---
title: "Create a trust rule"
method: POST
path: "/v1/trust-rules"
tags: ["trust-rules"]
---

# Create a trust rule

`POST /v1/trust-rules`

## Request body

- object
  - `tool` string, required
  - `pattern` string, required
  - `risk` 'low' | 'medium' | 'high', required
  - `description` string, required
  - `scope` string — Directory scope selected in the rule editor. Accepted on the wire but not yet persisted by the gateway.

## Response `201`

Successful response

- object
  - `rule` object, required
    - `id` string, required
    - `tool` string, required
    - `pattern` string, required
    - `risk` 'low' | 'medium' | 'high', required
    - `description` string, required
    - `origin` 'default' | 'user_defined', required
    - `userModified` boolean, required
    - `deleted` boolean, required
    - `createdAt` string, required
    - `updatedAt` string, required

---

[API](https://skmtc.net/vellum-ai/apis/vellum-gateway-api.md) · [All operations](https://skmtc.net/vellum-ai/apis/vellum-gateway-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/vellum-ai/vellum-gateway-api/versions/0ce2a9dec32d/schema)