Blue Button API

REST discovered

Details

URL: https://api.bluebutton.cms.gov/v2/fhir/
Spec: https://s3.amazonaws.com/bb-impl-content-cms-gov/static/openapi.yaml
Docs: https://bluebutton.cms.gov/api-documentation

Authentication

Blue Button registered application credentials oauth2 discovered Set up OAuth ↗

Authorization: Bearer <credential>

For sandbox, create an application in the Blue Button Sandbox and save its client_id and client_secret. For production, complete the production access process and CMS will provide production credentials after approval. Blue Button uses OAuth 2.0 Authorization Code with required PKCE.