> ## Documentation Index
> Fetch the complete documentation index at: https://ngrok.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Delete an AI Gateway Firewall policy

> Delete an AI Gateway Firewall policy by ID.



## OpenAPI

````yaml openapi/ai-gateway.yaml DELETE /firewall-policies/{id}
openapi: 3.0.3
info:
  title: AI Gateway APIs
  version: 0.1.0
  description: |
    Control-plane HTTP APIs served by the ai-gateway-control service.
servers:
  - url: https://api.ngrok.ai
security:
  - bearerAuth: []
tags:
  - name: AI Gateway Access Key Configurations
    description: Manage reusable access key configurations (scope and routing rules).
  - name: AI Gateway Access Keys
    description: Manage ngrok-managed access keys associated with AI Gateway endpoints.
  - name: AI Gateway Configuration
    description: >-
      Manage per-account AI Gateway configuration (timeouts, token caps,
      metadata).
  - name: AI Gateway API Keys
    description: Manage customer-facing AI Gateway API Keys.
  - name: AI Gateway Firewall Policies
    description: >-
      Manage Firewall policies, the rules that screen the requests and tool
      calls an access key's traffic carries.
  - name: AI Gateway Credits
    description: >-
      Purchase AI Gateway credits, via Stripe Checkout or a charge of the saved
      card, and read purchase/transaction history.
  - name: AI Gateway Providers
    description: Manage AI Gateway providers and the models they expose.
  - name: AI Gateway Custom Providers
    description: Manage custom AI Gateway providers and the models they expose.
  - name: AI Gateway Models
    description: >-
      Read-only listing of AI Gateway models available to the authenticated
      account.
  - name: AI Gateway Provider Keys
    description: >-
      Manage the provider keys your account stores for AI Gateway. Access key
      configurations reference them in routing rule steps.
  - name: AI Gateway Usage
    description: >-
      Read-only AI Gateway usage events and aggregated usage overview for the
      authenticated account.
paths:
  /firewall-policies/{id}:
    parameters:
      - $ref: '#/components/parameters/AIGatewayFirewallPolicyID'
    delete:
      tags:
        - AI Gateway Firewall Policies
      summary: Delete an AI Gateway Firewall policy
      description: |
        Delete a Firewall policy by ID. Fails while an access key configuration
        still enforces the policy.
      operationId: DeleteAIGatewayFirewallPolicy
      responses:
        '204':
          description: The Firewall policy was deleted.
        default:
          $ref: '#/components/responses/Error'
components:
  parameters:
    AIGatewayFirewallPolicyID:
      name: id
      in: path
      required: true
      description: Unique identifier for an AI Gateway Firewall policy.
      schema:
        type: string
  responses:
    Error:
      description: API error response.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      additionalProperties: false
      required:
        - statusCode
        - msg
        - details
      properties:
        errorCode:
          type: string
          description: Stable ngrok error code when available.
        statusCode:
          type: integer
          format: int32
          description: HTTP status code for this error.
        msg:
          type: string
          description: Human-readable error message.
        details:
          type: object
          description: Structured error details.
          additionalProperties:
            type: string
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer

````

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