Customer IO
This page contains the setup guide and reference information for the Customer IO destination connector.
Overview
The Customer IO destination connector allows you to sync data to Customer IO, a customer data management platform. This destination relies on the Data Activation flow.
Destination Objects + Operations
Here are the destination objects and their respective operations that are currently supported:
- Person: Identifies a person and assigns traits to them.
- Person Events: Track an event for a user that is known or not by Customer IO. Use
event_idto leverage event deduplication.
Features
| Feature | Supported? |
|---|---|
| Full Refresh Sync | Yes |
| Incremental - Append Sync | Yes |
| Incremental - Dedupe Sync | Yes |
| Namespaces | Yes |
Restrictions
- Each entry sent to the API needs to be 32kb or smaller
- Customer IO allows to send unstructured attributes. Those attributes are subject to the following restrictions:
- Max number of attributes allowed per object is 300
- Max size of all attributes is 100kb
- The attributes name is 150 bytes or smaller
- The value of attributes is 1000 bytes or smaller
- Events name are 100 bytes or smaller
Getting started
Setup guide
In order to configure this connector, you only have to generate your API key (Workspace Settings → API and webhook credentials → Create Track API Key). Once this is done, provide this information in the connector's configuration and you are good to go.
Reference
Config fields reference
Field
Type
Property name
object
credentials
object
object_storage_config
Changelog
| Version | Date | Pull Request | Subject |
|---|---|---|---|
| 0.0.2 | 2025-07-08 | #62843 | Checker should validate DLQ |
| 0.0.1 | 2025-07-07 | #62083 | Initial release of the Customer IO destination connector |