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: Serif Health providerId: serif-health created: '2026-06-21' modified: '2026-06-21' reconciled: false tags: - Healthcare - Price Transparency - Negotiated Rates - Payer - Data - Rate Limiting - Quotas - Throttling description: >- Serif Health's pricing API is described publicly as fast and scalable up to millions of queries per month, with query volume tied to the customer's subscription. Specific published per-account or per-endpoint rate-limit values (RPM/RPD/quota) are not documented publicly and are governed by the customer's contract. Specific values are not reconciled in this artifact. notes: >- Confirm concrete rate-limit and quota values, throttling response codes, and Retry-After behavior directly with Serif Health on reconciliation; limits are tied to subscription tier and contract. sources: - https://www.serifhealth.com/platform/products/apis - https://www.serifhealth.com/blog/announcing-our-payer-price-transparency-analytics-portal-api - https://www.serifhealth.com/blog/announcing-the-serif-health-find-care-api-seamless-provider-search-via-price-transparency responseCodes: throttled: 429 limits: - name: Monthly Query Volume scope: account metric: requests limit: see subscription / contract notes: Public materials cite scalability up to millions of queries per month; per-account ceiling is contract-defined. - name: Requests Per Minute (RPM) scope: account metric: requests limit: see provider documentation notes: Not publicly documented; governed by subscription tier. policies: - name: Subscription-Based Limits description: Query volume and throughput are tied to the customer's subscription / contract tier. - name: Backoff Strategy description: Clients should implement exponential backoff with jitter and honor Retry-After on HTTP 429 responses. maintainers: - FN: Kin Lane email: kin@apievangelist.com