The otpauth URI Scheme

This document defines syntax and processing rules for the otpauth: URI scheme used to provision one-time-password (OTP) credentials (verification codes). This document defines a common baseline for interoperability, including issuer handling rules that improve account matching while maintaining compatibility with existing deployments. Discussion Venues This note is to be removed before publishing as an RFC. Source for this draft and an issue tracker can be found at https://github.com/andesco/otpauth-uri.