Payerset
Payerset is a healthcare price transparency data company that parses every payer Transparency in Coverage (TiC) machine-readable file and compliant hospital MRF each quarter, enriches negotiated rates with provider, payer, and claims metadata, and delivers it as analytics-ready datasets. The Payerset Data Lake API exposes payer-provider negotiated rate lookups, NPI/TIN provider mapping, billing-code classification, and hospital MRF discovery via a REST API authenticated with an x-api-key header.
Payerset publishes 5 APIs on the APIs.io network, including Billing Codes API, Hospital MRF API, Payers API, and 2 more. Tagged areas include Healthcare, Price Transparency, Negotiated Rates, Machine-Readable Files, and Payer Data.
Payerset’s developer surface includes authentication, documentation, engineering blog, and 8 more developer resources.
Kin Score
APIs 5
Individual APIs this provider publishes, each with its own machine-readable definition.
Payerset Billing Codes API
Billing code classification, categorization, and code type reference data.
Payerset Hospital MRF API
Hospital price transparency machine-readable file discovery (hospitals, systems, payers).
Payerset Payers API
Payer reference metadata and payer listings.
Payerset Providers API
Provider (NPI), organization, and tax identification (TIN) reference metadata and mappings.
Payerset Rates API
Payer-provider negotiated rate lookups from Transparency in Coverage MRFs.
Open Collections 7
Open, tool-agnostic API collections (OpenAPI-derived and Bruno).
API Collection
OPEN COLLECTIONPayerset Data Lake Billing Codes API
OPEN COLLECTIONPayerset Data Lake Billing Codes Hospital MRF API
OPEN COLLECTIONPayerset Data Lake Billing Codes Payers API
OPEN COLLECTIONPayerset Data Lake Billing Codes Providers API
OPEN COLLECTIONPayerset Data Lake Billing Codes Rates API
OPEN COLLECTIONPayerset Data Lake API
OPEN COLLECTIONScroll for all 7
Pricing Plans 1
Published pricing tiers and plan structures.
Rate Limits 1
Documented rate limits and quota policies.
Payerset Rate Limits
RATE LIMITSFinOps 1
Cost, billing, and metering signals for API financial operations.
Payerset Finops
FINOPSSecurity Posture 2
Authentication, domain security, vulnerability disclosure, and trust-center signals.
Agentic Access 1
Recommended x-agentic-access execution contracts for AI agents.
Resources
Documentation 1
Reference material describing how the API behaves
Agent Surfaces 1
MCP servers, agent skills, and machine-readable catalogs
Build 1
SDKs, sample code, and the tooling you integrate with
Access & Security 2
Authentication, authorization, and security posture
Operate 1
Status, limits, changes, and where to get help
Commercial 2
Pricing, plans, and the legal terms of use
Company 3
The organization behind the API
Source (apis.yml)
Work with this as data
Every provider here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for providers
9 MCP tools reach this
find_providersBrowse and filter every provider in the catalog.get_provider_artifactsEvery artifact this provider publishes, grouped by type.get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.get_provider_toolsEvery MCP tool they ship, with the operation each wraps.get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.get_provider_ratingPRO — composite, band, trend and facet scores.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
curl "https://apis.io/api/v1/providers/payerset"
curl "https://apis.io/api/v1/providers?limit=25"
curl "https://apis.io/api/v1/providers/payerset/operations?limit=25"
curl "https://apis.io/api/v1/providers/payerset/evidence"
Discovery needs no key. Ratings and market analysis are Pro.