
PostalDataPI
Smarty
Melissa Data Quality
Perplexity.ai
ChatGPT
Claude AI
Gemini
Poe
HuggingChat
Writesonic
Microsoft Copilot
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
Perplexity.aithis tool is powerful for article writing with sources already mentioned. just give him a topic/company name it will research for you everything about it. Really reliable tool.
I just love it
Based on our record, Perplexity.ai seems to be more popular. It has been mentiond 65 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.
> tried using ChatGPT to search for original sources That's a bad idea, do not do that. Regardless of the the knowledge contained in ChatGPT, it's completely wrong tool/tech - like using a jackhammer as a screwdriver. If your want original sources, then services like https://perplexity.ai can do it. - Source: Hacker News / almost 2 years ago
Perplexity[0] is a service whose primary feature is this "assistant" style search, which is an auxiliary featyre for Kagi. [0] https://perplexity.ai. - Source: Hacker News / almost 2 years ago
You can get the sweet spot with https://perplexity.ai/ for many cases. It does the searches, aggregated answer, and the actual supporting links. It got back with "The URL for Alpine Linux's style guide for commit messages can be found in the README.md file of the aports repository on GitLab. The specific URL is: https://gitlab.alpinelinux.org/alpine/aports/-/blob/master/README.md" (+ extra links that include the... - Source: Hacker News / almost 2 years ago
Your first step is creating your Perplexity AI account. Head over to Perplexity AI's website and click the Sign Up button: You'll be presented with a few convenient options to create your account: If you have a Google or Apple account, you can seamlessly connect it to Perplexity AI for a quick and secure signup. If youโd rather keep things separate, choose Continue with Email and follow the on-screen prompts to... - Source: dev.to / about 2 years ago
Perplexity AI - Quickly search for and gather information. - Source: dev.to / about 2 years ago
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
ChatGPT - ChatGPT is a powerful, open-source language model.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
Claude AI - Claude is a next generation AI assistant built for work and trained to be safe, accurate, and secure. An AI assistant from Anthropic.