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Hi PH! I built ZipCodeStack to make working with postal/ZIP codes boringly simple. I kept running into messy datasets and heavyweight geo stacks when all I needed was a fast lookup and a reliable way to get distances between codes. What’s new and different • Two focused endpoints, not a kitchen sink: search and distance. • Predictable JSON with stable field names and batch support. • Simple auth via apikey header or query param. • Country filter by ISO-2 so you can scope results without juggling multiple datasets. What it does today • Search: look up one or many codes and get city, state/province, country, and coordinates. • Distance: compute the distance from one code to many, in km or miles. Quick feel for the API # search curl -G 'https://api.zipcodestack.com/v1/...' \ --data-urlencode 'codes=1010,1020' \ --data-urlencode 'country=AT' \ -H 'apikey: YOUR-API-KEY' # distance curl -G 'https://api.zipcodestack.com/v1/...' \ --data-urlencode 'code=99501' \ --data-urlencode 'compare=90210,15106' \ --data-urlencode 'unit=km' \ --data-urlencode 'country=US' \ -H 'apikey: YOUR-API-KEY' Great fits • Checkout and shipping forms • Service-area finders and store locators • Logistics dashboards and light ETL Roadmap • Autocomplete for forms • Reverse lookup from lat/long • Radius search • CSV exports I’d love feedback on missing fields, autocomplete ranking, and any countries or edge cases you rely on. Thanks for checking it out! Homepage: https://zipcodestack.com Docs: https://zipcodestack.com/docs/

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Zip code api for global address validation

Zip code api for global address validation

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