# Customer.io + ClickHouse

> Integrate Customer.io profiles, events, and campaign data into ClickHouse with Erathos. Get started for free.

Source: https://www.erathos.com/en/pipelines/customer-io-clickhouse
Em português: https://www.erathos.com/pipelines/customer-io-clickhouse

Customer.io is a customer engagement platform that triggers email, push, and in-app campaigns based on user behavior.

With Erathos, your Customer.io data lands in ClickHouse in an OLAP-optimized format, ready for high-concurrency dashboards and sub-second queries, even over massive volumes.

### What Customer.io data does Erathos sync to ClickHouse?

The integration automatically syncs all key objects from Customer.io:

- **Customer profiles** registration data and attributes for each user
- **Behavioral events** actions triggered by users inside the product
- **Campaigns** structure, channel, and status of each campaign
- **Segments** rules and composition of each audience segment
- **Engagement metrics** opens, clicks, and conversions per campaign

### Why sync Customer.io to ClickHouse?

In ClickHouse, you can run OLAP queries on Customer.io data in milliseconds—ideal for high-concurrency dashboards and high-volume time-series analysis.

### How it works

Erathos connects to Customer.io via official API and syncs your data incrementally: only new or updated records are processed in each run, keeping your pipelines fast and ClickHouse costs predictable. You choose the sync frequency (ranging from every 5 minutes to daily), the objects to sync, and the target dataset. Every run is logged with full observability: runtime, rows processed, contextual error logs, and instant alerts via Slack or email if anything goes wrong.

## Data in your data warehouse in minutes

### Out-of-the-box Customer.io connector

Connect Customer.io to ClickHouse and automatically export profiles, events, and campaigns. No intermediary spreadsheets, no scripts.

### Full control over your Customer.io pipelines

Configure the schedule, frequency, and sync mode at the table level. Incremental sync processes only new or updated records, keeping your ClickHouse costs predictable and your data always up to date.

### End-to-end observability

Stop finding out about Customer.io failures only when the business team complains. Every run is logged with its run time, processed rows, and error context. Get automatic alerts via Slack, Discord, or email the moment something goes wrong.

## Centralizing Customer.io data in ClickHouse has never been easier

Erathos is a data ingestion platform for marketing and data teams. With the Customer.io connector, you can automatically export profiles, events, and campaigns to Clickhouse—with no intermediate spreadsheets, no scripts, and full observability.

## FAQ

### What is Erathos and how can it help my company?

Erathos is a data ingestion platform built for reliability, transparency, and control. We help data teams connect tools like Customer.io to their data warehouse, with complete observability of every run, zero maintenance, and none of the opacity of traditional market tools.

### What Customer.io data does Erathos sync to ClickHouse?

Erathos syncs customer profiles, behavioral events, campaigns, segments, and engagement metrics from Customer.io to ClickHouse.

### How often does Erathos sync data from Customer.io to ClickHouse?

You can configure the sync frequency from every 5 minutes to daily, at the table level. Erathos uses incremental sync, processing only new or updated records on each run, which keeps the Customer.io pipeline efficient and Clickhouse costs predictable.

### What happens if a Customer.io sync fails?

Erathos automatically detects failures and sends alerts to your email, Slack, or Discord with full context—not just "job failed." Smart retries handle transient errors, and every run is logged with runtime, processed rows, and error context so your team can debug in minutes, not hours.

### Is there a free trial for the Customer.io connector?

Yes. Every Erathos connector comes with a 14-day free trial. Connect Customer.io to Clickhouse and start syncing immediately—no credit card required.