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: Refinitiv providerId: refinitiv 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: - Rate Limiting - Financial Data - Market Data - LSEG description: Refinitiv/LSEG product rate limits are not centrally published; each product (Real-Time, Tick History, World-Check One, DataScope, Workspace) has its own throttling rules documented inside its licensed developer portal and contractually negotiated message-rate ceilings. sources: - https://developers.lseg.com/ notes: Public, cross-product rate-limit numbers are unavailable. Limits are per-product and contract-bound. responseCodes: throttled: 429 limits: - name: Per-product contractual throttling scope: contract metric: varies limit: 'see product-specific developer portal under https://developers.lseg.com/' policies: - name: Contractual Throughput Caps description: Real-time and reference-data products enforce message- or request-rate caps defined in the LSEG license; numbers are accessible only after contract execution. - name: Per-Product Documentation description: Each Refinitiv/LSEG API has its own portal section with limit, retry, and reconnect guidance. maintainers: - FN: Kin Lane email: kin@apievangelist.com