Reference
Changelog
The API is versioned at /v1. Additive changes ship on v1; we’ll publish a deprecation timeline here before any breaking change.
2026-06-13· minor
NEWGET /v1/arbitrage/opportunities: ranked cross-market arbitrage (net spread, tradable quantity, per-leg freshness).
NEWGET /v1/attribute-prices/latest & /history: per-float/attribute bucket prices across markets.
IMPROVEDGET /v1/pricing/:marketHashName/history accepts an interval param (MINUTE_5 | MINUTE_15 | HOUR_1 | HOUR_6 | DAY_1) to pin bucket granularity.
2026-02-02· minor
IMPROVEDGET /v1/pricing/:marketHashName/history now auto-selects granularity from the requested range.
NEWGET /v1/nbbo/depth: aggregated order-book depth around the NBBO.
NEW2025-10-01· release
NEWCS2 pricing API v1. REST endpoints for NBBO, pricing, history, listings, recommendations, and market health.