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Atlas HLTH Developer Platform

REST API, FHIR R4 resources, and real-time webhooks for integrating behavioral health routing into your EHR, care management, or payer platform.

OAuth 2.0 / SMART-on-FHIRHIPAA-AlignedHMAC-SHA256 Webhooks
13+
REST Endpoints
8
FHIR R4 Resources
8
Webhook Event Types
99.9%
API Uptime SLA

Authentication

All API requests are authenticated using Bearer tokens. API keys are scoped to specific capabilities and can be rotated or revoked at any time from the Enterprise Admin panel.

API Key Authentication

Server-to-server integration using scoped Bearer tokens. Keys are SHA-256 hashed at rest and support fine-grained permission scopes.

referrals:read
referrals:write
triage:read
analytics:read
webhooks:manage

OAuth 2.0 / SMART-on-FHIR

SMART-on-FHIR launch support is planned for Q3 2026, enabling EHR-embedded app launches with patient context. The current API key model is suitable for backend system integrations.

Coming Q3 2026

SMART App Launch, patient-level OAuth scopes, EHR context passing

Base URL & Versioning

# Production
https://api.atlashlth.com/api/v1

# Sandbox (coming Q3 2026 — request early access below)
https://sandbox.atlashlth.com/api/v1

# Interactive API Explorer (Swagger UI)
https://atlashlth.com/api/v1/docs

Rate Limits

TierRequests / minRequests / dayWebhooks
Sandbox601,0003 endpoints
Starter30050,00010 endpoints
Enterprise2,000UnlimitedUnlimited