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> For a complete documentation index, see https://apidocs.polytomic.com/2024-02-08/guides/configuring-your-connections/connections/customerio/llms.txt.
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# Customer.io
Supports:
* ✅ Model sync destination
## Connection
### Configuration
| Name | Type | Description | Required |
app_api_key |
string |
App API key |
required |
site_id |
string |
Site ID |
required |
tracking_api_key |
string |
Tracking API key |
required |
| Read-only property | Type | Description |
region |
string |
Region
Datacenter region we detected |
#### Example
```json
{
"name": "Customer.io connection",
"type": "customerio",
"configuration": {
"app_api_key": "7f81wos4eeua0kap5dabridfwgd1uh",
"site_id": "osh853chlrhick8w7qyz",
"tracking_api_key": "a7l1nkxqhnwa48h94vbmsly1a2pnss"
}
}
```
## Model Sync
### Target
Customer.io connections may be used as the destination in a model sync.
#### All targets
##### Configuration
| Name | Type | Description | Required |
ignore_setting_invalid_relationships |
boolean |
Ignore setting invalid relationships |
optional |
replace_relationships |
boolean |
Replace existing relationships |
optional |
##### Example
```json
{
...
"target": {
"configuration": {
"ignore_setting_invalid_relationships": false,
"replace_relationships": false
}
}
}
```
### Target creation
Customer.io connections may be used to create a new target for a model sync. The
following parameters are required to create a new target:
| NAME |
DESCRIPTION |
ENUM |
| name |
Segment name |
false |