This is the API V2 documentation. To switch out of beta revert back to our API V1.

Telnyx DevelopersDevelopers
Sign inTelnyx Developers
Open Menu
DocsAPI ReferenceJoin Slack Community
Create an AccountSign in
Questions on setup? Talk to our experts
Open SidemenuDocs
Docs
Close Sidemenu
Verify

Verify

Enable robust security features using carrier-grade voice and messaging to keep your customers safe.

QuickstartSee the Specs

US/CA SMSus-ca-sms

Quickly add 2FA verification to your app using

  • Send 2FA codes to your customers with guaranteed delivery to US/CA destinations
  • Verification API to validate code submissions and to retrieve verification status
  • Aggregate reporting of verifications per profile