# tyntec 2FA Authentication API

**Canonical:** https://apis.io/apis/tyntec/tyntec-2fa-authentication-api/  
**Provider:** tyntec — https://apis.io/providers/tyntec/  
**Base URL:** https://api.tyntec.com/2fa/v4  
**Documentation:** https://api.tyntec.com/reference/otp-authentication/current.html

tyntec 2FA Authentication API is one of 7 APIs that [tyntec](https://apis.io/providers/tyntec/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Two-Factor Authentication, OTP, and Number Verification. The published artifact set on APIs.io includes API documentation and an API reference.

Programmatic two-factor authentication and one-time passwords. Send an OTP to a recipient number (POST /otp), validate the code the user enters (POST /otp/{otp-id}/validate returning VERIFIED, EXPIRED, WRONG_CODE, or TOO_MANY_ATTEMPTS), and read, list, or delete OTP records.

## Machine-readable artifacts (4)

- **Documentation** — https://www.tyntec.com/helpcenter/docs/
- **APIReference** — https://api.tyntec.com/reference/otp-authentication/current.html
- **SourceCode** — https://github.com/tyntec/api-collection/tree/master/otp-authentication
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/tyntec/refs/heads/main/apis.yml

## Other tyntec APIs (6)

- [tyntec SMS API](https://apis.io/apis/tyntec/tyntec-sms-api/)
- [tyntec Conversations API](https://apis.io/apis/tyntec/tyntec-conversations-api/)
- [tyntec Number Information API](https://apis.io/apis/tyntec/tyntec-number-information-api/)
- [tyntec Number Verification API](https://apis.io/apis/tyntec/tyntec-number-verification-api/)
- [tyntec Service API](https://apis.io/apis/tyntec/tyntec-service-api/)
- [tyntec Verify Templates API](https://apis.io/apis/tyntec/tyntec-verify-templates-api/)

## Tags

Two-Factor Authentication, OTP, Number Verification

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/tyntec/tyntec-2fa-authentication-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/tyntec/.