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: Lufthansa providerId: lufthansa 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 - Airlines - Travel description: Lufthansa Open API portal does not publish numeric rate-limits on its key info / docs landing. Limits are governed by plan (Open Data vs Fares) and are typically communicated post-registration. sources: - https://developer.lufthansa.com notes: No public rate-limits documentation found at reconciliation time. OAuth2 is required for all calls. responseCodes: throttled: 429 quotaExceeded: 429 limits: - name: Open Data Plan requests scope: api-key metric: varies limit: 'see developer portal post-registration' - name: Fares Plan requests scope: api-key metric: varies limit: 'see partner agreement' policies: - name: OAuth2 required description: All requests must be authorized via the OAuth2 token endpoint before calling resource APIs. - name: Plan-scoped access description: Endpoints available depend on Open Data vs Fares plan; calling out-of-plan endpoints yields 401/403 rather than 429. - name: Backoff description: On 429, retry with exponential backoff and respect Retry-After when present.