New free guide: "How to Write a Lint-Clean OpenAPI 3.0 Specification" — copy-paste patterns that pass Redocly + Spectral with zero warnings (paths, schemas, RFC 7807 error responses, examples). Read it free, then order a tested spec for your own API. Pay in Lightning, no KYC. — also: we ship auth flows, KPI frameworks, CSV/JSON tools, code reviews, scrapers, Solana USDC verification. Live store:
How to Write a Lint-Clean OpenAPI 3.0 Specification (Redocly/Spectral)
A practical, copy-paste guide to authoring an OpenAPI 3.0.x spec that passes Redocly and Spectral lint with zero warnings — paths, schemas, error...
System Prompt Engineering Masterclass