TextCall places an automated call and reads the one-time code aloud — reaching any phone with no app required, and billed only when a verification succeeds.
Text-to-Voice OTP · Reaches any phone · Pay on success
Landlines and mobiles with no app required — the widest possible reach.
Kicks in as a verification step when SMS or app channels don’t deliver.
Calls from a local number to lift answer and completion rates.
A meaningful share of OTPs never land on the first channel. Voice OTP recovers those users with an automated call — often the difference between a completed signup and an abandoned one.
Verify users with an automated voice call using one clean REST API — pay only for successful verifications, with local caller ID and detailed delivery logs.
# Send a verification code by voice call 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": "voice", "language": "en" }' # → 200 OK · code read aloud, verified in 0.9s
Tell us your verification flow and we’ll wire in voice.