# Authentication & Verification ### Which multi-factor authentication (MFA) methods does Terrace support Currently, Terrace supports email-based MFA and standard authenticator apps (Google Authenticator, Authy, 1Password, \ etc.) ### How long do MFA codes last? Email verification codes expire after 2 minutes, and the entire MFA session must be finished within 5 minutes of starting. Users are limited to initiating 10 MFA challenges every 5 minutes. ### Why is my account locked? Users have three opportunities to complete the MFA process. if you fail all three, you will be locked out of your account for 15 minutes. Additionally, if you fail a standard password login five times, your account will be locked for 30 minutes before you can try again. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.terrace.fi/faq/authentication-and-verification.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.