- Full OpenAPI 3.0 spec covering all 20 endpoints - Swagger UI served at /docs via CDN (zero deps) - Spec at /docs/openapi.yaml (go:embed) - Real data examples (Selic 15%, USD/BRL 5.19, etc.) - Publicly accessible (no API key needed for docs)
- 20 Go source files, single 16MB binary - SQLite + FTS5 full-text search (pure Go, no CGO) - BCB integration: Selic, CDI, IPCA, USD/BRL, EUR/BRL - CVM integration: 2,524 companies from registry - Fiber v2 REST API with 42 handlers - Auto-seeds on first run (~5s for BCB + CVM) - Token bucket rate limiter, optional API key auth - Periodic sync scheduler (configurable) - Graceful shutdown, structured logging (slog) - All endpoints tested with real data
