PostalDataPI
Smarty
Melissa Data Quality
NetNut.io
Bright Data
Oxylabs
Decodo
IPRoyal
ASocks
SOAX
Webshare
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.
NetNut empowers enterprises to anonymously collect, analyze, and extract web data via its extensive global network of residential IPs. With NetNut, businesses can delve deep into web data, gaining crucial insights about their customers and competitors alike. In addition, NetNut provides a comprehensive suite of data scraping tools, website unblocking solutions and professional datasets, enabling effortless access to public web data.
PostalDataPI NetNut.ioBased on our record, NetNut.io seems to be more popular. It has been mentiond 8 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.
> https://x.com/weezerOSINT/status/2072772333329416654 > They seized the wrong domain. Netnut is still up and running > The domain FBI seized: https://netnut.com > The real domain https://netnut.io The backend infrastructure, for similar reasons, is probably still operational, even if it might have taken a hit. - Source: Hacker News / 18 days ago
The NetNut Mobile ISP Proxies concentrate on steady, prolonged sessions with routes via ISP networking. The proxies are best suited for automation jobs that involve steady connections, although with a slight difference from mobile NAT traffic methods. - Source: dev.to / 7 months ago
(Optional) Using a proxy server. You would need to secure proxy services from an external proxy provider (NetNut, BrightData, or similar) to configure things like host, username, and password separately. - Source: dev.to / over 1 year ago
Utilize Residential Proxies: Residential proxies come with the advantage of having whitelisted IPs tied to real devices, making them reliable for web scraping and anonymous browsing. Providers like Oxylabs, SOAX, and NetNut offer residential proxy services that can cater to your specific needs. Source: over 2 years ago
NetNut. Good speed and reliable. They have a large pool of IPs. Source: about 3 years ago
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Bright Data - World's largest proxy service with a residential proxy network of 72M IPs worldwide and proxy management interface for zero coding.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
Oxylabs - A web intelligence collection platform and premium proxy provider, enabling companies of all sizes to utilize the power of big data.