---
title: "Export tenant ledger"
method: GET
path: "/ledger"
tags: ["ledger"]
---

# Export tenant ledger

`GET /ledger`

## Request

- Base URL: `https://catalyst.stratogenic.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://catalyst.stratogenic.ai/ledger`
- Auth: API key in header `X-API-Key`

Exports the tenant's append-only change ledger (audit trail).

Queries Postgres as the primary durable store, falling back to the Redis
working set if Postgres is unavailable.

- format=json (default)
- format=csv (file download)
- since=<ISO timestamp> (optional filter)

Read-only. Intended for audit, governance reporting, and operational debugging.

## Query parameters

- `format` string
- `since` string, nullable

## Headers

- `X-User-Id` string, nullable

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/stratogenic/apis/stratogenic-catalyst-api.md) · [All operations](https://skmtc.dev/stratogenic/apis/stratogenic-catalyst-api/llms.txt) · [OpenAPI document](https://skmtc.dev/stratogenic/apis/stratogenic-catalyst-api/revisions/ad906ad7a85d?raw)