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API Reference
API Reference

Retrieve a guardrail

Retrieve one active guardrail by prefix ID.

View Markdown

Retrieve one active guardrail by prefix ID.

Endpoint

GET /api/v1/guardrails/:id
Base URL
https://runapi.ai
API version
v1
Authentication
Authorization: Bearer YOUR_MANAGEMENT_API_KEY
Authorization
Requires an account-admin Management API key.
02

Request

JSON body

Send values only in the listed request location.

Path parameters1 field
idstring
Required

Guardrail prefix ID, for example guardrail_abc123.

03

Success response

HTTP 200

GET /api/v1/guardrails/:id

JSON 
{
  "allowed_models": [
    "gpt-5.4"
  ],
  "allowed_providers": [],
  "assignment_count": 1,
  "blocked_models": [],
  "blocked_providers": [],
  "created_at": "2026-07-27T10:00:00.000Z",
  "credit_limit_cents": 50000,
  "credit_limit_reset_interval": "monthly",
  "description": "Production policy",
  "enabled": true,
  "id": "guardrail_123",
  "model_budgets": [
    {
      "credit_limit_cents": 10000,
      "credit_limit_reset_interval": "monthly",
      "match_mode": "include",
      "models": [
        "gpt-5.4"
      ]
    }
  ],
  "name": "Production budget"
}
04

Error response (401)

HTTP 401
Response schema
JSON 
{
  "properties": {
    "error": {
      "description": "Human-readable error message.",
      "type": "string"
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}

Response example

JSON 
{
  "error": "Authentication required"
}
05

Error response (403)

HTTP 403
Response schema
JSON 
{
  "properties": {
    "error": {
      "description": "Human-readable error message.",
      "type": "string"
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}

Response example

JSON 
{
  "error": "Management API key required"
}
06

Error response (403)

HTTP 403
Response schema
JSON 
{
  "properties": {
    "error": {
      "description": "Human-readable error message.",
      "type": "string"
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}

Response example

JSON 
{
  "error": "Account admin required"
}
07

Error response (404)

HTTP 404
Response schema
JSON 
{
  "properties": {
    "error": {
      "description": "Human-readable error message.",
      "type": "string"
    }
  },
  "required": [
    "error"
  ],
  "type": "object",
  "unevaluatedProperties": false
}

Response example

JSON 
{
  "error": "Resource not found"
}
08

cURL example

CURL 
curl -X GET https://runapi.ai/api/v1/guardrails/guardrail_123 \
  -H 'Authorization: Bearer YOUR_MANAGEMENT_API_KEY'