PostGrid Address Verification
PostGrid Address Verification is a real-time postal address validation solution for verifying, validating, standardizing, autocorrecting and enriching all of your customers' addresses with our CASS and SERP certified address database. With our Standard address verification API you can easily validate US and Canadian addresses real-time. With our International Address Verification API, you can verify addresses across 245+ countries globally. Ensure your customer's addresses are up to date and ensure accurate mail deliverability.
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Smarty
Smarty leads the way in location data intelligence, offering a comprehensive suite of address validation APIs for USPS, non-postal, and international addresses. Our address autocomplete API simplifies data entry, and our geocoding and reverse geocoding APIs deliver hyper-accurate results at lightning speed. From New York to Jakarta, Smarty covers the globe, standardizing, validating, and enriching address data. Our fully documented APIs and unlimited tech support make us the top choice for USPS and international address validation solutions. Whether you're in Tokyo or Toronto, our comprehensive documentation and exceptional customer support make it easy to start validating addresses in minutes. With 250 free lookups per month, no credit card required, and a full demo available, Smarty has you covered. From address validation to list processing, we've got every detail you need. Our service ensures security with 24-hour monitoring, encryption, and hashed data, delivering an average sub-3
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Web APIs by Melissa
Melissa’s Web APIs provide a comprehensive solution for global data verification, cleansing, and enrichment to maintain reliable data. Verify, standardize and cleanse global identities, addresses, phones & emails, powered by AI-driven reference data. Our flexible APIs are designed for modern interfaces, including REST, JSON, and XML are easily accessible through our Developer Portal, where you can build, test, and explore integrations.
Enhance your data with geographic, demographic, and firmographic insights, along with U.S. property data for advanced enrichment. Melissa supports seamless integration with popular platforms such as Salesforce, Shopify, and more, making data management and governance simple and efficient. Whether you’re focused on data management, data validation, or leveraging our APIs into your website or mobile applications, Melissa helps you unlock the full potential of your data.
Get started with 1,000 complimentary credits! All you need is a Melissa account
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sthan.io
Address APIs built for scale, priced for everyone. Autocomplete, parsing, verification, geocoding, reverse geocoding, and IP geolocation. Accepts freeform address text, no pre-formatting required. AI-assisted address matching and normalization for handling typos, abbreviations, and incomplete inputs. Continuously updated US postal dataset. Plans start as low as $5/month with annual discounts up to 50%. Generous free tier available. No credit card required for free tier.
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