Send WhatsApp confirmation for form submissions via Rapiwa API
Description
Categories
🤖 AI & Machine Learning
Nodes Used
n8n-nodes-base.ifn8n-nodes-base.coden8n-nodes-base.coden8n-nodes-base.waitn8n-nodes-base.webhookn8n-nodes-base.stickyNoten8n-nodes-base.stickyNoten8n-nodes-base.stickyNoten8n-nodes-base.stickyNoten8n-nodes-base.stickyNote
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Last Updated11/28/2025
workflow.json
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"Date": "={{ $('Cleane Number').item.json.submitted_date }}",
"Name": "={{ $('Cleane Number').item.json.name }}",
"Email ": "={{ $('Cleane Number').item.json.email }}",
"Location": "={{ $('Cleane Number').item.json.location }}",
"validity": "unverified",
"Business Name": "={{ $('Cleane Number').item.json.business_name }}",
"WhatsApp Number": "={{ $('Cleane Number').item.json.whatsapp }}"
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{
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"Name": "={{ $('Cleane Number').item.json.name }}",
"Email ": "={{ $('Cleane Number').item.json.email }}",
"Location": "={{ $('Cleane Number').item.json.location }}",
"validity": "verified",
"Business Name": "={{ $('Cleane Number').item.json.business_name }}",
"WhatsApp Number": "={{ $('Cleane Number').item.json.whatsapp }}"
},
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{
"id": "Business Name",
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{
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"type": "string",
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"displayName": "WhatsApp Number",
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"jsCode": "const result = $input.all().map(item => {\n const body = item.json.body || {};\n\n // Get current date in YYYY-MM-DD format\n const submitted_date = new Date().toISOString().split('T')[0];\n\n return {\n business_name: body.business_name,\n location: body.location,\n whatsapp: body.whatsapp,\n email: body.email,\n name: body.name,\n submitted_date: submitted_date\n };\n});\n\nreturn result;\n"
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"url": "=https://app.rapiwa.com/api/send-message",
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{
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"value": "={{ $json.data.phone }}"
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{
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"value": "=Hi {{ $('Cleane Number').item.json.name }}, \nThanks! Your form has been submitted successfully. "
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"content": "# Send WhatsApp confirmation for form submissions via Rapiwa API\n\n## Overview\n### This n8n workflow receives data from a submitted form, verifies if the provided WhatsApp number is valid using the Rapiwa API, and stores the submission in Google Sheets. If the number is verified, the user also receives a confirmation message via WhatsApp.\n\n---\n\n## Features\n- Accepts form submit data via **Webhook (POST)**\n- **Cleans** the WhatsApp number format before validation\n- Uses **Rapiwa API** to verify if a number is WhatsApp-registered\n- Sends a **WhatsApp confirmation message** to valid users\n- Appends submission data to a **Google Sheet** with a verified/unverified status\n- Adds a **submission date** automatically\n- Includes a delay node to **throttle requests** for API and sheet interactions\n\n---\n\n## Requirements / Prerequisites\n- **A Google Sheet** formatted like this ➤ [sample](https://docs.google.com/spreadsheets/d/1H29z_8tnsu8AvCsI7o1SjiV-5LDTwiVVQk-BNr8SMk0/edit?usp=sharing) \n- Valid **Google Sheets OAuth2** credentials connected to n8n\n- **Rapiwa API account** with:\n - Your WhatsApp number connected and authorized in Rapiwa\n- A **WhatsApp Account** (Personal or Business) \n- Active **Rapiwa account** with a valid **Bearer Token**\n- Your **WhatsApp number** connected to Rapiwa\n - Access to `verify-whatsapp` and `send-message` endpoints\n- **Google Sheet** with columns:\n - `Business Name`\n - `Location`\n - `WhatsApp Number`\n - `Email ` (with a trailing space)\n - `Name`\n - `Date`\n - `validity`\n- **Google Sheets OAuth2 credentials** connected in n8n\n- A **web form** that sends a `POST` request with the following fields:\n - `business_name`\n - `location`\n - `whatsapp`\n - `email`\n - `name`\n\n---\n\n## Nodes Used in the Workflow\n- **Webhook**\n- **Code (JavaScript)**\n- **Split In Batches**\n- **HTTP Request (Rapiwa API)**\n- **IF Condition**\n- **Google Sheets Append**\n- **Send WhatsApp Message (Rapiwa)**\n- **Wait**\n\n---\n\n## How to Use This Workflow\n\n### 1. Connect Your Web Form\n- Ensure your form sends a `POST` request to the **Webhook** node.\n- Webhook Path: \n `POST /a9b6a936-e5f2-4d4c-9cf9-182de0a970d5`\n\n### 2. Format Webhook Data\n- Node: `Format Webhook Response Data`\n- Extracts submitted fields and adds `submitted_date` as today's date in `YYYY-MM-DD` format.\n\n### 3. Batch Process Items\n- Node: `Loop Over Items`\n- Ensures submissions are processed one at a time.\n\n### 4. Clean the WhatsApp Number\n- Node: `Cleane Number`\n- Removes non-numeric characters to standardize number format.