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Centers for Medicare and Medicaid Services Cost Search API

For a given procedure code or entire set of codes, get national averages for the amount Medicare pays hospitals or surgical centers, and the national average copay amounts.

Centers for Medicare and Medicaid Services Cost Search API is one of 16 APIs that Centers for Medicare and Medicaid Services publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Cost Search. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, and a GitHub repository.

This API exposes 2 operations across 2 paths, and defines 1 schema. It is described by OpenAPI 2.0, at version 1.

Requests are made against the base URL https://marketplace.api.healthcare.gov/api/v1.

2 operations 2 paths 1 schemas 2 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 2.0
API Version
1
Base URL
https://marketplace.api.healthcare.gov/api/v1
Authentication
API Key
Resource Areas
1

Authentication & Security 1

Centers for Medicare and Medicaid Services Cost Search API declares 1 security scheme for authenticating requests. An API key is passed in the query as apikey (API Key). By default, every request must be authenticated.

  • API Key — Your API key should be included as a query parameter with the request. You can [fill out this form](https://cms.gov1.qualtrics.com/jfe/form/SV4N2GHCJfNuX7n8x)…

Paths & Operations 2

Across 2 paths, the API surfaces 2 operations — 2 GET. Each is listed below with its method, path, parameters, and response codes.

Cost Search 2

For a given procedure code or entire set of codes, get national averages for the amount Medicare pays hospitals or surgical centers, and the national average copay amounts.

GET
/costs/{code}
Cost data for a given code
getCostByCode 1 param → 200400401403404500
GET
/costs
Gets a set of cost data for given limit
getBatchCosts 1 param → 200400401403500

Schemas 1

The contract defines 1 schema that model the data the API accepts and returns. The most detailed is Cost (4 properties). Each schema is shown below with its type and property counts.

Cost
object
4 properties 4 required

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

cms-cost-search-api-openapi.yml Raw ↑

Other APIs Centers for Medicare and Medicaid Services publishes across the network.

CMS Beneficiary Claims Data API (BCDA)
CMS AB2D API (Claims Data to Part D Sponsors)
CMS Data at the Point of Care (DPC) API
CMS Finder API
CMS Quality Payment Program (QPP) Submissions API
Centers for Medicare and Medicaid Services API Reference API
Centers for Medicare and Medicaid Services Bulk Data API
Centers for Medicare and Medicaid Services Code Search API
Centers for Medicare and Medicaid Services Enrollments API
Centers for Medicare and Medicaid Services Geography API
Centers for Medicare and Medicaid Services Households & Eligibility API
Centers for Medicare and Medicaid Services Insurance Issuers API