
PostalDataPI
Ideal postcodes
Fetchify
Smarty
Data8 UK
ZIP Code API
Data8 UK PredictiveAddress
Email Verification API
HackerOne
Acunetix
Trustwave Services
Forcepoint Web Security Suite
Bae Systems Cyber Security
Varonis
Change Tracker Enterprise
OPSWAT
PostalDataPI is a global postal code validation and enrichment API covering 240+ countries and territories. One API, one key, one flat rate โ $0.000028 per query with no tiers or subscriptions.
What you get back: Up to 18 metadata fields per postal code โ city, state/region, coordinates, timezone, three levels of administrative hierarchy, elevation, and more. Sub-5ms cached responses.
Works everywhere: US ZIP codes, UK postcodes, German PLZ, Japanese postal codes, Canadian FSAs, and 230+ more. Format normalization handles case, spacing, and hyphen variations automatically.
Get started in 60 seconds: 1,000 free queries on signup, no credit card required. SDKs for Python and Node.js. MCP server for AI agents (Claude, Cursor, etc.).
Built for developers: REST API, consistent JSON responses across all countries, OpenAPI spec, llms.txt for AI agent discovery.
PostalDataPI
HackerOneBased on our record, HackerOne seems to be more popular. It has been mentiond 17 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Mozilla has a great security team and they have recently moved to HackerOne https://hackerone.com/. I don't understand where you get the basis for saying that mozilla employees don't work on weekends. Any facts or substantiation or just speculation? Source: about 3 years ago
You pick a target, for example hackerone.com. Source: over 3 years ago
There are many resources online nowadays to learn security. You can do challenges on https://root-me.org, https://www.hackthebox.com/, https://overthewire.org/wargames/, etc. You can participate in security competitions (CTFs), see https://ctftime.org for a list of upcoming events. And finally if you are more interested in web security you can look for bugs on websites and get paid for it by https://hackerone.com... Source: over 3 years ago
Do Bug bounty on https://hackerone.com. You'll get paid if you really know how to hack and write a report.alot oh cash rains in the thousands if you can pwn a computer that is in scope .plus its legal as long as you stay in scope. Source: over 3 years ago
Depending on what type of cybersecurity you want to do, there's other ways to set yourself apart as well. Another way I'd get confidence in someone's abilities is if they've made bug bounties on bugcrowd.com or hackerone.com, for example. Even then, at big companies those people still have to go through HR just like everybody else. Source: almost 4 years ago
Ideal postcodes - We help businesses improve UX and data quality with a cutting edge address validation service.
Acunetix - Audit your website security and web applications for SQL injection, Cross site scripting and other...
Fetchify - Fetchify delivers fast, accurate address, email, phone and bank validation tools that help businesses capture clean, verified customer data, reduce failed deliveries and improve checkout experiences worldwide.
Trustwave Services - Trustwave is a leading cybersecurity and managed security services provider that helps businesses fight cybercrime, protect data and reduce security risk.
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Forcepoint Web Security Suite - Internet Security