---
title: "Launch or resume a campaign"
method: POST
path: "/campaigns/{id}/resume"
tags: ["Campaigns"]
---

# Launch or resume a campaign

`POST /campaigns/{id}/resume`

## Request

- Base URL: `https://api.emailchaser.com/r`
- URL: `https://api.emailchaser.com/r/campaigns/{id}/resume`
- Auth: HTTP bearer

Launches a new campaign or resumes a paused campaign. Validates campaign configuration before launching: the campaign needs sending days, at least one email account, a sequence, and, unless its flow is api, at least one lead. A missing one is refused with 400 and an error naming it.

## Path parameters

- `id` integer, required

## Response `200`

Campaign launched/resumed successfully

- ModelsLaunchCampaignResponse
  - `campaign` object
    - `id` integer
    - `name` string
    - `status` string
  - `message` string

## Other responses

- `400`: Campaign validation failed (missing configuration)
- `401`: Unauthorized - invalid or missing API key
- `404`: Campaign not found
- `409`: Campaign is currently processing leads
- `500`: Failed to launch/resume campaign

---

[API](https://skmtc.dev/emailchaser/apis/emailchaser-api.md) · [All operations](https://skmtc.dev/emailchaser/apis/emailchaser-api/llms.txt) · [OpenAPI document](https://skmtc.dev/emailchaser/apis/emailchaser-api/revisions/8b114990abb7?raw)