For AI agents: a documentation index is available at the root level at /llms.txt. Append /llms.txt to any URL for a page-level index, or .md for the markdown version of any page.
This page is for version 2026-09-29 (default).
For other versions, use one of these documentation indexes:
- 2026-09-29 (default): https://docs.withpersona.com/2026-09-29/llms.txt
- 2025-12-08: https://docs.withpersona.com/2025-12-08/llms.txt
- 2025-10-27: https://docs.withpersona.com/2025-10-27/llms.txt
- 2023-01-05: https://docs.withpersona.com/2023-01-05/llms.txt
- 2022-09-01: https://docs.withpersona.com/2022-09-01/llms.txt
- 2021-07-05: https://docs.withpersona.com/2021-07-05/llms.txt
- 2021-05-14: https://docs.withpersona.com/2021-05-14/llms.txt
- 2020-05-18: https://docs.withpersona.com/2020-05-18/llms.txt
A TIN Database Verification answers the question “Does the US IRS database corroborate provided user data?”.
TIN Database Verification Checks
See the full set of TIN Database Verification checks in the Verification Checks table in your Dashboard.
Product Versions
Component
Version
Notes
TIN
2.0.0
1. Enhanced spam protection 2. Add redundancies to increase uptime
TIN
1.1.0
1. Standardize external service error reason codes
