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Categories · Address Validation APIs

Loqate Address Verification vs USPS Addresses API

Loqate Address Verification and USPS Addresses API are both Address Validation APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. USPS Addresses API offers a free tier while Loqate Address Verification does not, so USPS Addresses API is easier to trial before committing. On compliance, Loqate Address Verification additionally documents SOC 2, GDPR. For coding-agent use, Loqate Address Verification scores higher on agent-friendliness (75 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)
FieldLoqate Address VerificationUSPS Addresses API
Starting price$100 credit bundle (e.g. $100 buys credits; US address capture at 4.7¢ each) -
Pricing modelUsageUsage
Free tier✗✓
Self-serve signup✓✓
SOC 2Type II·
HIPAA··
GDPR✓·
Webhooks·✗
Sandbox✓✓
Documented actions184

Full data and citations: Loqate Address Verification · USPS Addresses API. See more Address Validation APIs.