Deliver one-time verification codes over Telegram through one API — a direct integration that’s faster and cheaper than SMS, with optional fallback to SMS when a user isn’t on Telegram.
Verification codes · Direct connection · Optional SMS fallback
Official partner across every channel
Deliver one-time passcodes to users on Telegram, instantly.
Telegram verification is cheaper than SMS on many routes — save on high OTP volumes.
No Telegram account? The code falls back to SMS so every user can still verify.
Telegram is huge with crypto, tech and international audiences. TextCall connects you directly to deliver one-time verification codes — lower cost than SMS, with an optional fallback to SMS when a user isn’t on Telegram.
Send one-time verification codes over Telegram with one clean REST API — pay only for successful verifications, predictable webhooks and optional SMS fallback, built by engineers and telco experts.
# Send a verification code over Telegram curl -X POST https://api.textcall.com/v2/verify \ -H "Authorization: Bearer $TEXTCALL_KEY" \ -H "Content-Type: application/json" \ -d '{ "to": "+357 99 000000", "channel": "telegram", "fallback": "sms" }' # → 200 OK · code delivered via Telegram in 260ms
Tell us your OTP volumes and we’ll get you live on Telegram.