Best Address Validation APIs
Our data-driven picks, ranked from published pricing, compliance, and capability data — with the reasons shown. Compare all 1 →
Top pick: Melissa
Global data quality and enhancement solutions to profile, verify, clean, update, match, and integrate People data.
Why it leads: transparent public pricing, a free tier, self-serve signup, SOC 2 Type II, HIPAA.
Melissa profile →
Best for…
- Best free tier
- Melissa — has a genuine free tier
- Most self-serve
- Melissa — lets you sign up and get keys without sales
- Strongest compliance
- Melissa — carries the most compliance attestations
- Most capabilities
- Melissa — exposes the broadest documented API surface
The shortlist
Global data quality and enhancement solutions to profile, verify, clean, update, match, and integrate People data.
Strengths: transparent public pricing, a free tier, self-serve signup, SOC 2 Type II.
How we pick: ranking is computed from each API’s published, sourced fields — no reviews, no paid placement. See the full Address Validation APIs directory and each profile for the underlying data and citations.