--- title: 'POST /customers/{id}/events' description: 'Track an event for a person' --- # POST /customers/{id}/events Track an event for a person | Detail | Value | |---|---| | Operation ID | `customers.trackEvent` | | Method | `POST` | | Path | `/customers/{id}/events` | | Connector | [Customer.io Track API](./) | ## Parameters | Name | Location | Type | Required | |---|---|---|---| | `id` | path | string | **Yes** | ## Request Body | Field | Type | |---|---| | `name` | string | | `type` | string | | `timestamp` | integer | | `data` | object | ## Using this endpoint in a workflow 1. Add an **API Call** node to your workflow. 2. Pick your Customer.io Track API connection from the Connection dropdown. 3. In the Operation dropdown, select `customers.trackEvent`. 4. Fill in the parameter fields that appear. Use `{{...}}` to reference upstream values. **Required fields are marked — fill them or the call will fail at runtime.** ## What it returns The `API Call` node writes the response to the workflow context: ``` { status: 200, success: true, data: { ...response body from the API... }, latencyMs: 142 } ``` Reference response fields downstream as {{nodeId.data.path}}. The exact response shape is documented on the upstream Customer.io Track API API reference.