OpenAI
ChatGPT
Claude AI
Gemini
Claude by Anthropic
Hugging Face
GitHub Copilot
Writesonic
PostalDataPI
Smarty
Melissa Data Quality
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.
OpenAI PostalDataPIBased on our record, OpenAI seems to be more popular. It has been mentiond 398 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.
Provider-side metadata. Both major providers expose per-user tagging. OpenAI accepts a user parameter on the Chat Completions and Responses APIs, and the OpenAI Usage API (launched December 2024) supports group_by=user_id for programmatic per-user cost breakdown. The Costs endpoint requires an admin key. Anthropic accepts metadata.user_id on every API request, capped at 256 characters and explicitly not for PII.... - Source: dev.to / about 1 month ago
For solo founders who don't run their own gateway: use Claude direct for highest quality, OpenAI for proven reliability, or wire up multi-provider routing via something like Prism (or build your own โ see Prism's architecture once it's published). - Source: dev.to / about 2 months ago
Composer 2 originally gained attention because Cursor delivered strong coding performance at dramatically lower token costs than frontier proprietary models. Cursor positioned it as a cheaper alternative to systems from Anthropic and OpenAI. (Cursor). - Source: dev.to / about 2 months ago
The most extreme case arrived in April 2026. In 2024, OpenAI CEO Sam Altman predicted that a one-person billion-dollar company "would have been unimaginable without A.I., and now it will happen." He maintained a betting pool with fellow tech CEOs over when it would arrive. In April 2026, he emailed the New York Times claiming he won the bet and that he "would like to meet the guy.". - Source: dev.to / 2 months ago
Everyone sees what they want in their benchmarks. OpenAI sees reasoning capability. Anthropic sees safety and helpfulness. Google sees multimodal understanding. The academic community sees generalization. Same numbers, completely different conclusions. - Source: dev.to / 2 months ago
ChatGPT - ChatGPT is a powerful, open-source language model.
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
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.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
Gemini - Gemini, formerly known as Bard, is a generative artificial intelligence chatbot developed by Google. Based on the large language model (LLM) of the same name, it was launched in 2023 in response to the rise of OpenAI's ChatGPT.
Claude by Anthropic - A family of foundational AI models
