DNSFilter Categories API
The Categories API from DNSFilter — 3 operation(s) for categories.
Work with this as data
Every API here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for apis
7 MCP tools reach this
find_apisBrowse and filter every API in the catalog.get_api_artifactsOne API's artifacts, grouped by type.get_openapiThe primary OpenAPI for this API.find_similar_apisAPIs that look like this one.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/dnsfilter:dnsfilter-categories-api"
All apis
curl "https://apis.io/api/v1/apis?limit=25"Calls without X-API-Key need no key. Calls with it need a paid plan — get a key.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
title: DNSFilter Categories API
description: '**Note:** If you are a distributor integrating with DNSFilter, please check
out our Distributors Development Guide.'
version: '2026-07-13'
servers:
- url: https://api.dnsfilter.com
description: Production
tags:
- name: Categories
description: ''
paths:
/v1/categories:
get:
tags:
- Categories
operationId: V1_Categories-index
parameters:
- name: page
description: Page number and size
required: false
in: query
schema:
type: object
properties:
number:
type: integer
size:
type: integer
responses:
'200':
description: Categories basic information
content:
application/json:
schema:
type: object
properties:
data:
type: array
items:
$ref: '#/components/schemas/CategorySpec'
links:
$ref: '#/components/schemas/Links'
description: List categories basic information.
summary: Get extant
x-controller: v1/categories
x-action: index
/v1/categories/all:
get:
tags:
- Categories
operationId: V1_Categories-all
parameters:
- name: page
description: Page number and size
required: false
in: query
schema:
type: object
properties:
number:
type: integer
size:
type: integer
responses:
'200':
description: Categories basic information
content:
application/json:
schema:
type: object
properties:
data:
type: array
items:
$ref: '#/components/schemas/CategorySpec'
links:
$ref: '#/components/schemas/Links'
description: List all categories including internal categories.
summary: Get all
x-controller: v1/categories
x-action: all
/v1/categories/{id}:
get:
tags:
- Categories
operationId: V1_Categories-show
parameters:
- name: id
description: Category ID
required: true
in: path
schema:
type: integer
responses:
'400':
description: Bad Request
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'404':
description: Not Found
content:
application/json:
schema:
$ref: '#/components/schemas/Error'
'200':
description: Category basic information
content:
application/json:
schema:
type: object
properties:
data:
$ref: '#/components/schemas/CategorySpec'
description: Gets basic information of a specific category.
summary: Show category
x-controller: v1/categories
x-action: show
components:
schemas:
Error:
type: object
properties:
error:
type: string
description: 'Error message (e.x.: Not Authorized)'
description: Error basic representation
Category:
type: object
properties:
name:
type: string
description: Name
description:
type: string
description: Description
source:
type: string
description: Source
security:
type: boolean
description: It is classified as a security threat
internal:
type: boolean
description: True if the category is used internally such as content servers or unknown categorizations
description: Category resource
IdType:
type: object
properties:
id:
type: string
description: Resource Id (integer or uuid)
type:
type: string
description: Resource type name
uuid:
type: string
description: Resource UUID (if applicable)
description: JSON API resource ID and type attributes
Links:
type: object
properties:
self:
type: string
description: Endpoint URL (may be null)
description: JSON API links member representation
CategorySpec:
allOf:
- $ref: '#/components/schemas/IdType'
- type: object
properties:
attributes:
$ref: '#/components/schemas/Category'
relationships:
type: object
properties:
child_categories:
type: object
properties:
data:
type: array
items:
$ref: '#/components/schemas/IdType'
parent_categories:
type: object
properties:
data:
type: array
items:
$ref: '#/components/schemas/IdType'
description: Category hierarchy
description: Category specification
securitySchemes:
header_authorization:
type: apiKey
name: Authorization
in: header