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

# Send campaign

`POST /campaigns/{id}/send`

Submit a campaign draft for sending. Supports both email and SMS campaigns. Behavior depends on the campaign's sending strategy:

- **Immediate**: Campaign will be sent immediately
- **Scheduled**: Campaign will be queued for the scheduled time with optional timezone optimization

**Scopes:**
`campaigns.write`

## Path parameters

- `id` string, required

## Headers

- `Omnisend-Version` string, required

## Response `204`

Campaign send initiated successfully

## Other responses

- `400` — Request contains invalid or missing fields
- `401` — Authentication is missing or invalid
- `402` — Payment is required to send this campaign
- `403` — Insufficient permissions for this operation
- `404` — Campaign not found
- `409` — Campaign state does not allow sending or content is invalid
- `410` — API version has been retired
- `429` — Rate limit exceeded
- `500` — Unexpected error occurred

---

[API](https://skmtc.net/omnisend/apis/events-api.md) · [All operations](https://skmtc.net/omnisend/apis/events-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/omnisend/events-api/revisions/50214fbc283f/schema)