\n\n### 5. Verify Number via Rapiwa\n- Node: `check valid whatsapp number`\n- Sends the cleaned number to `https://app.rapiwa.com/api/verify-whatsapp`\n- Expects `data.exists` boolean response\n\n### 6. Conditional Path\n- Node: `If`\n- If `data.exists === true`, the number is verified\n- Otherwise, considered unverified\n\n### 7. Send Confirmation Message (if verified)\n- Node: `Send Message Using Rapiwa`\n- Sends a message like: \n `\"Hi John, Thanks! Your form has been submitted successfully.\"`\n\n### 8. Append to Google Sheet\n- Verified: \n - Node: `verified append row in sheet`\n - Adds `validity: verified`\n- Unverified: \n - Node: `unverified append row in sheet`\n - Adds `validity: unverified`\n\n### 9. Add a Delay\n- Node: `Wait1`\n- Waits 2 seconds after each append operation to avoid API throttling or write conflicts\n\n---\n\n## Google Sheet Format (Required Columns)\n\n| Business Name | Location | WhatsApp Number | Email | Name | validity | Date |\n|---------------------|--------------------|------------------|----------------------|------------------|------------|------------|\n| SpaGreen Creative | Dhaka, Bangladesh | 8801322827754 | [email protected] | Foyshal Ahmed | unverified | 2025-09-14 |\n| SpaGreen Creative | Bagladesh | 8801322827753 | [email protected] | Shakil Ahammed | verified | 2025-09-14 |\n\n\n*Note: Column `Email ` contains a trailing space — match it exactly.*\n\n---\n\n## Ideal Use Cases\n- WhatsApp-based lead capture\n- Business verification workflows\n- Event registration with WhatsApp confirmation\n- Customer onboarding forms with WhatsApp opt-in\n\n---\n\n## Notes\n- You can modify the message in the `Send Message Using Rapiwa` node to suit your brand.\n- Make sure your webhook URL is secure and not publicly exposed without authentication.\n- Adjust the wait time if you face API rate limits or Google Sheets errors.\n\n"
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"name": "Check valid whatsapp number Using Rapiwa",
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"parameters": {
"url": "=https://app.rapiwa.com/api/verify-whatsapp",
"method": "POST",
"options": {},
"sendBody": true,
"authentication": "genericCredentialType",
"bodyParameters": {
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"name": "number",
"value": "={{ $json.whatsapp }}"
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"content": "## Trigger via Webhook\n\nA **Webhook** node listens for POST requests on the path:\n\n**Example input:**\n\n```json\n{\n \"business_name\": \"ABC Corp\",\n \"location\": \"New York\",\n \"whatsapp\": \"+1 (234) 567-8901\",\n \"email\": \"[email protected]\",\n \"name\": \"John Doe\"\n}\n```\n## & Format Webhook Response\n\nThe **Format Webhook Response Data** node cleans and structures the input:"
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"content": "## Batch Processing\n\nThe **SplitInBatches** node:\n\n- Allows future scalability for handling multiple records.\n- Each item is processed individually.\n"
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"content": "## Clean WhatsApp Number\n\nThe **Clean Number** node:\n\n- Converts the number to a string.\n- Removes all non-digit characters.\n- Updates the number for API compatibility.\n\n## & Validate WhatsApp Number\n\nThe **Check valid WhatsApp number Using Rapiwa** node:\n\n- Sends the cleaned number to: \n `https://app.rapiwa.com/api/verify-whatsapp`\n\n- Receives a response like:\n\n```json\n{\n \"success\": true,\n \"data\": {\n \"number\": \"+88017XXXXXXXX\",\n \"exists\": true,\n \"jid\": \"88017XXXXXXXXXXXXX\",\n \"message\": \"✅ Number is on WhatsApp\"\n }\n}\n"
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"content": "## Conditional Logic\n\nThe **If** node checks whether `data.exists == true`:\n\n- **True branch (verified):**\n - Sends a WhatsApp confirmation via Rapiwa.\n - Appends to Google Sheets with validity: verified.\n\n- **False branch (unverified):**\n - Appends data to the sheet with validity: unverified.\n"
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"content": "## Send WhatsApp Confirmation\n\nThe **Send Message Using Rapiwa** node sends this message to the user:\n\n\n## & Append Data to Google Sheets\nTwo separate Google Sheets nodes:\n- **Verified append row in sheet** – for valid numbers.\n- **Unverified append row in sheet** – for invalid numbers.\n- **A Google Sheet** formatted like this ➤ [sample](https://docs.google.com/spreadsheets/d/1H29z_8tnsu8AvCsI7o1SjiV-5LDTwiVVQk-BNr8SMk0/edit?usp=sharing) \n\nCommon fields written:\n\n- Business Name\n- Location\n- WhatsApp Number\n- Email\n- Name\n- Date\n- Validity\n"
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"content": "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n## Append Unverified Row to Sheet\nThis node is triggered after a phone number is checked and found to be **unverified**. It appends the form submission data to the Google Sheet with the field `validity` set to `\"unverified\"`.\n\nThis node appends data to a Google Sheet when a WhatsApp number is **unverified**.\n- **A Google Sheet** formatted like this ➤ [sample](https://docs.google.com/spreadsheets/d/1H29z_8tnsu8AvCsI7o1SjiV-5LDTwiVVQk-BNr8SMk0/edit?usp=sharing) "
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