Skip to content
Marketing ⇄ CRM

Cvent to Kustomer integration — real-time, two-way sync

Keep Cvent 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.

  • 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 Cvent and Kustomer

Keep the people you sell to and the people you market to in one shared view: Kustomer and Cvent sync contacts, accounts, and engagement in real time, in both directions.

Kustomer owns the customer relationship and the pipeline; Cvent runs the campaigns, audiences, and outreach that fill it. The two overlap on the same people and companies — a lead in one system is a subscriber, a segment member, an event registrant, or an ad audience in the other. When that overlap is bridged by CSV exports or a nightly job, sales works from lists that no longer match reality and marketing keeps targeting people whose status has already moved on.

Stacksync syncs Custom Objects (Klasses), Users, Teams, Tags in Kustomer with Contacts, Attendees and Registrations, Sessions, Speakers in Cvent field by field, in real time, and in both directions. You decide which system owns which fields — Kustomer can own account and opportunity status while Cvent owns engagement and campaign membership — and Stacksync keeps every copy consistent and resolves conflicts by rules you set.

Common use cases

  • 01 Mirror conversations and satisfaction data into a warehouse for support analytics and agent performance reporting
  • 02 Keep customer attributes updated from billing systems so routing rules and SLAs reflect account value
  • 03 Sync Sessions and Speakers into a content database or agenda app so schedule and speaker changes propagate without manual re-entry.
  • 04 Read Budgets and event financials into an ERP or finance database to reconcile planned versus actual event spend.

Common sync patterns

Lead and lifecycle status agree

Status, stage, or score set in one system updates the matching record in the other, so a lead marketing is still nurturing is not worked as sales-ready, and a closed account stops receiving prospecting.

Segments and audiences follow the CRM

Where Cvent builds lists, segments, or ad audiences, membership tracks the fields and stage owned in Kustomer, so who receives a campaign reflects current pipeline reality instead of a stale export.

Where Cvent generates leads: hand-off without re-keying

New leads or responders captured in Cvent flow into Kustomer assigned and deduplicated, so nothing sits in a marketing list waiting for someone to export it.

What you can sync between Cvent and Kustomer

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.

Cvent objects Kustomer objects How this pairing syncs
Surveys Survey definitions and responses; read out to a warehouse for post-event feedback analysis alongside attendance data. Conversations Support threads across channels sync outward for analytics and CRM context. Surveys is specific to Cvent and Conversations to Kustomer — each maps to any object or custom field on the other side.
Budgets Event budget line items; read into a finance database or ERP to reconcile planned versus actual event spend. Messages Individual messages within conversations support full-thread replication. Budgets is specific to Cvent and Messages to Kustomer — each maps to any object or custom field on the other side.
Events Top-level event containers created and updated through the Events endpoints; read out for reporting and written to provision events from an external system. Companies Organization records group customers and map to CRM accounts. Events is specific to Cvent and Companies to Kustomer — each maps to any object or custom field on the other side.
Contacts Account-wide people database spanning every event; synced two-way with a CRM or warehouse as the shared audience source of truth via the Create Contacts endpoint. Custom Objects (Klasses) Structured external records such as orders and subscriptions synced in to appear on the customer timeline. Contacts is specific to Cvent and Custom Objects (Klasses) to Kustomer — each maps to any object or custom field on the other side.
Attendees and Registrations Per-event registrants; written in from CRM or marketing signup flows via POST /ea/attendees and read back out to a warehouse for attendance and registration-status reporting. Users Agent records map conversation ownership to people in other systems. Attendees and Registrations is specific to Cvent and Users to Kustomer — each maps to any object or custom field on the other side.
Sessions Agenda items within an event; listed or created through the API and synced so session-level attendance feeds reporting tables. Teams Team assignments support routing parity and reporting. Sessions is specific to Cvent and Teams to Kustomer — each maps to any object or custom field on the other side.

How changes propagate between Cvent and Kustomer

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.

Cvent Kustomer Sub-second propagation

DetectionCvent notifies Stacksync of record changes through webhook events. Per-event webhooks push attendee, registration, session, and speaker changes.

DeliveryEach detected change is written to Kustomer through its API, with automatic retries and rate-limit backoff.

Kustomer Cvent Sub-second propagation

DetectionKustomer notifies Stacksync of record changes through webhook events. Outbound webhooks on record events, plus polling for backfill.

DeliveryEach detected change is written to Cvent through its API, with automatic retries and rate-limit backoff.

Rate-limit considerations

  • Cvent: Responses carry X-RateLimit-Limit/Remaining/Reset headers; a 429 signals either the per-second limit (retry with exponential backoff from ~2s) or the daily quota (up to 500,000 calls/day on the Premium tier, 1,000/day on Free) exhausted until midnight UTC.
  • Kustomer: Subject to the platform's API rate limits.
What ships with Cvent ⇄ Kustomer

Connect Cvent and Kustomer for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Cvent–Kustomer connection.

Real-time

Two-way sync

Changes in Cvent or Kustomer instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Cvent or Kustomer 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 Cvent or Kustomer record.

Observability

Monitoring

Track your Cvent ⇄ Kustomer sync health, view errors, and replay failed events in one click.

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between Cvent and Kustomer.

How the Cvent and Kustomer connectors work

Cvent

Integration surface
Cvent REST API (JSON over HTTPS at api-platform.cvent.com/ea, paginated list endpoints)
Authentication
OAuth 2.0 client-credentials flow: a client ID and secret are Basic-auth exchanged for a 60-minute bearer token at api-platform.cvent.com/ea/oauth2/token; legacy API-key and SOAP/CSN auth are deprecated
Change detection
Per-event webhooks push attendee, registration, session, and speaker changes; list endpoints also expose updatedDate for polling and support on-demand manual sync
Capabilities
read · write · webhooks
Rate limits
Responses carry X-RateLimit-Limit/Remaining/Reset headers; a 429 signals either the per-second limit (retry with exponential backoff from ~2s) or the daily quota (up to 500,000 calls/day on the Premium tier, 1,000/day on Free) exhausted until midnight UTC
Cvent setup guide

Kustomer

Integration surface
REST API
Authentication
API key used as a bearer token, scoped by role
Change detection
Outbound webhooks on record events, plus polling for backfill
Capabilities
read · write · webhooks
Rate limits
Subject to the platform's API rate limits
How it works

How to connect Cvent to Kustomer — 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.

  1. 01

    Connect your apps

    Authenticate Cvent 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.

    • OAuth 2.0
    • SSH tunnel
    • VPC peering
    Cvent connected
    Kustomer connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Cvent 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.

    • Standard objects
    • Custom objects
    • Auto-schema
    objects · Cvent ⇄ Kustomer
    Customers 12,480
    Sales Orders 8,213
    Invoices 5,902
    Items 1,344
  3. 03

    Map fields

    Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.

    • Auto-map
    • Type casting
    • Transforms
    Cvent Kustomer
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
FAQ

Cvent and Kustomer integration FAQ

SECURITY

Security teams trust 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
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 378 integrations available for Cvent and Kustomer.

Popular · 7 of 378
Coworkers laughing in front of a laptop in a casual office setting

Your last integration took months.
Your next one takes a prompt.