Two-way sync
Changes in Active Directory or Resend instantly reflect in both systems. No stale data, no manual imports.
Keep Active Directory 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.
Active Directory is where a company records who its people are: their accounts, the groups and roles they hold, and the attributes attached to each one. Resend is where a slice of those same people do their work, as agents, members, or seats, and every one of them needs a matching account with the right access. When a directory and a productivity tool are maintained by hand, someone added, moved, or offboarded in one becomes a stale entry in the other within the hour.
Stacksync syncs Emails, Contacts, Audiences, Broadcasts in Resend with Organizational units, Organizational contacts, Users, Groups in Active Directory bi-directionally and in real time. A user created, renamed, moved between groups, or deactivated in either system updates the matching record in the other within seconds, with field-level mapping and conflict resolution in place of CSV uploads and nightly IT batch jobs.
That matters most at the edges of employment. When both systems agree on who has an account, which groups they belong to, and whether they are still active, granting access on day one and revoking it on the last day stops being a manual checklist that trails the directory.
People matched across both systems on email or an external ID stay linked, so every account and action in Resend ties back to the right identity in Active Directory.
A user added to Active Directory, or moved into a group inside it, gets the matching account or membership created in Resend, so a new hire can start working without a separate setup ticket.
When a user is disabled or removed in Active Directory, their account in Resend is deactivated in step, so offboarding shuts down access everywhere instead of leaving a live login behind.
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.
| Active Directory objects | Resend objects | How this pairing syncs | |
|---|---|---|---|
| Organizational contacts Directory contact objects (orgContact); synced for shared address-book and CRM person records. | Emails Sent messages retrievable by ID with current delivery status. | Organizational contacts is specific to Active Directory and Emails to Resend — each maps to any object or custom field on the other side. | |
| Users User accounts in Entra ID and on-prem AD DS; synced two-way to create, update attributes, and enable or disable accounts. | Contacts Recipient records with email, name, and subscription state, synced from CRMs or databases. | Users is specific to Active Directory and Contacts to Resend — each maps to any object or custom field on the other side. | |
| Groups Security and Microsoft 365 groups; synced two-way including name, type, and owner, with membership tracked separately. | Audiences Named contact lists that broadcasts target; typically mirrored from CRM segments. | Groups is specific to Active Directory and Audiences to Resend — each maps to any object or custom field on the other side. | |
| Group memberships Member and owner links between users and groups; membership add/remove changes are surfaced by delta query. | Broadcasts One-to-many campaign sends addressed to an audience. | Group memberships is specific to Active Directory and Broadcasts to Resend — each maps to any object or custom field on the other side. | |
| Devices Registered and joined device objects; typically read into a database for inventory and compliance reporting. | Domains Verified sending domains with DNS and DKIM status. | Devices is specific to Active Directory and Domains to Resend — each maps to any object or custom field on the other side. | |
| Directory roles Admin role assignments (directoryRole); read for access reviews and least-privilege governance. | Email events Delivered, bounced, complained, opened, and clicked events emitted via webhooks and written back to source systems. | Directory roles is specific to Active Directory and Email events to Resend — each maps to any object or custom field on the other side. |
Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.
DetectionActive Directory notifies Stacksync of record changes through webhook events. Microsoft Graph delta query (change tracking) for Users and Groups, plus change-notification subscriptions (webhooks) for near-real-time triggers.
DeliveryEach detected change is written to Resend through its API, with automatic retries and rate-limit backoff.
DetectionResend notifies Stacksync of record changes through webhook events. Webhooks for email lifecycle events.
DeliveryEach detected change is written to Active Directory through its API, with automatic retries and rate-limit backoff.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Active Directory–Resend connection.
Changes in Active Directory or Resend instantly reflect in both systems. No stale data, no manual imports.
Trigger automated workflows whenever Active Directory or Resend data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
Handle millions of events per minute without losing a single Active Directory or Resend record.
Track your Active Directory ⇄ Resend sync health, view errors, and replay failed events in one click.
Transform legacy EDI complexity into simple database interactions between Active Directory and Resend.
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.
Authenticate Active Directory 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.
Pick the Active Directory 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.
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Yes. Stacksync provides a managed, real-time two-way integration between Active Directory and Resend: authenticate both systems, choose the objects to sync (such as Active Directory's Organizational contacts and Users), map fields visually, and changes propagate both ways in milliseconds — no code required.
Resend: The send endpoint supports idempotency keys, which matters when a sync pipeline retries requests. Active Directory: For hybrid users mastered on-premises, some attributes (e.g. userPrincipalName) cannot be changed in Entra ID because the object is sourced from AD DS. Stacksync's field mapping accounts for these differences between Active Directory and Resend without custom code.
Stacksync is SOC 2 Type II and ISO 27001 certified with HIPAA BAA support. Data is encrypted in transit, and a zero-persistent-storage architecture means Active Directory and Resend records are not retained after a sync operation.
Stacksync pricing is usage-based and starts at $1,000/month, including the managed Active Directory and Resend connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Active Directory–Resend integration in-house.
Yes — Stacksync ships production-grade connectors for both Active Directory and Resend. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
Change detection on Active Directory: Microsoft Graph delta query (change tracking) for Users and Groups, plus change-notification subscriptions (webhooks) for near-real-time triggers; on-prem AD DS uses the DirSync control and uSNChanged polling. 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.
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.
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Securely connects to your systems with:
Every pair below is a real-time, two-way sync. Search all 393 integrations available for Active Directory and Resend.