Medplum

Medplum is an Apache 2.0 open-source, FHIR-native developer platform for shipping clinical software. It bundles a FHIR R4 datastore, REST and GraphQL APIs, a TypeScript SDK, React component library, OAuth 2.0 / SMART on FHIR authentication, declarative Access Policies, Subscriptions, and TypeScript-based serverless Bots — sold as a hosted service at api.medplum.com and as a self-hostable monorepo on GitHub. Medplum is HIPAA, SOC 2 Type II, and ONC-certified.

4 APIs 9 Features

HealthcareFHIROpen SourceDeveloper PlatformHIPAASMART on FHIRClinicalInteroperability

APIs

Medplum FHIR REST API

FHIR R4 REST API exposed at https://api.medplum.com/fhir/R4. Supports the full generic FHIR resource surface — create, read, update, patch, delete, search, history, and version-...

Medplum GraphQL API

FHIR-aware GraphQL endpoint at https://api.medplum.com/fhir/R4/$graphql. Supports typed nested queries, reverse-reference traversal (_reference), FHIRPath-style array filtering,...

Medplum Bots

Bots are TypeScript serverless functions (AWS Lambda-style) executed in response to FHIR Subscriptions, HTTP triggers, or scheduled cron. Bots are the backbone of Medplum integr...

Medplum Subscriptions

FHIR Subscription resources that match a search criteria and dispatch real-time notifications via REST hooks (webhooks) or Websockets when matching resources are created or upda...

Collections

Medplum - OpenAPI 3.0

POSTMAN

Arazzo Workflows

Medplum Amend Resource With History

Read a resource, update it, then inspect its version history and prior version.

ARAZZO

Medplum Clinical Data Query

Locate a patient by name, read the Patient resource, then pull that patient's Observations.

ARAZZO

Medplum Create Diagnostic Report

Create an Observation result, then assemble a DiagnosticReport that references it.

ARAZZO

Medplum Deploy Bot

Create a Bot resource, then create a Subscription that invokes the Bot on resource changes.

ARAZZO

Medplum FHIR Resource CRUD

Create a FHIR R4 resource, read it back by id, update it, then search the resource type for it.

ARAZZO

Medplum Finalize Observation

Find a preliminary Observation, patch its status to final, and read it back to confirm.

ARAZZO

Medplum Find And Delete Resource

Search a resource type, and if a match is found read it for audit then delete it.

ARAZZO

Medplum Register Patient With Observation

Create a Patient, then record a vital-sign Observation that references that patient.

ARAZZO

Medplum FHIR Resource Versioning

Create a FHIR resource, update it to mint a new version, read its history, then read a specific version.

ARAZZO

Medplum Schedule Encounter

Create a Practitioner, create an Encounter linking the patient and practitioner, then read it back.

ARAZZO

Medplum Upsert Patient

Search for a Patient by identifier and update it if found, otherwise create it.

ARAZZO

GraphQL

Medplum GraphQL API

FHIR-aware GraphQL endpoint at https://api.medplum.com/fhir/R4/$graphql. Supports typed nested queries, reverse-reference traversal (_reference), FHIRPath-style array filtering,...

GRAPHQL

Pricing Plans

Medplum Plans Pricing

6 plans

PLANS

Rate Limits

Medplum Rate Limits

5 limits

RATE LIMITS

FinOps

Medplum Finops

FINOPS

Features

FHIR-Native Datastore

PostgreSQL-backed datastore that natively models FHIR R4 resources, including search, history, and versioning.

REST + GraphQL APIs

Dual API surface — FHIR REST and FHIR-aware GraphQL — sharing the same authorization, schema, and access policies.

Bots (Serverless TypeScript Functions)

AWS Lambda-style TypeScript functions executed by Subscriptions, HTTP, or cron triggers; the integration backbone of Medplum.

Subscriptions (Webhooks + Websockets)

FHIR Subscription resources dispatch real-time notifications when matching resources change.

Access Policies

Declarative resource- and field-level authorization rules attached to ProjectMembership.

SMART on FHIR + OAuth 2.0

Standards-based authentication and authorization, supporting SMART App Launch 2.0.0 and Bulk Data 2.0.0.

TypeScript SDK and React Components

@medplum/core, @medplum/react, and @medplum/react-hooks provide typed client and reusable UI primitives.

On-Premise Agent

Bridges local clinical systems (HL7v2, DICOM, MLLP) to Medplum cloud.

AWS CDK Deployment

First-class CDK constructs for self-hosting Medplum on AWS.

Use Cases

Custom EHR Development

Build custom electronic health records on top of FHIR-native storage and React UI components.

Patient Engagement Portals

Ship patient-facing portals using SMART on FHIR auth and the Medplum React component library.

AI Scribe and Clinical Documentation

Capture clinical notes, run them through LLM pipelines via Bots, and persist structured FHIR resources.

HL7v2 to FHIR Integration

Receive legacy HL7v2 ADT, ORU, and SIU messages via the on-premise Agent and convert them to FHIR with Bots.

Population Health and Analytics

Use Bulk Data 2.0 exports and GraphQL aggregations for cohort and population-level analysis.

Care Management Workflows

Model longitudinal care plans, tasks, and questionnaires with FHIR-native resources.

Revenue Cycle Automation

Automate claim, coverage, and explanation-of-benefit workflows with Bots and Subscriptions.

Integrations

AWS

First-class deployment on AWS via CDK, with Bots running on Lambda and storage on RDS PostgreSQL.

HL7v2

Bidirectional HL7v2 messaging via the Medplum on-premise Agent.

FHIRcast

Real-time clinical-context synchronization protocol support.

Stripe

Billing and payment integration examples for revenue cycle.

Twilio

SMS, voice, and messaging integration patterns via Bots.

DocuSeal / DocuSign

Patient consent and document-signing integration examples.

SendGrid / Mailgun

Transactional email integration patterns via Bots.

AWS HealthLake

Cross-platform FHIR data exchange examples.

Solutions

Custom EHR

Build production EHR systems on top of Medplum.

Patient Portal

Reference patient-facing portal application.

Provider Portal

Reference provider-facing clinical application.

AI-Powered Clinical Scribe

Solution pattern for LLM-driven clinical documentation pipelines.

Population Health Platform

Solution pattern for cohort identification and outcome tracking.

Revenue Cycle Management

Solution pattern for automating claims, coverage, and billing workflows.

GitHubOrganization

Sources

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# --- truncated at 32 KB (4664 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/medplum/refs/heads/main/apis.yml