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Blue Banana
v0.9 · public sandbox

A mock EHR for testing
healthcare integrations.

Synthetic FHIR R4 endpoints, ~1,000 realistic patients, and a webhook simulator — so you can build against an EHR without needing one.

REQUEST$ curl -H "Authorization: Bearer bb_…" \ https://bluebananaehr.com/api/fhir/r4/Patient?_count=1
RESPONSE · 200 OK{ "resourceType": "Bundle", "type": "searchset", "total": 1, "entry": [{ "resource": { "resourceType": "Patient", "id": "8f3a-4c12", "name": [{ "family": "Alvarez", "given": ["Marisol"] }], "gender": "female", "birthDate": "1986-04-12" } }] }

FHIR R4 surface

The endpoints, search params, and bundle semantics you'd expect from a real EHR — minus the procurement cycle.

42 resources · 180 endpoints

Synthetic patients

~1,000 deterministically-seeded patient records with longitudinal history, encounters, observations, and orders.

Zero PHI · deterministic seeds

Webhook simulator

Fire patient-created, encounter-updated, and lab-result-ready events on demand. Replay, inspect, retry.

38 event types · signed payloads