generated: '2026-09-05' method: probed source: >- Live unauthenticated calls to https://gbp-blm-egis.hub.arcgis.com/api/search/v1 and https://gis.blm.gov/arcgis on 2026-09-05, plus a search of blm.gov and the GBP Hub for a published limits page. provider: Bureau of Land Management providerId: bureau-of-land-management note: | SUPERSEDES a scaffold. This file previously carried invented tiers (free 10 req/min, pro 100 req/min, enterprise 1000 req/min, X-RateLimit-* headers) written by a 2026-05-04 bulk sweep. None of it was real. BLM publishes no rate limits and returns no rate-limit headers. limit_count is 0 on purpose. An honest zero is the finding: an agent calling this API has no runtime signal telling it how hard it may push, and no documented ceiling to design against. The only real capacity signals BLM emits are per-request result caps, recorded under result_caps below — those are not rate limits, but they are what actually bounds a call. limit_count: 0 limits: [] headers: limit: null remaining: null reset: null retryAfter: null policy: null headers_observed: [] headers_note: >- No X-RateLimit-*, no RateLimit-*, no Retry-After on any response from either surface, probed 2026-09-05. responseCodes: throttled: null quotaExceeded: null result_caps: - surface: GBP Hub Search API param: limit max: 20000 evidence: 'limit=99999 -> HTTP 400 ["searchOptions.limit must not be greater than 20000"]' - surface: ArcGIS FeatureServer/MapServer query param: resultRecordCount max: 2000 field: maxRecordCount evidence: >- lands/BLM_Natl_NLCS_Generalized/FeatureServer/0 reports maxRecordCount 2000, standardMaxRecordCount 4000. Per-layer — read it from the layer document; it varies across the 785 services. policies: - name: No published fair-use policy description: >- BLM states no fair-use or acceptable-use terms for its API surfaces. The DOI disclaimer (https://www.doi.gov/disclaimer) is the only applicable published text and it addresses liability and endorsement, not request volume. maintainers: - FN: Kin Lane email: kin@apievangelist.com