SniffCat REST API

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
- Blocklist
tags_raw:
- threat-intelligence
- ip-reputation
- abuse-database
- cybersecurity
- osint
- network-security
- sysadmin-tools
- 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)