Codes by WhatsApp or email
Choose the channel for each user: the code reaches them on WhatsApp or by email.
Verify your users with a WhatsApp code
Send one-time codes by WhatsApp or email with a simple API. Your users get the code where they already are, and you validate it in a second call.
- No account or card to try the demo
- Official Meta partner
For apps and online stores
Login and checkout verification, by WhatsApp
Verify customers by WhatsApp instead of SMS.
A simple API: send and validate
Your app asks for a code and then asks Spellty to validate what the user typed. Learn more about Spellty OTP.
Try a real code first
Before writing a line of code, the demo sends a real code to your phone and validates it.
Part of one platform
How verification works
- 1
Your app asks for a code
When a user signs in or pays, your app asks Spellty to send a code by WhatsApp or email.
- 2
The user receives it
The code arrives on the user's WhatsApp or inbox, and the user types it in your app.
- 3
Your app validates it
Your app sends the typed code to Spellty and gets the answer: valid or not.
Frequently asked questions
Quick answers before you try it.
Is OTP only for developers?
It is used through an API, so your developer or your platform connects it. If you do not code, share this page with them.
Which channels can send the code?
By WhatsApp or by email.
How is the code sent?
By WhatsApp or by email, through the API. Your app asks for a code and then asks Spellty to validate what the user typed.
Where can I see the cost?
In the OTP pricing page. WhatsApp messages are charged separately by Meta.
Can I try it before signing up?
Yes. Try it live from your phone, with no account and no card.
Receive a real code on your phone
Try the demo: you get a real code on WhatsApp and validate it. No account, no card.
- No account or card to try the demo
- Official Meta partner