# CMS Open Payments Download API

**Canonical:** https://apis.io/apis/open-payments/open-payments-download-api/  
**Provider:** CMS Open Payments — https://apis.io/providers/open-payments/  
**Base URL:** https://openpaymentsdata.cms.gov/api/1  
**Documentation:** https://openpaymentsdata.cms.gov/about/api

CMS Open Payments Download API is one of 5 APIs that [CMS Open Payments](https://apis.io/providers/open-payments/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Downloads. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

Bulk CSV or JSON download of query results.

## Machine-readable artifacts (5)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/open-payments/refs/heads/main/openapi/open-payments-download-api-openapi.yml
- **Documentation** — https://openpaymentsdata.cms.gov/about/api
- **APIReference** — https://openpaymentsdata.cms.gov/datasets
- **OpenCollection** — https://raw.githubusercontent.com/api-evangelist/open-payments/refs/heads/main/collections/open-payments.opencollection.json
- **PostmanCollection** — https://raw.githubusercontent.com/api-evangelist/open-payments/refs/heads/main/collections/open-payments.postman_collection.json

## Other CMS Open Payments APIs (4)

- [CMS Open Payments Datastore Query API](https://apis.io/apis/open-payments/open-payments-datastore-query-api/)
- [CMS Open Payments Datastore SQL API](https://apis.io/apis/open-payments/open-payments-datastore-sql-api/)
- [CMS Open Payments Metastore API](https://apis.io/apis/open-payments/open-payments-metastore-api/)
- [CMS Open Payments Search API](https://apis.io/apis/open-payments/open-payments-search-api/)

## Tags

Downloads

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