---
title: "List Knowledge Objects (catalog)"
method: GET
path: "/api/v1/knowledge"
tags: ["Knowledge"]
---

# List Knowledge Objects (catalog)

`GET /api/v1/knowledge`

## Request

- Base URL: `https://tradingstrategies.work`
- URL: `https://tradingstrategies.work/api/v1/knowledge`
- Auth: HTTP bearer

Discovery catalog of all published Knowledge Objects: every type with its subjects (`min_tier`, `api_path`, `seo_slug`, latest `as_of`). Lets an agent learn valid type/subject pairs instead of guessing. New types appear here automatically once published. [Free tier]

## Response `200`

Knowledge Object catalog (types + subjects).

- object

## Other responses

- `400`: Invalid input — fehlt Pflichtfeld oder Wert außerhalb des erlaubten Bereichs.
- `401`: Unauthenticated — kein gültiger Bearer-Token im Authorization-Header.
- `403`: Tier-Insufficient — Endpoint braucht höheren API-Tier. Response enthält upgrade_url.
- `404`: Not-Found — Resource existiert nicht oder gehört nicht dem aktuellen User.
- `429`: Rate-Limit überschritten — Tier-Quota (hourly/daily) oder Per-Endpoint-Quota erreicht. Retry-After-Header gesetzt.
- `500`: Internal Error.
- `503`: Upstream-Failure — Datenquelle nicht erreichbar (Binance, EODHD, etc.).

---

[API](https://skmtc.dev/tradingstrategies/apis/backtesting-arena-public-api.md) · [All operations](https://skmtc.dev/tradingstrategies/apis/backtesting-arena-public-api/llms.txt) · [OpenAPI document](https://skmtc.dev/tradingstrategies/apis/backtesting-arena-public-api/revisions/f82e8d6eecd7?raw)