# Centers for Medicare and Medicaid Services Insurance Plans API

**Canonical:** https://apis.io/apis/cms-gov/cms-insurance-plans-api/  
**Provider:** CMS — Centers for Medicare & Medicaid Services — https://apis.io/providers/cms-gov/  
**Base URL:** https://marketplace.api.healthcare.gov/api/v1  
**Documentation:** https://developer.cms.gov/marketplace-api/

Centers for Medicare and Medicaid Services Insurance Plans API is one of 62 APIs that [CMS — Centers for Medicare & Medicaid Services](https://apis.io/providers/cms-gov/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Insurance Plans. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, and a GitHub repository.

Data on both health and dental insurance plans.

## Operations (6)

| Method | Path | Summary |
|---|---|---|
| GET | `/crosswalk` | Crosswalk a previous year plan |
| POST | `/plans` | Get multiple plans |
| POST | `/plans/search` | Search for insurance plans |
| POST | `/plans/search/stats` | Retrieve stats on groups of insurance plans |
| GET | `/plans/{plan_id}` | Get a plan |
| GET | `/plans/{plan_id}/quality-ratings` | Get plans by plan id quality ratings |

## Machine-readable artifacts (7)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/cms-gov/refs/heads/main/openapi/cms-insurance-plans-api-openapi.yml
- **Documentation** — https://developer.cms.gov/marketplace-api/
- **Authentication** — https://developer.cms.gov/marketplace-api/key-request.html
- **Documentation** — https://bluebutton.cms.gov/api-documentation
- **Sandbox** — https://sandbox.bluebutton.cms.gov/v1/accounts/login
- **GitHubRepository** — https://github.com/CMSgov/bluebutton-web-server
- **Documentation** — https://developer.cms.gov/ppl-api/

## Other CMS — Centers for Medicare & Medicaid Services APIs (12)

- [CMS — Centers for Medicare & Medicaid Services Articles API](https://apis.io/apis/cms-gov/cms-gov-articles-api/)
- [CMS — Centers for Medicare & Medicaid Services Auth API](https://apis.io/apis/cms-gov/cms-gov-auth-api/)
- [CMS — Centers for Medicare & Medicaid Services Benchmarks API](https://apis.io/apis/cms-gov/cms-gov-benchmarks-api/)
- [CMS — Centers for Medicare & Medicaid Services Bulk Export API](https://apis.io/apis/cms-gov/cms-gov-bulk-export-api/)
- [CMS — Centers for Medicare & Medicaid Services Catalog API](https://apis.io/apis/cms-gov/cms-gov-catalog-api/)
- [CMS — Centers for Medicare & Medicaid Services Coverage API](https://apis.io/apis/cms-gov/cms-gov-coverage-api/)
- [CMS — Centers for Medicare & Medicaid Services Data API](https://apis.io/apis/cms-gov/cms-gov-data-api/)
- [CMS — Centers for Medicare & Medicaid Services Drugs API](https://apis.io/apis/cms-gov/cms-gov-drugs-api/)
- [CMS — Centers for Medicare & Medicaid Services Eligibility API](https://apis.io/apis/cms-gov/cms-gov-eligibility-api/)
- [CMS — Centers for Medicare & Medicaid Services ExplanationOfBenefit API](https://apis.io/apis/cms-gov/cms-gov-explanationofbenefit-api/)
- [CMS — Centers for Medicare & Medicaid Services Geography API](https://apis.io/apis/cms-gov/cms-gov-geography-api/)
- [CMS — Centers for Medicare & Medicaid Services Group API](https://apis.io/apis/cms-gov/cms-gov-group-api/)

## Tags

Insurance Plans

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cms-gov/cms-insurance-plans-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cms-gov/.