--- title: 'POST /transactions' description: 'Create a shipping label' --- # POST /transactions Create a shipping label | Detail | Value | |---|---| | Operation ID | `logistics.createLabel` | | Method | `POST` | | Path | `/transactions` | | Connector | [Shippo](./) | ## Parameters _No parameters._ ## Request Body | Field | Type | |---|---| | `rate` | string | | `label_file_type` | string | ## Using this endpoint in a workflow 1. Add an **API Call** node to your workflow. 2. Pick your Shippo connection from the Connection dropdown. 3. In the Operation dropdown, select `logistics.createLabel`. 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 Shippo API reference.