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: H&R Block providerId: hanr-block 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: - Tax Preparation - Financial Services - Rate Limiting - Quotas - Throttling description: H&R Block does not publish a public API rate-limit document. Throttling is governed by the partner agreement and is likely tightened during peak tax-filing season (Jan–Apr). notes: No public rate-limit documentation could be located. Expect seasonal throttling for any partner integration. sources: - https://www.hrblock.com/ headers: retryAfter: Retry-After responseCodes: throttled: 429 serviceUnavailable: 503 limits: - tier: enterprise name: Contract-defined per-partner limit scope: partner metric: varies limit: see partner agreement applies: - H&R Block API policies: - name: Backoff Strategy description: Honor Retry-After on 429 and back off with exponential jitter on transient 5xx. - name: Seasonal Capacity description: Tax-filing season (January–April) drives peak load; integrations should be capacity-tested ahead of January. - name: Partner Scoping description: Limits are enforced per partner credential. maintainers: - FN: Kin Lane email: kin@apievangelist.com