# Audit Trail 2

- [OAuth2 Authenticate](/main/audit-trail-2/oauth2-authenticate.md): Released in 20.13. Authenticates the API caller on the Symphony servers (pod) using a Session token, and returns a valid OAuth2 access token.
- [Get Audit trails](/main/audit-trail-2/get_at2-v1-audits.md): The endpoint returns a paginated list of audits of the pod depending on input parameters such as the categories of audits, time interval etc. Each page can contain up to 100 audits.
- [Get distinct values of a list of filters](/main/audit-trail-2/get_at2-v1-filters-values.md): This endpoint returns the possible distinct values for each of the filter names provided in the "filters" parameter.
- [Get Audit Trail Stream](/main/audit-trail-2/get_at2-v1-audits-stream.md): The endpoint returns streamed list of audit trail events of the pod depending on input parameters such as the categories of audits, time interval etc. Pages can contain an unlimited number of records.
- [Get categories permissions](/main/audit-trail-2/get_at2-v1-categories-permissions.md): This endpoint returns the categories permissions of audit trail events for the current user. Fetching forbidden categories in other endpoints will end up in a 403 Forbidden response.