Question: I'm looking for an API that can quickly and accurately look up addresses and validate forms for my e-commerce site.

If you're looking for an API to quickly and accurately look up addresses and validate forms for your e-commerce site, Smarty is a comprehensive solution. It offers address verification, autocomplete, and geocoding for international addresses across 250 countries and territories. Smarty's API is easy to integrate, providing unlimited, no-cost customer support and flexible pricing plans, making it ideal for businesses needing accurate address data.

Another excellent option is Postcoder, which excels in efficient address lookup and form validation. It supports global address lookup in 244 countries and integrates various features like mobile validation, postcode lookup, and rooftop geocoding. With its robust API for high volumes and excellent uptime, Postcoder is trusted by over 9,000 organizations worldwide, promising significant improvements in form conversion rates and data quality.

Loqate is a robust address verification, data validation, and geocoding software, particularly useful for UK addresses. It offers a range of features including capture, verify, and data maintenance services. Loqate’s scalable APIs and cloud-native platform ensure reliable and efficient data quality improvement, making it suitable for businesses of all sizes.

Lastly, PlaceKit provides fast and accurate global address search with features like autocomplete, geocoding, and a store locator. Its pay-per-request pricing model and extensive language support make it a user-friendly and cost-effective option for enhancing your e-commerce site's user experience and data management.