Customer.io

Customer.io integration

Sync user profiles, event data, and campaign attributes between Customer.io and your other tools. Bidirectional: read from Customer.io or write to it.

No credit card required

Free 100k syncs every month

No credit card required

Free 100k syncs every month

No credit card required

Free 100k syncs every month

Make every message data-driven

Keep Customer.io profiles current with live data from your entire stack.

Segment data, ready to activate

Push CRM segments, billing tiers, and product usage data into Customer.io so every campaign starts from the right audience — not a bulk list.

Auto property creation

Syncing custom subscriber attributes? Oneprofile creates properties in Customer.io automatically before writing. No manual list management.

Auto property creation

Syncing custom subscriber attributes? Oneprofile creates properties in Customer.io automatically before writing. No manual list management.

Change detection

Change detection

Only changed contacts sync. Unsubscribes and plan changes propagate in seconds.

Only changed contacts sync. Unsubscribes and plan changes propagate in seconds.

Bidirectional sync

Bidirectional sync

Pull campaign engagement data back or push CRM data in. One connection, both directions.

Pull campaign engagement data back or push CRM data in. One connection, both directions.

Error recovery

Error recovery

Failed records land in a dead letter queue. No silent data loss.

Failed records land in a dead letter queue. No silent data loss.

Popular integrations with

Customer.io

Connect

Customer.io

to these tools for powerful data workflows

CRM

Push HubSpot lifecycle stage and deal data to Customer.io so campaigns target the right contacts.

Customer.io

+

HubSpot

Payments

Sync Stripe subscription status to Customer.io profiles for billing-based email triggers.

Customer.io

+

Stripe

Customer Support

Share user attributes between Customer.io and Intercom so messaging stays consistent.

Customer.io

+

Intercom

Analytics

Sync product usage data from PostHog to Customer.io for behavior-driven campaigns.

Customer.io

+

PostHog

CRM

Keep Salesforce contact fields and Customer.io profiles in sync for aligned sales and marketing.

Customer.io

+

Salesforce

Database

Consolidate Stripe billing data into PostgreSQL for custom reporting and SQL-based dashboards.

Customer.io

+

PostgreSQL

View All Integrations

About

Customer.io

Oneprofile is not just about sending data from one tool to another. It ensures customer profiles and events stay consistent across every system, even as data changes over time.

SUPPORTED RECORDS

Users

Events

Segments

INTEGRATION TYPE

Source

Destination

CATEGORY

Email

FAQ

How long does it take to set up the Customer.io integration?

Under 10 minutes. Create API credentials in Customer.io, paste them into Oneprofile, and the connection validates immediately. Map your fields, set a schedule, and data flows within 15 minutes.

Can I sync data from Customer.io back to my CRM?

Yes. The Customer.io integration is bidirectional. Pull user profiles and attributes from Customer.io into HubSpot, Salesforce, or any other connected tool. Each direction runs as its own sync config.

Which Customer.io record types does Oneprofile support?

Users, Events, and Segments. Oneprofile discovers available attributes automatically when you connect your Customer.io account. You choose which fields to map per sync config.

Does the integration support Customer.io workspaces?

Yes. Connect one workspace per integration. If you use multiple workspaces, create a separate integration for each. Each runs independently with its own field mapping and schedule.

Is the Customer.io integration available on the free plan?

Yes. Customer.io is available on all plans, including free. The free plan limits total integrations and sync configs, but there is no per-connector fee.

Ready to get started?

No credit card required

Free 100k syncs every month

© 2026 Oneprofile Software

455 Market Street, San Francisco, CA 94105

© 2026 Oneprofile Software

455 Market Street, San Francisco, CA 94105

© 2026 Oneprofile Software

455 Market Street, San Francisco, CA 94105