Real-time
Two-way sync
Changes in eClinicalWorks or Resend instantly reflect in both systems. No stale data, no manual imports.
Business productivity
eClinicalWorks to Resend integration — real-time, two-way sync
Keep eClinicalWorks and Resend in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
- SOC 2 and 6 other compliance frameworks
- POC with real engineers in minutes
Adopted by fast-scaling companies moving mission-critical data in real time
Case study
Migrated from Mulesoft
Case study
Migrated from Celigo
Migrated from Heroku Connect
Migrated from Matillion
Case study
Migrated from Fivetran
Case study
Migrated from Celigo
Why teams connect eClinicalWorks and Resend
Stop re-entering the same information in eClinicalWorks and Resend: Stacksync keeps the records they share consistent in real time, in both directions.
Two tools in the daily stack often hold overlapping information: the same people, the same companies, or the same pieces of work, described twice. The tools do different jobs, so consolidating is not the answer; the overlap just needs to stop drifting.
Stacksync syncs Medications, Allergies, Immunizations, Documents in eClinicalWorks with Broadcasts, Domains, Email events, API keys in Resend in real time. You choose which records overlap, map the fields that should match, and pick a direction or let changes flow both ways. From then on, an update made in either tool is reflected in the other within seconds, without exports or copy-paste.
Because the sync is field-level, each tool keeps its own extras; only the shared data is held in agreement.
Common use cases
- Feed appointment events to reminder and messaging platforms to reduce no-shows.
- Keep provider directories consistent between eClinicalWorks and scheduling or marketing systems.
- Write delivery, bounce, and complaint events back to the CRM or a Postgres table for deliverability reporting.
- Trigger transactional sends when a row changes in an operational database, such as an order status update.
Where both tools track people or companies: one consistent record
Contact and company details corrected in either tool update the other, so nobody works from the old version.
Where one tool produces events: mirror them in the other
Payments, replies, messages, or tickets created in one tool can create or update matching records in the other, keeping context in one place.
Where Resend is where the team documents or plans: keep its data fed
Information that originates in eClinicalWorks stays current in Resend instead of going stale after a one-time paste.
What you can sync between eClinicalWorks and Resend
Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.
| eClinicalWorks objects | Resend objects | |
|---|---|---|
| Allergies Allergy and intolerance entries in the clinical record. | Audiences Named contact lists that broadcasts target; typically mirrored from CRM segments. | |
| Immunizations Vaccination history exposed for registries and patient apps. | Broadcasts One-to-many campaign sends addressed to an audience. | |
| Documents Clinical notes and attachments referenced from the chart. | Domains Verified sending domains with DNS and DKIM status. | |
| Diagnostic reports Structured result reports grouping observations for a study or panel. | Email events Delivered, bounced, complained, opened, and clicked events emitted via webhooks and written back to source systems. | |
| Patients Demographic records exposed via FHIR Patient resources and HL7 ADT feeds; the anchor for all clinical syncs. | API keys Scoped credentials managed per environment for send and read access. | |
| Appointments Scheduling records available via FHIR and HL7 SIU messages, synced for reminders and outreach. | Emails Sent messages retrievable by ID with current delivery status. |
What ships with eClinicalWorks ⇄ Resend
Connect eClinicalWorks and Resend for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every eClinicalWorks–Resend connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever eClinicalWorks or Resend data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
At scale
Event queues
Handle millions of events per minute without losing a single eClinicalWorks or Resend record.
Observability
Monitoring
Track your eClinicalWorks ⇄ Resend sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between eClinicalWorks and Resend.
How the eClinicalWorks and Resend connectors work
eClinicalWorks
- Integration surface
- FHIR R4 REST API plus HL7 v2 interfaces (ADT, SIU, ORU) through an interface engine
- Authentication
- OAuth 2.0 / SMART on FHIR for the FHIR API; site-configured credentials for HL7 interface connections
- Change detection
- HL7 interface feeds push event messages as they occur; the FHIR API is polled
- Capabilities
- read · write
- Rate limits
- Subject to the platform's API rate limits and interface throughput agreements
Resend
- Integration surface
- REST API
- Authentication
- API key (Bearer token)
- Change detection
- Webhooks for email lifecycle events; polling for contact and audience state
- Capabilities
- read · write · webhooks
How it works
How to connect eClinicalWorks to Resend — three steps, no code
Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.
- 01
Connect your apps
Authenticate eClinicalWorks and Resend with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
eClinicalWorks
connected
Resend
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the eClinicalWorks and Resend objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.
objects · eClinicalWorks ⇄ ResendCustomers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
eClinicalWorks ResendCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
eClinicalWorks and Resend integration FAQ
-
Yes. Stacksync provides a managed, real-time two-way integration between eClinicalWorks and Resend: authenticate both systems, choose the objects to sync (such as eClinicalWorks's Allergies and Immunizations), map fields visually, and changes propagate both ways in milliseconds — no code required.
-
Stacksync pricing is usage-based and starts at $1,000/month, including the managed eClinicalWorks and Resend connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom eClinicalWorks–Resend integration in-house.
-
Yes — Stacksync ships production-grade connectors for both eClinicalWorks and Resend. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
-
Change detection on eClinicalWorks: HL7 interface feeds push event messages as they occur; the FHIR API is polled. On Resend: Webhooks for email lifecycle events; polling for contact and audience state. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
-
On the eClinicalWorks side: Medications, Allergies, Immunizations, Documents, plus custom fields where eClinicalWorks exposes them. On the Resend side: Broadcasts, Domains, Email events, API keys. Stacksync auto-detects both schemas and converts types between the two systems.
-
Yes. Each object mapping can be bidirectional or restricted to a single direction (both systems accept writes). Read-only mirrors, one-way pushes, and full two-way sync can be mixed in the same integration.
SECURITY
Security teams love Stacksync
As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.
SOC 2 type II
ISO 27001
HIPAA BAA
GDPR
CCPA
CSA STAR
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS
SSO & SCIM
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Alerts
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Secure connection options
Securely connects to your systems with:
Related integrations
Every pair below is a real-time, two-way sync. Search all 386 integrations available for eClinicalWorks and Resend.
Popular · 8 of 386
-
eClinicalWorks ⇄ Twilio -
eClinicalWorks ⇄ GitHub -
eClinicalWorks ⇄ Atlassian -
eClinicalWorks ⇄ Braze -
Resend ⇄ Microsoft Teams -
Resend ⇄ NextGen Healthcare -
Resend ⇄ Orderful - Resend ⇄ ServiceNow
No integrations match .
