SniffCat

SniffCat REST API

Documented, versioned REST API (/api/v1/*) for checking IPs, retrieving blacklist feeds and report history, and submitting abuse reports. Uses X-Secret-Token header authentication with role-based rate limits.

GitHub

Documentation

📖
Documentation
https://sniffcat.com/documentation
📖
APIReference
https://sniffcat.com/documentation/api
📖
GettingStarted
https://sniffcat.com/documentation/api
📖
Authentication
https://artifacts.apis.io/sniffcat/authentication/sniffcat-authentication.yml
📖
RateLimits
https://artifacts.apis.io/sniffcat/rate-limits/sniffcat-rate-limits.yml

Other Resources

🔗
Conventions
https://artifacts.apis.io/sniffcat/conventions/sniffcat-conventions.yml
🔗
ErrorCatalog
https://artifacts.apis.io/sniffcat/errors/sniffcat-problem-types.yml
🔗
DataModel
https://artifacts.apis.io/sniffcat/data-model/sniffcat-data-model.yml
🔗
Vocabulary
https://artifacts.apis.io/sniffcat/vocabulary/sniffcat-report-categories.yml
🔗
Sandbox
https://artifacts.apis.io/sniffcat/sandbox/sniffcat-sandbox.yml
🔗
APIsJSON
https://artifacts.apis.io/sniffcat/apis.yml

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.
All 92 tools →

Call it yourself

curl for this page
This API 
curl "https://apis.io/api/v1/apis/sniffcat:sniffcat-rest-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.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑ 
name: SniffCat REST API
description: Documented, versioned REST API (/api/v1/*) for checking IPs, retrieving blacklist feeds and
  report history, and submitting abuse reports. Uses X-Secret-Token header authentication with role-based
  rate limits.
humanURL: https://sniffcat.com/documentation/api
baseURL: https://api.sniffcat.com
tags:
- Threat Intelligence
- IP Reputation
- abuse-database
- Cybersecurity
- OSINT
- Network Security
- sysadmin-tools
- Blacklist
tags_raw:
- threat-intelligence
- ip-reputation
- abuse-database
- cybersecurity
- osint
- network-security
- sysadmin-tools
- blocklist
- Blocklist
properties:
- type: Documentation
  url: https://sniffcat.com/documentation
- type: APIReference
  url: https://sniffcat.com/documentation/api
- type: GettingStarted
  url: https://sniffcat.com/documentation/api
- type: Authentication
  url: authentication/sniffcat-authentication.yml
- type: Conventions
  url: conventions/sniffcat-conventions.yml
- type: ErrorCatalog
  url: errors/sniffcat-problem-types.yml
- type: RateLimits
  url: rate-limits/sniffcat-rate-limits.yml
- type: DataModel
  url: data-model/sniffcat-data-model.yml
- type: Vocabulary
  url: vocabulary/sniffcat-report-categories.yml
- type: Sandbox
  url: sandbox/sniffcat-sandbox.yml
x-evidence:
  verified: '2026-08-19'
  method: live probe + published reference
  docs: https://sniffcat.com/documentation/api documents five endpoints with full parameter, response
    and error tables.
  endpoint_check: GET https://api.sniffcat.com/ -> 200 {"success":true,"status":200,"version":"0.1.5"};
    GET https://api.sniffcat.com/api/v1/check?ip=1.1.1.1 -> 403 "Missing API token in request headers."
    with live RateLimit headers.
  machine_readable_contract: none published (openapi.json/swagger.json/api-docs/redoc all 404 on api.sniffcat.com
    and sniffcat.com)