# Create guardrail policy

**POST /api/v1/projects/{id}/guardrails**

Creates OE-owned guardrail policy metadata. The project scope is carried by the route id path parameter and the org is derived from that project.


## Servers
- https://agentengine.mongodb.com: https://agentengine.mongodb.com ()


## Authentication methods
- Bearer auth


## Parameters

### Path parameters

- **id** (string)
  Project ID



### Body: application/json (object)
Guardrail policy metadata
object

## Responses
### 406
Unsupported or malformed API version, an operation unavailable in the selected published contract, or an unacceptable representation (including unsupported media-type parameters or excluded SSE). Existing authentication, authorization, and rate-limit failures take precedence.

#### Body: application/json (object)
- **badRequestDetail** (object)
  Optional validation details defined by the standard error schema; API negotiation errors do not emit this field.

- **detail** (string)
  Human-readable error details.

- **error** (integer)
  HTTP status code.

- **errorCode** (string)
  Machine-readable error code.

- **parameters** (array[string])
  Request parameter names associated with the error; omitted when none apply.

- **reason** (string)
  HTTP status reason phrase.


### 201
Created

#### Body: application/json (object)
object
### 400
Bad Request

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)


### 502
Bad Gateway

#### Body: application/json (object)
- **code** (string)

- **error** (string)

- **success** (boolean)



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