AddressFinder vs Melissa

AddressFinder and Melissa are both Address Validation APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. Melissa offers a free tier while AddressFinder does not, so Melissa is easier to trial before committing. On compliance, Melissa additionally documents HIPAA. For coding-agent use, AddressFinder scores higher on agent-friendliness (30 vs 20).

Comparedby a transparent data-readiness score computed from each API's published, sourced fields. No reviews, no paid placement. How we rank.

Data last verified 2026-06-14, with every field cited on each profile.

Head-to-head, from published, cited fields (auto-generated; no paid placement)
Field	AddressFinder	Melissa
Starting price	-	-
Pricing model	Hybrid	Hybrid
Free tier	✗	✓
Self-serve signup	✓	✓
SOC 2	Type II	Type II
HIPAA	✗	✓
GDPR	✓	✓
Webhooks	✗	✗
Sandbox	✗	✗
Documented actions	14	26

Full data and citations: AddressFinder · Melissa. See more Address Validation APIs.