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Alternatives

Products that do what SikkerAPI does

Free IP reputation service powered by honeypot data

  1. 1IA

    IPDetective collects data from about 60+ different sources such as official cloud provider endpoints and public VPN/Proxy/Tor/Bot net lists. Then aggregates this data into a fast and easy to use API that can be integrated into applications or scripts easily. IPDetective started as a hobby project for my other hobby projects :) and I decided to wrap a simple website around and offer it as a service. Let me know what your thoughts, if you find value in this service or if you have any feature requests.

    2022 · ipdetective.io

  2. 2FF

    A few months ago, I benchmarked FastAPI on an i9 MacBook Pro. I couldn't believe my eyes. A primary REST endpoint to `sum` two integers took 6 milliseconds to evaluate. It is okay if you are targeting a server in another city, but it should be less when your client and server apps are running on the same machine. FastAPI would have bottleneck-ed the inference of our lightweight UForm neural networks recently trending on HN under the title "Beating OpenAI CLIP with 100x less data and compute". (Thank you all for the kind words!) So I wrote another library. It has been a while since I have…

    2023 · github.com

  3. 3OS
  4. 4WB
  5. 5AS

    2014 · ipinfo.io

  6. 6

    A free guardian that blocks malicious IPs at the kernel.

    Feb 2026 · sikkerapi.com

  7. 7
    Hotmark116

    Create honeypots & protect your e-mail lists

    2020

  8. 8IL

    2013 · iplook.herokuapp.com

  9. 9TR

    I'm a network engineer that likes to think about the future of the internet and this is what I've built over many nights and weekends. One reputation graph over IPs, ASNs, domains, and entities, exposed as a JSON API. Try it: curl https://api.tunnelmind.ai/v1/check/1.1.1.1 Every answer is a signed receipt with an attestation tier so you can see what was produced and how your agents can use it. The protocol is opensource. Try it out let me know what you think and yes I am still working on the radar section of the site. Also What would make this useful for you?

    Jun 2026 · tunnelmind.ai

  10. 10

    Live honeypot API — 211k attacks detected, 3697 IPs blocked

    Mar 2026 · rapidapi.com

  11. 11AB

    Most other IP lookup tools I've found are mostly just trying to push you to signup for their API, which is fine but less useful if you're just trying to figure out which IP addresses in your log files are from sketchy locations and likely to do bad things to your application. I merged together a bunch of APIs and some of our own honeypot collected data to make something I hope devs and security folks find useful. If you want to try out a "bad" IP, try this one: https://wafris.org/ip-lookup/104.244.72.115

    2023 · wafris.org

  12. 12

    A clean and intelligent way to investigate any IP

    Dec 2025

  13. 13IA
  14. 14BI

    I was setting up tests involving DNS resolution recently, where something like 127.0.0.1.service.foo would have been tremendously useful. Back in the day, I'd have used xip.io - but sadly that service died. Well, every excuse is a good one when it comes to writing a DNS server! Backname.io joins nip.io and sslip.io in the wildcard DNS game.

    2023 · backname.io

  15. 15AP
  16. 16WI

    I am Abdullah from IPinfo. We have finally launched our API service that supports an unlimited amount of requests to fetch IP to Country and ASN database. It is free to use. https://ipinfo.io/lite Try out this token for the next several to check out the API service: a6c2e5328296f5 https://api.ipinfo.io/lite/8.8.8.8?token=a6c2e5328296f5 https://api.ipinfo.io/lite/me?token=a6c2e5328296f5 - The API system is built using Node.js from the ground up but we are currently moving our backend to Rust. We processed over 2 trillion requests last…

    2025

  17. 17

    Fast IP and network lookups without the noise.

    Nov 2025

  18. 18

    Blazing fast IP & DNS tools for developers

    Nov 2025

  19. 19

    Open Source DDI Solution (DHCP, DNS, IPAM)

    Jul 2026 · github.com

  20. 20

    AI firewall for LLM calls, MCP tools, and agentic workflows

    Jul 2026 · argusai-tau.vercel.app

  21. 21OS

    Hello everyone I wanted to share a project I've been working on that I think you'll find really interesting. It's called Beelzebub, an open-source honeypot framework that uses LLMs to create incredibly realistic and dynamic deception environments. By integrating LLMs, it can mimic entire operating systems and interact with attackers in a super convincing way. Imagine an SSH honeypot where the LLM provides plausible responses to commands, even though nothing is actually executed on a real system. The goal is to keep attackers engaged for as long as possible, diverting them from your real…

    2025

  22. 22
    krain4

    The honeypot solo devs can actually run and maintain

    Jul 2026 · krain-sec.vercel.app

  23. 23CP

    Hi HN, I built CountermarkAI, a lightweight anti-scraping & bot-detection tool for content creators and website owners. It’s designed to help protect your work from unauthorized scraping and AI training, that repurposed your work without permission. How It Works: Use Hashtag – Creators add a unique hashtag to their content as a declaration of ownership. Protect Website – For those running your own sites, simply add a small snippet to your . The protect.js script works asynchronously by sending metadata from every page load back to our servers, logging requests, and flagging known AI-training…

    2025 · countermarkai.com

  24. 24OS

    tl;dr we released openapi.security, an online tool that performs a dozen of security tests on any given openapi/swagger-based API, with no signup or email required. You can try it here: https://openapi.security My team at Escape (YC W23) is mainly focused on securing GraphQL APIs. For this, we developed a new approach called Feedback driven API Exploration. Basically, we infer the right security tests cases to run using the specification and a carefully crafted in house graph traversal algorithm. (It's a bit long to describe here but we published a more in depth explanation of…

    2023 · openapi.security

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