> ## Documentation Index > Fetch the complete documentation index at: https://gcore.com/docs/llms.txt > Use this file to discover all available pages before exploring further. # Delete a custom rule ## OpenAPI ````yaml /api-reference/services_documented/waap_api.yaml delete /waap/v1/domains/{domain_id}/custom-rules/{rule_id} openapi: 3.1.0 info: title: Gcore OpenAPI – WAAP API description: >- This OpenAPI is an aggregated OpenAPI specification that unifies all Gcore products into a single file. It covers Cloud, CDN, DNS, WAAP, DDoS Protection, Object Storage, Streaming, and FastEdge services. version: '2026-05-11T15:10:30.328297+00:00' servers: - url: https://api.gcore.com security: - APIKey: [] tags: - name: WAAP Service x-displayName: WAAP Service - name: Domains x-displayName: Domains - name: Policies x-displayName: Policies - name: Analytics x-displayName: Analytics - name: Custom Page Sets x-displayName: Custom Page Sets - name: Custom Rules x-displayName: Custom Rules - name: Filter Templates x-displayName: Filter Templates - name: Firewall Rules x-displayName: Firewall Rules - name: Advanced Rules x-displayName: Advanced Rules - name: Tags x-displayName: Tags - name: Network Organizations x-displayName: Network Organizations - name: API Discovery x-displayName: API Discovery - name: IP Spotlight x-displayName: IP Spotlight - name: Security Insights x-displayName: Security Insights - name: IP Reputation x-displayName: IP Reputation paths: /waap/v1/domains/{domain_id}/custom-rules/{rule_id}: delete: tags: - Custom Rules summary: Delete a custom rule operationId: delete_custom_rule_v1_domains__domain_id__custom_rules__rule_id__delete parameters: - name: domain_id in: path required: true schema: type: integer exclusiveMinimum: 0 description: The domain ID title: Domain Id description: The domain ID - name: rule_id in: path required: true schema: type: integer description: The custom rule ID title: Rule Id description: The custom rule ID responses: '204': description: Successful Response '400': content: application/problem+json: schema: $ref: '#/components/schemas/APIError' example: type: http-bad-request title: Bad Request status: 400 detail: 'Invalid domain name: ''''''''' description: Bad Request '401': description: Unauthorized content: application/problem+json: example: detail: Auth token is missing or invalid '403': description: Unauthenticated content: application/problem+json: example: detail: Permission denied '404': description: Resource not found content: application/problem+json: example: title: Resource not found type: quota-check-no-resource status: 404 detail: >- The quota resource requested does not exist. Cannot enable WAAP for this domain. Please reach out to our support team. '422': content: application/problem+json: schema: $ref: '#/components/schemas/APICompositeError' example: type: request-validation-failed title: Request validation error. status: 422 detail: One or more fields have validation errors. errors: - loc: - body - name detail: Input should be a valid string - loc: - body - date detail: Field required - loc: - query - limit detail: Field required description: Unprocessable Entity '500': description: Internal server error. content: application/problem+json: example: title: Internal server error. type: internal-server-error status: 500 detail: >- Something went wrong. Cannot enable WAAP for this domain. Please try again later or reach out to our support team. x-codeSamples: - lang: Python source: |- import os from gcore import Gcore client = Gcore( api_key=os.environ.get("GCORE_API_KEY"), # This is the default and can be omitted ) client.waap.domains.custom_rules.delete( rule_id=0, domain_id=1, ) - lang: Go source: "package main\n\nimport (\n\t\"context\"\n\n\t\"github.com/G-Core/gcore-go\"\n\t\"github.com/G-Core/gcore-go/option\"\n\t\"github.com/G-Core/gcore-go/waap\"\n)\n\nfunc main() {\n\tclient := gcore.NewClient(\n\t\toption.WithAPIKey(\"My API Key\"),\n\t)\n\terr := client.Waap.Domains.CustomRules.Delete(\n\t\tcontext.TODO(),\n\t\t0,\n\t\twaap.DomainCustomRuleDeleteParams{\n\t\t\tDomainID: 1,\n\t\t},\n\t)\n\tif err != nil {\n\t\tpanic(err.Error())\n\t}\n}\n" components: schemas: APIError: properties: type: type: string title: Type description: A URI identifier that categorizes the type of error. title: type: string title: Title description: A brief, human-readable title for the error. status: type: integer title: Status description: The HTTP status code applicable to this error. detail: anyOf: - type: string - type: 'null' title: Detail description: A detailed human-readable explanation of the error. type: object required: - type - title - status - detail title: APIError APICompositeError: properties: type: type: string title: Type description: A URI identifier that categorizes the type of error. title: type: string title: Title description: A brief, human-readable title for the error. status: type: integer title: Status description: The HTTP status code applicable to this error. detail: anyOf: - type: string - type: 'null' title: Detail description: A detailed human-readable explanation of the error. errors: items: $ref: '#/components/schemas/APIFieldError' type: array title: Errors description: A list of detailed errors for individual fields. type: object required: - type - title - status - detail - errors title: APICompositeError APIFieldError: properties: loc: anyOf: - items: anyOf: - type: integer - type: string type: array - {} title: Loc description: The location of the field or a character number causing the error. detail: type: string title: Detail description: A human-readable message describing the error. type: object required: - loc - detail title: APIFieldError securitySchemes: APIKey: description: >- API key for authentication. Make sure to include the word `apikey`, followed by a single space and then your token. Example: `apikey 1234$abcdef` type: apiKey in: header name: Authorization ````