---
title: "Validate a rule expression"
method: POST
path: "/rules/validate"
tags: ["Rules"]
---

# Validate a rule expression

`POST /rules/validate`

## Request

- Base URL: `https://orbitus.netcorecloud.com`
- URL: `https://orbitus.netcorecloud.com/rules/validate`
- Auth: HTTP bearer

Validates a rule expression without saving. Uses `expr.Compile()` to verify syntax.

## Request body

- object
  - `expression` string, required: Rule expression to validate.

## Response `200`

Validation result.

- object
  - `valid` boolean
  - `error` string: Present only when `valid` is `false`.

---

[API](https://skmtc.dev/netcorecloud/apis/orbit-router.md) - [All operations](https://skmtc.dev/netcorecloud/apis/orbit-router/llms.txt) - [OpenAPI document](https://skmtc.dev/netcorecloud/apis/orbit-router/revisions/680f0a8ab1a3?raw)