---
title: "Send campaign test"
method: POST
path: "/campaigns/{campaignId}/test"
tags: ["Campaigns"]
---

# Send campaign test

`POST /campaigns/{campaignId}/test`

Queues a test send for a campaign and returns a durable email send ID for delivery-status inspection.

## Path parameters

- `campaignId` string, required

## Request body

- object
  - `to` string, email, required — Test recipient email address.

## Response `200`

Test send accepted

- object
  - `success` boolean
  - `message` string
  - `campaignId` string
  - `recipientEmail` string, email
  - `emailSendId` string — Durable delivery ID. Use this with GET /email-sends/{emailSendId}.
  - `jobId` string — Legacy queue identifier retained for response compatibility.

## Other responses

- `401` — Unauthorized
- `404` — Campaign not found

## Changes

> 121 revisions in range; 17 could not be searched.

- **2026-08-02** `36f92fc0caa2` — 2 breaking
  - the response property `success` became optional for the status `401`
  - the response property `success` became optional for the status `404`
- **2026-07-16** `d7ea66dede72` — 2 info
  - added the optional property `emailSendId` to the response with the `200` status
  - response property `jobId` deprecated
- **2026-07-03** `c67cf0cd2e14` — 2 info
  - added the optional property `jobId` to the response with the `200` status
  - added the optional property `recipientEmail` to the response with the `200` status
- **2026-05-11** `ee7b7111c55b` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/sequenzy/apis/sequenzy-api/changes/campaigns/:campaignId/test/post.md)

---

[API](https://skmtc.dev/sequenzy/apis/sequenzy-api.md) · [All operations](https://skmtc.dev/sequenzy/apis/sequenzy-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/sequenzy/sequenzy-api/revisions/73f826277d9a/schema)