Lob provides a suite of APIs for automating the offline world. Send postcards, letters, and checks to your customers, and much more.
Custom pricing
Best Melissa Alternatives ranked by AI · updated Aug 2026
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Melissa provides global address verification, geocoding, identity, and contact-data quality services through APIs and enterprise software. It is intended for organisations managing large international customer or postal databases rather than only UK checkout forms.
Top 6 Melissa alternatives
ZeroBounce is an email verification service that helps businesses improve email deliverability by eliminating invalid email addresses and spam traps from their...
Starting at $16 for 2,000 credits
FreshAddress provides email marketing services, including email list cleaning, validation, and correction.
Contact for pricing
Experian provides credit reports, credit scores, identity monitoring, and credit-improvement tools directly from a major credit bureau. It suits consumers who prioritize...
Pros
- Provides direct access to Experian credit-report data
- Offers stronger identity-monitoring coverage than Floss Your Score
- Includes score simulators and educational tools for planning credit changes
Cons
- Primarily monitors Experian data rather than all three bureaus on the free plan
- Paid plans cost more than basic credit-monitoring services
- Less focused on personalized credit-repair advocacy
Freemium, Premium from $24.99/mo
People Data Labs is a data provider offering a variety of data enrichment services including email, phone, and professional information.
Custom pricing
PCA Predict was an address verification, autocomplete, geocoding, and data-quality service for businesses processing customer addresses. Its capabilities are now provided under...
Pros
- Combined address lookup, validation, geocoding, and data-quality capabilities
- Designed for international address coverage and ecommerce checkout workflows
- Supports API and hosted integration options
Cons
- PCA Predict is no longer marketed as a standalone product
- Current purchasing and support are handled through Loqate
- Enterprise pricing is less transparent than Smarty's self-service plans
Quote-based
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