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Categories · Address Validation APIs

AddressFinder vs PostGrid Address Verification

AddressFinder and PostGrid 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. On compliance, PostGrid Address Verification additionally documents HIPAA. For coding-agent use, PostGrid 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)
FieldAddressFinderPostGrid Address Verification
Starting price - $18 month
Pricing modelHybridHybrid
Free tier✗✗
Self-serve signup✓✓
SOC 2Type IIType II
HIPAA✗✓
GDPR✓✓
Webhooks✗✗
Sandbox✗✓
Documented actions1414

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