API & DEVELOPER RESOURCES

Build, Integrate and
Innovate on OneHealthGrid

A comprehensive set of secure, standards-based APIs, SDKs, and developer tools to integrate, extend and build powerful healthcare solutions on OneHealthGrid.

For Developers
& Technical Teams

This section is primarily designed for developers, solution architects, system integrators, and technical teams to explore, integrate and build with OneHealthGrid.

Standards-Based

FHIR®, HL7, ABDM
compliant APIs

Secure & Compliant

OAuth2, JWT, encryption
and audit-ready

Well Documented

Comprehensive guides,
references and examples

Easy Integration

Integrate quickly with
SDKs and sample code

Scalable & Reliable

Built for enterprise and
nationwide deployments

BUILD WITH ONEHEALTHGRID APIS

A Complete API Platform for
Digital Health

Integrate core healthcare capabilities — from patient data and clinical workflows to ABDM, NHA, and state health systems — using our secure, interoperable and developer-friendly APIs.

Explore Our
API Catalog

Patient & Identity APIs

Patient record, registration, ABHA (ABDM) and consent

Clinical APIs

Encounters, diagnosis, medications, lab & reports

Operations APIs

Appointments, admissions, billing and inventory

Integration APIs

ABDM, NHA, State HMIS, HIE and external systems

Platform APIs

User, org, configuration, notifications and more

Quick Start
in 4 Steps

Get up and running with OneHealthGrid APIs in minutes.

Create an Account

Sign up for the
Developer Portal

Get API Credentials

Generate client ID
and client secret

Try in Sandbox

Test APIs with
sample data

Go Live

Complete verification
and move to production

Developer Resources
& Tools

SDKs & Libraries

Ready-to-use SDKs for faster integration

Sample Code

Working examples and integration use cases

Postman Collection

Pre-configured API collection for quick testing

OpenAPI Specs

Machine-readable API specifications (OAS 3.0)

Sample API Request (Create Patient)

cURL ⌄

1 curl –location –request POST \

2 ‘https://api.onehealthgrid.com/v1/patients’ \

3 –header ‘Authorization: Bearer <access_token>’ \

4 –header ‘Content-Type: application/json’ \

5 –data ‘{

6 “abhaId”: “ABHA1234567890”,

7 “name”: “Amit Kumar”,

8 “gender”: “M”,

9 “dob”: “1990-05-12”

10 }’

API Documentation

Detailed, developer-friendly documentation to help you integrate quickly and correctly.

API Reference Complete endpoints, request/response and errors →

Integration Guides Step-by-step integration for key use cases →

Authentication OAuth2, token management and security →

Data Models FHIR® resources and OneHealthGrid extensions →

Error Codes Standardized error responses and troubleshooting →

Developer Sandbox

Build, test and validate your integration in a fully functional, secure sandbox environment with realistic data.

✓ Sandbox API endpoints

✓ No production impact

✓ Test data and scenarios

✓ Reset and re-test anytime

ONEHEALTHGRID DEVELOPER PORTAL

Start Building with OneHealthGrid APIs

Access documentation, API keys, sample code, SDKs and sandbox to build your healthcare solution today.