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GET
Get engine version

Authorizations

Authorization
string
header
required

API key starting with zt_live_ (production) or zt_test_ (sandbox). Get your key at https://developers.zebratruth.ai

Response

200 - application/json

Version info

engineVersion
string
Example:

"1.3.2"

rulesVersion
string

Timestamp of last rules update. Bumps when the compiled law set changes.

Example:

"2026-04-01"

agentVersions
object

Version per compliance agent. Bumps when an agent's logic changes.

Example:
stackVersion
string

Opaque identifier for the internal model/prompt stack. Bumps whenever the underlying model pipeline changes. Use it for client-side change detection (e.g. invalidate cached results, trigger replays). The format is intentionally opaque — treat it as a black-box string and pattern-match only for equality, never parse its structure.

Example:

"2026.04-a7f3"