# CMR OpenSearch API

**Canonical:** https://apis.io/apis/nasa-cmr/cmr-opensearch/  
**Provider:** NASA CMR — https://apis.io/providers/nasa-cmr/  
**Base URL:** https://cmr.earthdata.nasa.gov/opensearch  
**Documentation:** https://cmr.earthdata.nasa.gov/opensearch/home/docs

CMR OpenSearch API is one of 9 APIs that [NASA CMR](https://apis.io/providers/nasa-cmr/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include OpenSearch, Discovery, and Collection. The published artifact set on APIs.io includes API documentation.

OpenSearch-compliant API wrapper for CMR Search enabling standard OpenSearch client integration. Supports collection discovery with spatial and temporal parameters. Complements the native REST search API for clients expecting OpenSearch Description Document (OSDD) responses.

## Machine-readable artifacts (1)

- **Documentation** — https://cmr.earthdata.nasa.gov/opensearch/home/docs

## Other NASA CMR APIs (8)

- [CMR Ingest API](https://apis.io/apis/nasa-cmr/cmr-ingest/)
- [CMR Access Control API](https://apis.io/apis/nasa-cmr/cmr-access-control/)
- [CMR GraphQL API](https://apis.io/apis/nasa-cmr/cmr-graphql/)
- [CMR STAC API](https://apis.io/apis/nasa-cmr/cmr-stac/)
- [NASA CMR Capabilities API](https://apis.io/apis/nasa-cmr/nasa-cmr-capabilities-api/)
- [NASA CMR Collections API](https://apis.io/apis/nasa-cmr/nasa-cmr-collections-api/)
- [NASA CMR Data API](https://apis.io/apis/nasa-cmr/nasa-cmr-data-api/)
- [NASA CMR STAC API](https://apis.io/apis/nasa-cmr/nasa-cmr-stac-api/)

## Tags

OpenSearch, Discovery, Collection

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