# Knowledge base

Scenario and troubleshooting cookbooks. For headers, auth, and concurrency
settings, use the **Docs** tab.

## Articles

- [nthbouncer vs API gateways](/docs/knowledge-base/vs-api-gateways)
- [Configure Cloudflare Zero Trust](/docs/knowledge-base/cloudflare-zero-trust)
- [Proxy NetSuite under a concurrency limit](/docs/knowledge-base/netsuite-rest)
- [Front Amazon SP-API](/docs/knowledge-base/amazon-sp-api)
- [Reuse one pool across agent runs](/docs/knowledge-base/agent-pools)
- [Give a data team Claude access to Postgres](/docs/knowledge-base/claude-your-warehouse)
- [Share one origin across several pools](/docs/knowledge-base/capacity-auto)
- [Why a pool borrowed slots](/docs/knowledge-base/capacity-borrow)
- [Opt a GET into the response cache](/docs/knowledge-base/response-cache)
- [Acquire a concurrency lock without proxying](/docs/knowledge-base/concurrency-lock) ([API reference](/docs/api/locks))
- [Determine a request came from the proxy](/docs/knowledge-base/origin-verification)
- [Understand admission errors](/docs/knowledge-base/admission-errors)
- [Diagnose a 429 spike](/docs/knowledge-base/diagnose-429-spike)
- [See admits, queues, and rejects without exporting logs](/docs/knowledge-base/capacity-proof)

If you need something that is not covered here, start from [Introduction](/docs/intro)
or contact support from the dashboard.