Real-time
Two-way sync
Changes in Customer.io or ServiceNow instantly reflect in both systems. No stale data, no manual imports.
Business productivity
Customer.io to ServiceNow integration — real-time, two-way sync
Keep Customer.io and ServiceNow 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 Customer.io and ServiceNow
Stop re-entering the same information in Customer.io and ServiceNow: 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 Deliveries / Messages, Newsletters, People, Objects in Customer.io with Tasks, Knowledge Articles, Custom Tables, Incidents in ServiceNow 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
- Sync product usage and billing attributes from Postgres onto Customer.io people so lifecycle campaigns trigger on real product behavior.
- Push CRM segments and lead status into Customer.io so messaging respects sales stage.
- Sync sys_user records with the HR system or identity provider so assignment groups stay accurate
- Mirror incident and task data into Postgres or a warehouse for SLA and workload reporting
Where ServiceNow is where the team documents or plans: keep its data fed
Information that originates in Customer.io stays current in ServiceNow instead of going stale after a one-time paste.
Handoffs between teams
When work started in one tool continues in the other, the shared fields travel with it automatically.
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.
What you can sync between Customer.io and ServiceNow
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.
| Customer.io objects | ServiceNow objects | |
|---|---|---|
| Broadcasts One-off sends to segments or audiences, triggerable via API. | Custom Tables Scoped or u_-prefixed tables are addressable through the same Table API as standard ones. | |
| Deliveries / Messages Per-recipient message records whose lifecycle events flow out through reporting webhooks. | Incidents The core ITSM ticket; commonly synced with engineering trackers and CRMs. | |
| Newsletters Recurring email sends with performance metrics available for reporting syncs. | Change Requests Track planned changes; synced to deployment and release tooling. | |
| People Profiles with attributes, matched on identifiers like id or email; the main write target of data syncs. | Problems Root-cause records linked to incidents, useful in cross-system reporting. | |
| Objects Non-person entities such as accounts or companies, related to people for account-level messaging. | Service Catalog Requests Requested items and approvals that often trigger provisioning in other systems. | |
| Events Behavioral events sent via the Track API that trigger campaigns. | Configuration Items (CMDB) Asset and infrastructure records synced with discovery tools and asset databases. |
What ships with Customer.io ⇄ ServiceNow
Connect Customer.io and ServiceNow for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Customer.io–ServiceNow connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Customer.io or ServiceNow 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 Customer.io or ServiceNow record.
Observability
Monitoring
Track your Customer.io ⇄ ServiceNow sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Customer.io and ServiceNow.
How the Customer.io and ServiceNow connectors work
Customer.io
- Integration surface
- REST APIs split by purpose: Track API for data ingestion, App API for campaigns, people lookups, and messages
- Authentication
- Basic auth with site ID and API key for the Track API; bearer token for the App API
- Change detection
- Reporting webhooks push message and delivery events; person attribute changes are not streamed and require source-side detection
- Capabilities
- read · write · webhooks
- Rate limits
- Subject to per-API rate limits documented by Customer.io
ServiceNow
- Integration surface
- REST API (Table, Import Set, and Aggregate APIs); SOAP remains for legacy integrations
- Authentication
- OAuth 2.0 or basic authentication against the instance
- Change detection
- Polling on sys_updated_on timestamps; instance admins can configure outbound push through business rules or Flow Designer
- Capabilities
- read · write
- Rate limits
- Subject to instance-level API rate limits and concurrency semaphores configured by administrators
How it works
How to connect Customer.io to ServiceNow — 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 Customer.io and ServiceNow with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Customer.io
connected
ServiceNow connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Customer.io and ServiceNow 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 · Customer.io ⇄ ServiceNowCustomers 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.
Customer.io ServiceNowCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Customer.io and ServiceNow integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Customer.io and ServiceNow: authenticate both systems, choose the objects to sync (such as Customer.io's Broadcasts and Deliveries / Messages), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Customer.io: Beyond people, Customer.io supports non-person objects (for example accounts) with typed relationships to people, enabling account-based messaging logic. ServiceNow: Business logic (business rules, ACLs) runs on API writes just as it does in the UI, so synced writes respect instance rules. Stacksync's field mapping accounts for these differences between Customer.io and ServiceNow without custom code.
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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 Customer.io and ServiceNow records are not retained after a sync operation.
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Stacksync pricing is usage-based and starts at $1,000/month, including the managed Customer.io and ServiceNow connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Customer.io–ServiceNow integration in-house.
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Yes — Stacksync ships production-grade connectors for both Customer.io and ServiceNow. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
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Change detection on Customer.io: Reporting webhooks push message and delivery events; person attribute changes are not streamed and require source-side detection. On ServiceNow: Polling on sys_updated_on timestamps; instance admins can configure outbound push through business rules or Flow Designer. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
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 Customer.io and ServiceNow.
Popular · 8 of 386
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Customer.io ⇄ GitHub -
Customer.io ⇄ Atlassian -
Customer.io ⇄ Braze -
Customer.io ⇄ ConnectWise -
ServiceNow ⇄ Microsoft Teams -
ServiceNow ⇄ NextGen Healthcare -
ServiceNow ⇄ Orderful -
ServiceNow ⇄ Resend
No integrations match .
