OystEHR FHIR API

by OystEHR  · Based in United States → — The complete health tech developer platform
Family Medicine Internal Medicine Pediatrics
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Usage-based
Regulatory Status Disclosed

Overview

OystEHR is an API-first health tech cloud service that provides FHIR-based data interoperability and infrastructure for developing next-generation healthcare solutions. It offers a headless cloud service with all the necessary APIs and infrastructure for developers and builders to create health tech and EHRs. OystEHR aims to solve the challenges of EHR integrations and interoperability, allowing for rapid development and scaling of medical software.

The platform provides a core data model, cloud infrastructure, EHR interoperability, and compliance as a single service. It emphasizes transparent, usage-based pricing, eliminating upfront expenses, lengthy annual commitments, and per-provider fees. OystEHR is designed to be developer-first, providing tools and services to build custom EHR solutions and integrate with existing systems.

Reviewed by Pouyan Golshani, MD — Interventional Radiologist

Key Features

  • FHIR R4 and R5 APIs
  • ONC Certification as a Service
  • Auth (Credential and secret management, MFA, OAuth2)
  • Zambdas (Custom endpoints)
  • Console and SDK
  • Clinical Services (Telehealth, eRx, insurance validation, claims submission)
  • Interoperability
  • Open-source EHR (Ottehr)
  • Transparent, usage-based pricing
  • Data ownership and unsiloing

Use Cases

  • Building custom EHR solutions
  • Developing next-generation health tech products
  • EHR integration and interoperability
  • Telehealth and patient messaging
  • Revenue cycle management and claims submission
  • Automating HEDIS reporting

What Physicians Need to Know

Healthcare API Support (FHIR/HL7)
OystEHR offers a comprehensive read/write FHIR API and hosted storage for FHIR R4, R4B, and R5, making FHIR its native data model. It supports CRUD operations, advanced resource history, batch and transaction capabilities, and SMART on FHIR scopes.
HIPAA-Compliant Infrastructure
OystEHR provides a HIPAA-compliant cloud infrastructure, handling the complexities of health-tech regulation. It is also SOC 2 Type 1 certified and ensures compliance with ONC and X12 standards.
Clinical NLP Capabilities
OystEHR's Terminology Service provides API endpoints for searching medical coding systems, including CPT (Current Procedural Terminology) and HCPCS Level II codes by code or description.
De-Identification Tools
Information regarding de-identification tools is not explicitly mentioned in the provided search results.
Medical Terminology Support
The platform offers a Terminology Service with API endpoints for searching CPT and HCPCS Level II codes.
Sandbox/Testing Environment
Developers can request sandbox access to explore the platform and its features, and schedule a demo.
SDK Languages
OystEHR provides a TypeScript SDK for interacting with its FHIR and Project APIs, offering complete typing for requests and responses, convenience functions, and FHIR support for R4B and R5 versions.
Rate Limits & Pricing
OystEHR uses a usage-based pricing model with no upfront expenses, annual commitments, per-provider fees, or hidden costs for integrations or API access. Costs include monthly active users, FHIR/Project API invocations ($0.001 per request), custom function invocations, storage, and medical services like eRx and insurance eligibility. The API has a 6 MiB response size limit.
Certification Program
OystEHR is ONC Certified (2015 Edition) and compliant with FHIR, USCDI, ONC, X12, and HIPAA standards. Its certification allows users to qualify for MIPs reimbursement.
Physician Tip

OystEHR's native FHIR support and comprehensive API can significantly reduce the administrative burden of data reconciliation, potentially saving up to 780 hours per physician annually. Its integrated clinical services, including telehealth, patient messaging, e-prescriptions, and revenue cycle management, can streamline workflows. The platform's ONC certification and HIPAA compliance help ensure regulatory adherence, allowing physicians to focus more on patient care.

OystEHR is an API-first solution designed for seamless interoperability, allowing developers to build custom healthcare solutions and integrate with various systems. It supports custom endpoints via 'Zambdas' (serverless hosted functions) for direct access to OystEHR events and data. The platform integrates with a wide range of systems, including Epic, Athenahealth, Oracle Cerner, Twilio, and SendGrid.

Details

Category Developer Tools & APIs, EMR / EHR Systems
Pricing Usage-based
  • Monthly Active Users: $0.25 per user; FHIR/Project API Invocations: $0.001 per request; Custom Function (Zambda) Invocations: $0.00002 per request; Custom Function (Zambda) GB-s: $0.002; M2M Client Tokens: $0.005 per token; File Storage: $0.023 GB/month; Database Storage: $0.10 GB/month; Monthly eRX (non-EPCS/EPCS): $35 / $45 per provider; Insurance Eligibility: $0.10 per check; Monthly Procedure and Diagnosis Code Service: $7 per provider; Comprehensive RCM: $1.50 per claim; Lab and Imaging Orders and Results: Free; SMS: $0.0079 per text
DeploymentCloud-based
Compliance
BAA AvailableUnknown AI-estimated
HIPAA CompliantUnknown AI-estimated
FDA Status Not applicable AI-estimated
Integrations
EHR Not specified
Specialties Family Medicine, Internal Medicine, Pediatrics

What the Web Says

OystEHR offers a hosted headless EHR platform with FHIR API support, designed for healthcare developers to build custom EHR solutions. It provides cloud infrastructure, compliance (HIPAA and ONC), identity management, messaging, telehealth, eRx, real-time eligibility, and claim submission as a single service. The platform is highlighted for its developer-first approach, offering APIs and infrastructure for health tech and EHR creation.

