Send OTPs on WhatsApp with one API call
SMS OTPs get delayed, filtered or never arrive. Send your login and signup codes on WhatsApp instead — generate the code in your app and send it with a single request.
482913 is your Acme verification code. It expires in 10 minutes. Do not share it with anyone.
10:24 ✓✓
How otp & verification teams use WhatsApp automation
Simple integration
Your backend generates the code; one POST request delivers it.
Delivery receipts
Know when the OTP was delivered and read.
Pre-check numbers
Verify the number is on WhatsApp first and fall back to SMS if it isn't.
Branded sender
Codes come from your business's WhatsApp number and profile.
Features used for otp & verification
Send WhatsApp text, media, locations and polls with a simple REST API. Connect a number by QR code in seconds, get webhooks and start free.
WhatsApp Number CheckerCheck which phone numbers are registered on WhatsApp before you send. Paste a list, verify in bulk and export valid WhatsApp numbers to CSV.
More use cases
Questions about OTP & verification
Should I use WhatsApp OTP for every user?
Use it where it helps: check with /check-number first and fall back to SMS or email for numbers without WhatsApp.
How fast is delivery?
Typically a few seconds while your number is connected. Use delivery receipts to monitor it.
Start automating WhatsApp today
Create a free account, connect your number in a minute and send your first message.