API Engineering Patterns
API patterns from real production automation across 18 vendors. Every entry has a date and context. This is where curl one-liners, netapi workflows, and API integration lessons live.
Pages
| Page | Focus |
|---|---|
HTTP methods, status codes, content negotiation, headers |
|
Basic, Bearer, JWT, mTLS, API key, cookie — every auth scheme used |
|
ISE ERS API (port 9060) — endpoints, policies, profiles, SGTs |
|
ISE DataConnect (port 2484) — SQL queries, JDBC, analytics |
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Vault KV, PKI, SSH CA — secret and certificate operations |
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curl patterns from real troubleshooting and automation |
|
netapi CLI — custom 18-vendor automation tool |
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Pagination strategies, retry logic, error handling |
Codex vs Pattern Journal
This captures when I used it. For syntax reference, see the Codex.