Two-way sync
Changes in ConnectWise or Kustomer instantly reflect in both systems. No stale data, no manual imports.
Keep ConnectWise and Kustomer in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
The CRM is supposed to be the record of every customer relationship, but customer-relevant information also accumulates in the other tools a team runs. Whatever ConnectWise holds or produces that touches a customer, whether conversations, payments, replies, enriched data, or notes, the CRM only benefits if it arrives without someone copying it over.
Stacksync connects Agreements, Projects, Time Entries, Invoices in ConnectWise to Customers, Conversations, Messages, Companies in Kustomer with bi-directional, real-time sync. Activity and record changes in ConnectWise update the matching contact or account in Kustomer, and CRM data flows the other way wherever ConnectWise can store and use it.
Tickets and conversations attach to the right contact and account in Kustomer, so sales sees open issues before the next call.
Enriched fields land directly on records in Kustomer, and refreshes keep them from going stale.
Charges, refunds, and subscription changes appear on the account in Kustomer, so revenue context lives with the relationship.
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.
| ConnectWise objects | Kustomer objects | |
|---|---|---|
| Activities Sales and service activity records synced for engagement reporting. | Conversations Support threads across channels sync outward for analytics and CRM context. | |
| Companies Client and prospect account records that anchor most other PSA data in a sync. | Messages Individual messages within conversations support full-thread replication. | |
| Contacts People attached to companies, commonly synced against CRM contact records. | Companies Organization records group customers and map to CRM accounts. | |
| Service Tickets Support and service desk tickets, including status, board, and priority fields. | Custom Objects (Klasses) Structured external records such as orders and subscriptions synced in to appear on the customer timeline. | |
| Opportunities Sales pipeline records synced to CRMs for forecasting and handoff. | Users Agent records map conversation ownership to people in other systems. | |
| Agreements Recurring contracts and managed-service agreements used for billing reconciliation. | Teams Team assignments support routing parity and reporting. |
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every ConnectWise–Kustomer connection.
Changes in ConnectWise or Kustomer instantly reflect in both systems. No stale data, no manual imports.
Trigger automated workflows whenever ConnectWise or Kustomer data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
Handle millions of events per minute without losing a single ConnectWise or Kustomer record.
Track your ConnectWise ⇄ Kustomer sync health, view errors, and replay failed events in one click.
Transform legacy EDI complexity into simple database interactions between ConnectWise and Kustomer.
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 ConnectWise and Kustomer 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 ConnectWise and Kustomer 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 ConnectWise and Kustomer: authenticate both systems, choose the objects to sync (such as ConnectWise's Activities and Companies), map fields visually, and changes propagate both ways in milliseconds — no code required.
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.
Common patterns for ConnectWise and Kustomer: Where ConnectWise handles support or shared inboxes; Where ConnectWise supplies contact or company data; Where ConnectWise processes payments. Tickets and conversations attach to the right contact and account in Kustomer, so sales sees open issues before the next call.
ConnectWise: REST API. Authentication: Public/private API key pair for an API member, combined with a registered clientId, sent via Basic authentication. Kustomer: REST API. Authentication: API key used as a bearer token, scoped by role. Stacksync manages authentication, retries, and rate limits on both sides.
ConnectWise: List endpoints support a conditions query parameter for server-side filtering on field values, which reduces sync payloads. Kustomer: Kustomer's data model centers on a customer timeline: conversations, messages, and custom object records all appear chronologically against one customer record rather than as separate tickets. Stacksync's field mapping accounts for these differences between ConnectWise and Kustomer 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 ConnectWise and Kustomer records are not retained after a sync operation.
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 386 integrations available for ConnectWise and Kustomer.