specification: API Commons Rate Limits
specificationVersion: '0.1'
schema: https://raw.githubusercontent.com/api-evangelist/interface-research/main/schema/api-commons.yml#/$defs/RateLimits
provider: A. Schulman
providerId: a-schulman
created: '2026-05-04'
# Provenance stamped 2026-08-11: this artifact was written by the API Evangelist
# bulk sweep dated 2026-05-04, not harvested from the provider. See roadmap#35.
method: generated
modified: '2026-05-05'
reconciled: false
tags:
  - Plastics
  - Polymers
  - Manufacturing
  - Rate Limiting
description: A. Schulman / LyondellBasell APS does not publish public rate-limit documentation. Throughput
  is governed by the customer / distributor agreement.
notes: No public developer rate-limit documentation — placeholder only.
sources:
  - https://www.lyondellbasell.com
responseCodes:
  throttled: 429
limits:
  - name: Customer agreement throttling
    scope: account
    metric: varies
    limit: governed by customer agreement; no public numeric ceiling
policies:
  - name: Contract-defined throttling
    description: Order/catalog request volumes are governed by the LyondellBasell customer agreement;
      coordinate any volume changes with customer service.
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com