---
title: "Admin only"
method: POST
path: "/api/mcp/tools/email_marketing_create_sequence"
tags: ["tools"]
---

# Admin only

`POST /api/mcp/tools/email_marketing_create_sequence`

## Request

- Base URL: `https://finestructure.ai`
- URL: `https://finestructure.ai/api/mcp/tools/email_marketing_create_sequence`
- Auth: HTTP bearer

Admin only. Create a scheduled email sequence using fixed dates or day offsets. Each generated email keeps mandatory unsubscribe.

## Request body

- object
  - `name` string, required: Sequence name
  - `schedule_mode` 'fixed_dates' | 'day_offsets', required: fixed_dates uses each step.scheduled_at; day_offsets uses start_at + step day offsets
  - `filters` object: Recipient filters
  - `start_at` string: ISO datetime for day_offsets mode
  - `timezone` string
  - `steps` object[], required: Steps with subject, body_html, and either scheduled_at (fixed_dates) or day_offset/gap_days (day_offsets).

## Response `200`

Tool executed successfully

- ToolResult
  - `ok` boolean, required
  - `tool` string, required
  - `result` object, required

## Other responses

- `400`: Invalid arguments for this tool
- `401`: Missing or invalid bearer token
- `402`: Not enough credits on the account
- `403`: Token scope does not permit this tool
- `404`: Unknown tool name
- `429`: Rate limit exceeded, retry after the indicated delay
- `500`: Internal error while executing the tool

---

[API](https://skmtc.dev/finestructure/apis/fine-structure-api.md) · [All operations](https://skmtc.dev/finestructure/apis/fine-structure-api/llms.txt) · [OpenAPI document](https://skmtc.dev/finestructure/apis/fine-structure-api/revisions/02c50ed5fd70?raw)