Build Payment Reminder Message": {
"main": [
[
{
"node": "Add WhatsApp Client to Sheets",
"type": "main",
"index": 0
}
]
]
},
"Extract Stripe Payment Details": {
"main": [
[
{
"node": "Check Payment Validity",
"type": "main",
"index": 0
}
]
]
},
"When Telegram Message Received": {
"main": [
[
{
"node": "Extract Telegram Message",
"type": "main",
"index": 0
}
]
]
},
"When WhatsApp Message Received": {
"main": [
[
{
"node": "Extract WhatsApp Message",
"type": "main",
"index": 0
}
]
]
},
"Check Telegram Message Validity": {
"main": [
[
{
"node": "Add Telegram Client to Sheets",
"type": "main",
"index": 0
}
]
]
},
"Check WhatsApp Message Validity": {
"main": [
[
{
"node": "Retrieve Unpaid Clients",
"type": "main",
"index": 0
}
]
]
},
"Determine Communication Channel": {
"main": [
[
{
"node": "Deliver PDF via Telegram",
"type": "main",
"index": 0
}
],
[
{
"node": "Deliver PDF via WhatsApp",
"type": "main",
"index": 0
}
]
]
},
"When Payment Reminder Triggered": {
"main": [
[
{
"node": "Acknowledge Reminder Trigger",
"type": "main",
"index": 0
}
]
]
}
}
}
Credentials you'll need
Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.
googleSheetsOAuth2ApihttpHeaderAuthtelegramApi
Pro
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About this workflow
This workflow captures customer messages from WhatsApp or Telegram, logs the lead in Google Sheets, and replies with a Stripe Payment Link. After Stripe confirms a successful Checkout payment, it looks up the customer in Google Sheets and sends a Google Drive PDF download link…
Source: https://n8n.io/workflows/18042/ — original creator credit. Request a take-down →
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