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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.
JustPaste.it
PostalDataPIIt's recommended for individuals who need a quick and easy way to share text online without needing to manage accounts or access complex functionalities. This service is suitable for students, educators, writers, or anyone needing to share simple notes or text quickly.
Pastebin.com - Pastebin.com is a website where you can store text for a certain period of time.
Smarty - Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Pastelink.net - Anonymously publish text with hyperlinks enabled.
Melissa Data Quality - Melissa helps companies to harness Big Data, legacy data, and people data (names, addresses, phone numbers, and emails).
PrivateBin - PrivateBin is a minimalist, open source online pastebin where the server has zero knowledge of...
hastebin - Pad editor for source code.