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Categories · Address Validation APIs

AddressFinder vs Lob Address Verification

AddressFinder and Lob Address Verification are both Address Validation APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. Lob Address Verification offers a free tier while AddressFinder does not, so Lob Address Verification is easier to trial before committing. On compliance, Lob Address Verification additionally documents HIPAA. For coding-agent use, Lob Address Verification scores higher on agent-friendliness (40 vs 30).

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)
FieldAddressFinderLob Address Verification
Starting price - $0.03 1,000 lookups
Pricing modelHybridHybrid
Free tier✗✓
Self-serve signup✓✓
SOC 2Type IIType II
HIPAA✗✓
GDPR✓✓
Webhooks✗✗
Sandbox✗✓
Documented actions149

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