--- title: 'POST /campaigns/{campaign_id}/actions/send' description: 'Send a campaign' --- # POST /campaigns/{campaign_id}/actions/send Send a campaign | Detail | Value | |---|---| | Operation ID | `email.sendCampaign` | | Method | `POST` | | Path | `/campaigns/{campaign_id}/actions/send` | | Connector | [Mailchimp](./) | ## Parameters | Name | Location | Type | Required | |---|---|---|---| | `campaign_id` | path | string | **Yes** | ## Using this endpoint in a workflow 1. Add an **API Call** node to your workflow. 2. Pick your Mailchimp connection from the Connection dropdown. 3. In the Operation dropdown, select `email.sendCampaign`. 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 Mailchimp API reference.