# WABA API onboarding
WhatsApp Business API Onboarding Guide for 3Sigma CRM
## Before You Begin
Before you get started with the WhatsApp Business API (WABA) setup, make sure you have the following ready:
✅ **Phone Number**: Keep your business phone ready to receive the OTP. If you don’t have one, you can get a **free testing sandbox number** from Facebook — just tap *Login with Facebook* and choose *Get Free Number*.
✅ **Remove Existing WhatsApp**: If you’re using WhatsApp on this number, back up your data and delete the account from your device.
✅ **Facebook Business Manager**: Make sure you have access to your Facebook Business Manager.
✅ **3Sigma Ultimate Plan**: You must be on the 3Sigma Ultimate Plan to use the WhatsApp Business API.
✅ **Website & GST**: A working website and valid GST number are **mandatory** for WhatsApp API approval.
✅ **Migration**: Moving from another provider? Don’t worry — your settings and templates will be migrated. Remove two-factor authentication (2FA) before setup.
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## Step-by-Step Process
### Step 1: Sign Up for WABA API
Sign up for the **WhatsApp Business API** (WABA) using your **Facebook Business Manager** account.
### Step 2: Permission Review
Grant the necessary permissions for the WABA API to manage your WhatsApp Business account.\
### Step 3: Business Information
Fill in your business details accurately. This information will be used to create your **WhatsApp Business Account (WABA)**.
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### Step 4: Set Up Business Profile
Create your **WhatsApp Business profile**. This information will be visible to your customers when they contact you via WhatsApp.\
### Step 5: Verify Phone Number
Verify the phone number you want to use for your WhatsApp Business account. An OTP will be sent to this number.\
### Step 6: Connect to 3Sigma CRM
After verifying the number, authorize **3Sigma CRM** to access your **WABA** account and complete the integration.
### Step 7: Configure WABA in 3Sigma CRM
Once the setup is complete, configure your **WhatsApp Business API settings** within **3Sigma CRM** to start managing your WhatsApp communications.
Note : it might some time for Integration to get completed around 15-20 minutes, You can refresh page to get latest status
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