> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://apidocs.polytomic.com/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://apidocs.polytomic.com/_mcp/server.

# Customer.io Warehouse Exports

Supports:
* ✅ Bulk sync source


## Connection

### Configuration
<table>
<thead>
<tr>
<th>Name</th><th>Type</th><th>Description</th><th>Required</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>auth_mode</code></td>
<td><code>string</code></td>
<td style="vertical-align: top;">Authentication method<br/><br/>How to authenticate with AWS. Defaults to Access Key and Secret. Accepted values: `access_key_and_secret` <a href="#auth-mode-access-key-and-secret">↓</a>, `iam_role` <a href="#auth-mode-iam-role">↓</a></td>
<td><code>required</code></td>
</tr>
<tr>
<td><code>s3_bucket_name</code></td>
<td><code>string</code></td>
<td style="vertical-align: top;">S3 bucket name<br/><br/>Bucket name (folder optional); ex: s3://polytomic/dataset</td>
<td><code>required</code></td>
</tr>
<tr>
<td><code>s3_bucket_region</code></td>
<td><code>string</code></td>
<td style="vertical-align: top;">S3 bucket region</td>
<td><code>required</code></td>
</tr>
</tbody>
</table>

<a id="auth-mode-access-key-and-secret"></a>

#### `auth_mode`

When `auth_mode` is `access_key_and_secret`:

<table>
<thead>
<tr>
<th>Name</th><th>Type</th><th>Description</th><th>Required</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>aws_access_key_id</code></td>
<td><code>string</code></td>
<td style="vertical-align: top;">AWS access key ID<br/><br/>Access Key ID with read/write access to a bucket.</td>
<td><code>optional</code></td>
</tr>
<tr>
<td><code>aws_secret_access_key</code></td>
<td><code>string</code></td>
<td style="vertical-align: top;">AWS secret access key</td>
<td><code>optional</code></td>
</tr>
</tbody>
</table>

<table>
<thead>
<tr>
<th>Read-only property</th><th>Type</th><th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>aws_user</code></td>
<td><code>string</code></td>
<td style="vertical-align: top;">User ARN</td>
</tr>
</tbody>
</table>

```json
{
  "name": "Customer.io Warehouse Exports connection",
  "type": "customeriowarehouseexports",
  "configuration": {
    "auth_mode": "access_key_and_secret",
    "aws_access_key_id": "AKIAIOSFODNN7EXAMPLE",
    "aws_secret_access_key": "wJalrXUtnFEMI/K7MDENG/bPxRfiCYEXAMPLEKEY",
    "s3_bucket_name": "s3://polytomic/dataset",
    "s3_bucket_region": "us-east-1"
  }
}
```

<a id="auth-mode-iam-role"></a>

When `auth_mode` is `iam_role`:

<table>
<thead>
<tr>
<th>Name</th><th>Type</th><th>Description</th><th>Required</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>iam_role_arn</code></td>
<td><code>string</code></td>
<td style="vertical-align: top;">IAM role ARN</td>
<td><code>required</code></td>
</tr>
</tbody>
</table>

<table>
<thead>
<tr>
<th>Read-only property</th><th>Type</th><th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><code>external_id</code></td>
<td><code>string</code></td>
<td style="vertical-align: top;">External ID for the IAM role</td>
</tr>
</tbody>
</table>

```json
{
  "name": "Customer.io Warehouse Exports connection",
  "type": "customeriowarehouseexports",
  "configuration": {
    "auth_mode": "iam_role",
    "iam_role_arn": "",
    "s3_bucket_name": "s3://polytomic/dataset",
    "s3_bucket_region": "us-east-1"
  }
}
```





## Bulk Sync
### Source
Customer.io Warehouse Exports connections may be used as a bulk sync source. No additional configuration options are required.