Melissa Cloud APIs provide global data quality, verification, and enrichment for developers.
Core services: address validation (250+ countries, USPS CASS/DPV certified), real-time email
mailbox verification, phone number validation with Caller ID, name parsing across 650,000+
global name variants, identity verification, IP geolocation, U.S. property data for 140+
million properties, and B2B/B2C lead enrichment. All APIs use REST with JSON or XML responses,
authenticated via a License Key. Pricing starts at $4.95 per 1,000 credits; free trial available.
GitHub: https://github.com/MelissaData — code samples in Python, Java, .NET, C++, and Go.
Full reference documentation: https://docs.melissa.com