> For the complete documentation index, see [llms.txt](https://apidocs.juicefin.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://apidocs.juicefin.com/introduction.md). # Authentication Authentication identifies a specific requestor and its authenticate details. The authentication methods include: ``` Praxell User and Password CSR User and Password Cardholder and PIN or DOB or CVV (The three are mutually exclusive) Session ``` Once authenticated, an API caller may continue to send its authentication details or use a Session ID returned in the response to a successful API call. Standard Login policies are applied, including: ``` Lockout on the third unsuccessful login attempt A required change of password every 60 days Strong passwords Users are blocked on 3 failed login attempts ``` ## XML Samples: ### Username based authentication ``` //--- (options: Y (default)/N) NNNNN API ``` ### Cardholder PIN based authentication ``` NNNNNNNNNNNNNNNN NNNN ``` ### Cardholder CVV based authentication ``` NNNNNNNNNNNNNNNN NNN ``` ### Session ID based authentication ``` 48104914201219021 ```