Code-first walkthroughs of the API, with real request/response pairs you can reproduce — and the conventions and pitfalls spelled out.
OptionsEuropean and American pricing with full greeks, implied volatility, and the unit conventions (theta/day, vega per point) that usually bite first.
BondsThe full analytics sheet of a fixed-rate bond in one POST — clean/dirty, accrued, YTM — and why day counts and settlement dates are where spreadsheets go wrong.
RiskHistorical and parametric VaR side by side, portfolio mode with a positions × returns matrix, and a reproducible numpy example with byte-identical output.