aid: nasa-cmr
name: NASA CMR
description: 'NASA Common Metadata Repository (CMR) is a high-performance metadata
  system that catalogs Earth science data collections, granules, variables, services,
  and tools across NASA data centers. It provides REST, GraphQL, STAC, OpenSearch,
  and CSW interfaces for discovering, searching, and ingesting metadata for satellite
  and Earth observation datasets spanning decades of NASA missions.

  '
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/nasa-cmr/refs/heads/main/apis.yml
created: '2026-06-13'
modified: '2026-06-13'
specificationVersion: '0.19'
type: Index
tags:
- NASA
- Earth Science
- Satellite Data
- Remote Sensing
- Geospatial
- Open Data
- Metadata
- Collections
- Granules
apis:
- aid: nasa-cmr:cmr-search
  name: CMR Search API
  description: 'RESTful search API for discovering NASA Earth science data collections,
    granules, variables, services, and tools. Supports keyword, spatial, temporal,
    and faceted search across the full NASA Earthdata catalog. Returns results in
    multiple formats including JSON, XML, CSV, ECHO10, DIF, ISO-19115, KML, and UMM-JSON.

    '
  image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://cmr.earthdata.nasa.gov/search/site/docs/search/api.html
  baseURL: https://cmr.earthdata.nasa.gov/search
  tags:
  - Search
  - Collections
  - Granules
  - Variables
  - Services
  - Tools
  - Geospatial
  - Temporal
  properties:
  - type: Documentation
    url: https://cmr.earthdata.nasa.gov/search/site/docs/search/api.html
  - type: OpenAPI
    url: https://cmr.earthdata.nasa.gov/search/site/docs/search/api.html
  contact:
  - FN: NASA Earthdata Support
    url: https://www.earthdata.nasa.gov/engage/open-data-services-software/earthdata-developer-portal/cmr-api
    email: support@earthdata.nasa.gov
- aid: nasa-cmr:cmr-ingest
  name: CMR Ingest API
  description: 'REST API for creating, updating, and deleting metadata records in
    the Common Metadata Repository. Supports collections, granules, variables, services,
    tools, and subscriptions. Requires EDL Bearer Token or Launchpad SAML token authentication.
    Validates metadata against UMM schemas with revision tracking for all changes.

    '
  image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://cmr.earthdata.nasa.gov/ingest/site/docs/ingest/api.html
  baseURL: https://cmr.earthdata.nasa.gov/ingest
  tags:
  - Ingest
  - Metadata
  - Collections
  - Granules
  - Providers
  properties:
  - type: Documentation
    url: https://cmr.earthdata.nasa.gov/ingest/site/docs/ingest/api.html
  contact:
  - FN: NASA Earthdata Support
    url: https://www.earthdata.nasa.gov/engage/open-data-services-software/earthdata-developer-portal/cmr-api
    email: support@earthdata.nasa.gov
- aid: nasa-cmr:cmr-access-control
  name: CMR Access Control API
  description: 'REST API for managing Access Control Lists (ACLs) and checking user
    permissions across CMR concepts. Supports system, provider, single-instance, and
    catalog-item identity types. Enables fine-grained access control for NASA data
    providers and their collections.

    '
  image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://cmr.earthdata.nasa.gov/access-control/site/docs/access-control/api.html
  baseURL: https://cmr.earthdata.nasa.gov/access-control
  tags:
  - Access Control
  - ACL
  - Permissions
  - Security
  properties:
  - type: Documentation
    url: https://cmr.earthdata.nasa.gov/access-control/site/docs/access-control/api.html
  contact:
  - FN: NASA Earthdata Support
    url: https://www.earthdata.nasa.gov/engage/open-data-services-software/earthdata-developer-portal/cmr-api
    email: support@earthdata.nasa.gov
- aid: nasa-cmr:cmr-graphql
  name: CMR GraphQL API
  description: 'Unified GraphQL interface for querying the Common Metadata Repository.
    Provides a single endpoint to search collections, granules, variables, tools,
    services, citations, visualizations, grids, groups, subscriptions, and ACLs. Supports
    optional EDL Bearer Token authentication for accessing restricted resources.

    '
  image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://graphql.earthdata.nasa.gov/docs/introduction/introduction/
  baseURL: https://graphql.earthdata.nasa.gov/api
  tags:
  - GraphQL
  - Search
  - Collections
  - Granules
  - Unified
  properties:
  - type: Documentation
    url: https://graphql.earthdata.nasa.gov/docs/introduction/introduction/
  - url: graphql/nasa-cmr-graphql.md
    type: GraphQL
  contact:
  - FN: NASA Earthdata Support
    url: https://www.earthdata.nasa.gov/engage/open-data-services-software/earthdata-developer-portal/cmr-api
    email: support@earthdata.nasa.gov
- aid: nasa-cmr:cmr-stac
  name: CMR STAC API
  description: 'SpatioTemporal Asset Catalog (STAC) compliant API wrapping the CMR
    Search API. Organizes the full NASA CMR catalog by provider and enables discovery
    of STAC collections and items. CMR-CLOUDSTAC variant provides access only to cloud-hosted
    assets available in AWS S3.

    '
  image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://github.com/nasa/cmr-stac
  baseURL: https://cmr.earthdata.nasa.gov/stac
  tags:
  - STAC
  - Cloud
  - Collections
  - Items
  - Geospatial
  properties:
  - type: Documentation
    url: https://github.com/nasa/cmr-stac/blob/master/docs/usage/usage.md
  - type: GitHubRepository
    url: https://github.com/nasa/cmr-stac
  contact:
  - FN: NASA Earthdata Support
    url: https://www.earthdata.nasa.gov/engage/open-data-services-software/earthdata-developer-portal/cmr-api
    email: support@earthdata.nasa.gov
- aid: nasa-cmr:cmr-opensearch
  name: CMR OpenSearch API
  description: '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.

    '
  image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
  humanURL: https://cmr.earthdata.nasa.gov/opensearch/home/docs
  baseURL: https://cmr.earthdata.nasa.gov/opensearch
  tags:
  - OpenSearch
  - Discovery
  - Collections
  properties:
  - type: Documentation
    url: https://cmr.earthdata.nasa.gov/opensearch/home/docs
  contact:
  - FN: NASA Earthdata Support
    url: https://www.earthdata.nasa.gov/engage/open-data-services-software/earthdata-developer-portal/cmr-api
    email: support@earthdata.nasa.gov
common:
- type: Website
  url: https://www.earthdata.nasa.gov/about/esdis/eosdis/cmr
- type: Documentation
  url: https://www.earthdata.nasa.gov/engage/open-data-services-software/earthdata-developer-portal/cmr-api
- type: GitHubOrg
  url: https://github.com/nasa
- type: GitHubRepository
  url: https://github.com/nasa/Common-Metadata-Repository
- type: Forum
  url: https://forum.earthdata.nasa.gov/
- type: Login
  url: https://urs.earthdata.nasa.gov/
- type: StatusPage
  url: https://status.earthdata.nasa.gov/
- type: Blog
  url: https://www.earthdata.nasa.gov/news
- type: Plans
  url: plans/nasa-cmr-plans-pricing.yml
- type: RateLimits
  url: rate-limits/nasa-cmr-rate-limits.yml
- type: FinOps
  url: finops/nasa-cmr-finops.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com