---
title: "Append a rule."
method: POST
path: "/v2/rules/append"
tags: ["Personalization"]
---

# Append a rule.

`POST /v2/rules/append`

Append a rule to the personalization ruleset.

## Request body

- Action

## Response `200`

Successful Response

- unknown

## Other responses

- `400` — Provided rule has invalid structure
- `413` — Ruleset after append was larger than 50KiB
- `422` — Validation Error

---

[API](https://skmtc.net/ntropy/apis/ntropy-transaction-api.md) · [All operations](https://skmtc.net/ntropy/apis/ntropy-transaction-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/ntropy/ntropy-transaction-api/versions/47be508488c1/schema)