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Categories · Address Validation APIs

Melissa vs PostGrid Address Verification

Melissa 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. Melissa offers a free tier while PostGrid Address Verification does not, so Melissa is easier to trial before committing. For coding-agent use, PostGrid Address Verification scores higher on agent-friendliness (40 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)
FieldMelissaPostGrid Address Verification
Starting price - $18 month
Pricing modelHybridHybrid
Free tier✓✗
Self-serve signup✓✓
SOC 2Type IIType II
HIPAA✓✓
GDPR✓✓
Webhooks✗✗
Sandbox✗✓
Documented actions2614

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