Users verify their phone number by sending you a WhatsApp message. No OTP codes, no SMS fees, no failed deliveries. Just a tap.
Why Pingi
No SMS gateway fees. WhatsApp messages cost a fraction of SMS OTP — save thousands at scale.
No failed SMS. No carrier delays. WhatsApp delivers in milliseconds, worldwide.
No codes to type. Users tap a link and send a pre-filled message — verified in one step.
WhatsApp has 2B+ users across 180+ countries. One API, worldwide coverage.
Integration
Your backend requests a verification session from Pingi.
Show a WhatsApp deep link. One tap opens the chat.
A pre-filled verification message is sent to Pingi.
Pingi notifies your backend instantly. Verified.
For developers
curl -X POST https://api.pingi.dev/v1/verify \
-H "Authorization: Bearer pk_live_..." \
-H "Content-Type: application/json" \
-d '{
"phone": "+1234567890",
"webhook_url": "https://yourapp.com/webhook"
}'
# => { "session_id": "ses_abc123", "whatsapp_link": "https://wa.me/..." }Pricing
Pay per verification. No monthly minimums, no contracts.
Pro
vs $0.05+ per SMS OTP
Enterprise
Volume discounts available
Cost per 10,000 verifications
Get your API key and start verifying in minutes. Free for up to 100 verifications per month.