---
title: "Generate subject lines"
method: POST
path: "/generate/subjects"
tags: ["Generation"]
---

# Generate subject lines

`POST /generate/subjects`

Generates draft subject line variants for a campaign or sequence email.

## Request body

- object
  - `topic` string, required — Topic, campaign idea, or context for the subject lines.
  - `count` number — Number of variants to generate. Defaults to 5.

## Response `200`

Subject lines generated successfully

- object
  - `success` boolean
  - `topic` string
  - `subjects` string[]

## Other responses

- `400` — Validation error
- `401` — Unauthorized
- `403` — No company selected
- `500` — Generation failed

---

[API](https://skmtc.net/sequenzy/apis/sequenzy-api.md) · [All operations](https://skmtc.net/sequenzy/apis/sequenzy-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sequenzy/sequenzy-api/versions/af1cf9620482/schema)