B2B REST API
5.11 B2B REST API
Separate base, separate auth, separate rate limits.
Base: https://b2b-api.yumo.io/v1
Auth: API key + authenticated requests with replay protection. The signing scheme and replay window are managed in the internal operations layer.
Rate limit: tier-dependent · separate quota from public API| Method | Path | Purpose |
|---|---|---|
| GET | /inflation-pulse | TR Inflation Pulse series |
| GET | /basket-panel | Basket Panel query |
| GET | /merchant-benchmarks | Merchant Benchmarks |
| POST | /cohort-query | Custom cohort with k-floor enforcement |
| GET | /catalog | Available products + freshness + pricing |
| GET | /methodology/{version} | Methodology document for a given version |
Every B2B response includes methodology_version, k_anonymity_floor, and the response's contributor count, so the buyer's compliance team can audit a release.