Serif Health

Serif Health turns federal hospital and payer price-transparency disclosures (machine-readable files) into normalized, decision-ready negotiated-rate data. Its REST APIs let teams query negotiated reimbursement rates and rate distributions by CPT/DRG code, payer, provider, and geography, search for in-network providers, and pull custom datasets and extracts.

Serif Health publishes 2 APIs on the APIs.io network: Distributions API and Rates API. Tagged areas include Healthcare, Price Transparency, Negotiated Rates, Payer, and Data.

Serif Health’s developer surface includes authentication, documentation, engineering blog, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
36.0/100 thin ▬ flat Agent 37/100 agent ready Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessPaidSelf serve
4 APIs
HealthcarePrice TransparencyNegotiated RatesPayerData

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 36.0/100 · thin
Contract Quality 16.7 / 25
Developer Ergonomics 4.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 3.4 / 13
Governance 0.0 / 12
Discoverability 7.4 / 10
Agent readiness — 37/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/serif-health: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

Serif Health Datasets & Extracts

Custom data pulls and extracts for specific EINs, NPIs, or taxonomy codes, delivered in common formats and optionally indexed back into the API by request.

Serif Health Payer Inventory

Live public inventory of 200+ payers with network-quality scoring, updated monthly, exposing data coverage and freshness across payer machine-readable files.

Serif Health Distributions API

The Distributions API from Serif Health — 1 operation(s) for distributions.

Serif Health Rates API

The Rates API from Serif Health — 1 operation(s) for rates.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Serif Health Pricing API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Serif Health Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Serif Health Rate Limits

2 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Serif Health Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Serif Health Authentication

http · 1 scheme

SECURITY

Serif Health Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Serif Health Agentic Access

2 operations

2 operations · 0 acting

AGENTIC

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess
AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 1

Status, limits, changes, and where to get help

RateLimits
RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans
Plans
 FinOps
FinOps

Company 3

The organization behind the API

LinkedIn
LinkedIn
 Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: serif-health
url: https://raw.githubusercontent.com/api-evangelist/serif-health/refs/heads/main/apis.yml
name: Serif Health
kind: company
description: Serif Health turns federal hospital and payer price-transparency disclosures (machine-readable files) into normalized,
  decision-ready negotiated-rate data. Its REST APIs let teams query negotiated reimbursement rates and rate distributions
  by CPT/DRG code, payer, provider, and geography, search for in-network providers, and pull custom datasets and extracts.
accessModel:
  pricing: paid
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Paid · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/serif-health.png
tags:
- Healthcare
- Price Transparency
- Negotiated Rates
- Payer
- Data
created: '2026-06-21'
modified: '2026-06-21'
specificationVersion: '0.19'
apis:
- aid: serif-health:datasets-extracts-api
  name: Serif Health Datasets & Extracts
  tags:
  - Datasets
  - Extracts
  - Data Delivery
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.serifhealth.com/platform/products/data-delivery
  baseURL: https://pricing-api.serifhealth.com
  properties:
  - url: https://www.serifhealth.com/platform/products/data-delivery
    type: Documentation
  description: Custom data pulls and extracts for specific EINs, NPIs, or taxonomy codes, delivered in common formats and
    optionally indexed back into the API by request.
- aid: serif-health:payer-inventory-api
  name: Serif Health Payer Inventory
  tags:
  - Payer Inventory
  - Coverage
  - Benchmarks
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://www.serifhealth.com/blog/announcing-our-live-payer-inventory-real-time-transparency-from-serif-health
  baseURL: https://www.serifhealth.com
  properties:
  - url: https://www.serifhealth.com/blog/announcing-our-live-payer-inventory-real-time-transparency-from-serif-health
    type: Documentation
  description: Live public inventory of 200+ payers with network-quality scoring, updated monthly, exposing data coverage
    and freshness across payer machine-readable files.
- aid: serif-health:serif-health-distributions-api
  name: Serif Health Distributions API
  description: The Distributions API from Serif Health — 1 operation(s) for distributions.
  humanURL: https://www.serifhealth.com/platform/products/apis
  baseURL: https://pricing-api.serifhealth.com
  tags:
  - Distributions
  properties:
  - type: OpenAPI
    url: openapi/serif-health-distributions-api-openapi.yml
  - type: Documentation
    url: https://docs.serifhealth.com
  - type: APIReference
    url: https://www.serifhealth.com/blog/announcing-our-payer-price-transparency-analytics-portal-api
  - type: PostmanCollection
    url: collections/serif-health.postman_collection.json
  - type: OpenCollection
    url: collections/serif-health.opencollection.json
  - type: Documentation
    url: https://www.serifhealth.com/blog/announcing-the-serif-health-find-care-api-seamless-provider-search-via-price-transparency
- aid: serif-health:serif-health-rates-api
  name: Serif Health Rates API
  description: The Rates API from Serif Health — 1 operation(s) for rates.
  humanURL: https://www.serifhealth.com/platform/products/apis
  baseURL: https://pricing-api.serifhealth.com
  tags:
  - Rates
  properties:
  - type: OpenAPI
    url: openapi/serif-health-rates-api-openapi.yml
  - type: Documentation
    url: https://docs.serifhealth.com
  - type: APIReference
    url: https://www.serifhealth.com/blog/announcing-our-payer-price-transparency-analytics-portal-api
  - type: PostmanCollection
    url: collections/serif-health.postman_collection.json
  - type: OpenCollection
    url: collections/serif-health.opencollection.json
  - type: Documentation
    url: https://www.serifhealth.com/blog/announcing-the-serif-health-find-care-api-seamless-provider-search-via-price-transparency
common:
- type: AgenticAccess
  url: agentic-access/serif-health-agentic-access.yml
- type: DomainSecurity
  url: security/serif-health-domain-security.yml
- type: Authentication
  url: authentication/serif-health-authentication.yml
- type: GitHubOrganization
  url: https://github.com/serif-health
- type: LinkedIn
  url: https://www.linkedin.com/company/serif-health
- type: Website
  url: https://www.serifhealth.com
- type: Documentation
  url: https://docs.serifhealth.com
- type: Plans
  url: plans/serif-health-plans-pricing.yml
- type: RateLimits
  url: rate-limits/serif-health-rate-limits.yml
- type: FinOps
  url: finops/serif-health-finops.yml
- url: https://www.serifhealth.com/blog
  type: Blog
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com