Overall: Mixed

Strengths

  • Developer-first platform with robust APIs and infrastructure
  • Supports FHIR API
  • Includes cloud infrastructure and compliance (HIPAA, ONC)
  • Offers identity management, messaging, telehealth, eRx, real-time eligibility, and claim submission
  • High customizability, allowing users control over their data
  • Enables building custom EHR solutions like scheduling, charting, and billing

Limitations

  • Limited reviews available from physicians, healthcare IT, or tech reviewers
  • No specific reviews found on Reddit, G2, or Capterra for the FHIR API product, only for 'Oyster HR'
  • Lack of detailed user feedback on the performance and ease of use of the FHIR API itself

Based on reviews from: Elion, G2, Trustpilot, ADP Marketplace

Last updated: 2026-07-03

Ratings & Reviews

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Press & Coverage

OystEHR Documentation
FHIR API - Oystehr & Ottehr Documentation
OystEHR's FHIR API is an implementation of the FHIR specification, designed to improve interoperability in healthcare by using FHIR as the native data model. It supports FHIR versions R4B and R5, offering features like resource history, provenance, and batch/transaction capabilities.
2026-06
OystEHR EHR Services
FHIR R4/R5 APIs - Oystehr EHR Services
OystEHR provides a comprehensive read/write FHIR API and hosted storage for both R4 and R5, emphasizing that FHIR is its native data model for enhanced interoperability. The API is integrated with other OystEHR services, enabling workflows like insurance validation, claims submission, and diagnostic test ordering.
2026-06
OystEHR EHR Services
Compliance and Standards - Oystehr EHR Services
OystEHR ensures compliance with healthcare regulations like FHIR, USCDI, ONC, X12, and HIPAA, handling the complexities of a shifting regulatory landscape. The FHIR API's integration with other services allows for compliant execution of various healthcare workflows.
2026-06
OystEHR EHR Services
Interoperability - Oystehr EHR Services
OystEHR prioritizes interoperability by leveraging FHIR R4, R5, and SMART on FHIR standards, aiming to unsilo health data for connected care and better outcomes. The platform's API-first approach allows for flexible integration and avoids vendor lock-in by using FHIR as the foundational data model.
2026-06
OystEHR EHR Services
Open-Source EHR - Oystehr EHR Services
OystEHR offers an open-source front-end EHR solution, aiming to significantly reduce the time and cost of deploying healthcare software. The underlying FHIR API and headless services are crucial to this goal, providing a flexible foundation for custom EHR implementations.
2026-06

Videos

Product demos, reviews, and walkthroughs for OystEHR FHIR API.

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Frequently Asked Questions

OystEHR FHIR API leverages AI to streamline data exchange and enhance clinical workflows. For physicians, this can mean AI-assisted data extraction from unstructured notes, intelligent patient matching across systems, and predictive analytics for population health management, ultimately reducing administrative burden and improving decision-making.
OystEHR FHIR API is designed with robust compliance measures, including HIPAA-compliant data handling, encryption protocols, and access controls to ensure patient data privacy. We adhere to industry best practices and emerging guidelines for ethical AI in healthcare, focusing on transparency, fairness, and accountability in AI-driven functionalities.
While several FHIR APIs and healthcare AI solutions exist, OystEHR FHIR API differentiates itself through its physician-centric design, robust AI capabilities tailored for clinical workflows, and a strong emphasis on interoperability with diverse EHR systems. Our focus is on practical, actionable AI insights directly integrated into your existing tools.
OystEHR FHIR API offers flexible pricing tiers designed to accommodate both individual practitioners and larger healthcare organizations. Our models typically involve a base subscription fee with additional costs based on data volume, API calls, or specific AI feature usage. Detailed pricing information is available upon request after an initial consultation.
Currently, OystEHR FHIR API's AI excels in data standardization and basic predictive analytics. While continuously evolving, some limitations may include highly specialized diagnostic AI or complex natural language generation. Our roadmap includes expanding into more advanced clinical decision support, personalized treatment recommendations, and enhanced interoperability with emerging health technologies.
OystEHR FHIR API employs rigorous data validation processes and utilizes diverse, de-identified datasets to train its AI algorithms, aiming to minimize biases. We continuously monitor algorithm performance and implement feedback mechanisms to improve accuracy and ensure equitable outcomes across diverse patient populations.
OystEHR provides comprehensive technical support, including dedicated account managers, online documentation, and training modules tailored for healthcare professionals. We offer step-by-step guidance for integration and ongoing assistance to ensure even non-tech-savvy physicians can effectively leverage the OystEHR FHIR API in their practice.

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Suggest an Edit → | Last Verified: 2026-07-03 | First Added: 2026-07-03
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