AddressFinder vs Radar Geocoding API

AddressFinder and Radar Geocoding API are both Address Validation APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. Radar Geocoding API offers a free tier while AddressFinder does not, so Radar Geocoding API is easier to trial before committing. Radar Geocoding API supports webhooks for event-driven integration; the other does not document them. For coding-agent use, Radar Geocoding API scores higher on agent-friendliness (45 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)
Field	AddressFinder	Radar Geocoding API
Starting price	-	$0.50 1,000 requests
Pricing model	Hybrid	Hybrid
Free tier	✗	✓
Self-serve signup	✓	✓
SOC 2	Type II	Type II
HIPAA	✗	·
GDPR	✓	✓
Webhooks	✗	✓
Sandbox	✗	✗
Documented actions	14	3

Full data and citations: AddressFinder · Radar Geocoding API. See more Address Validation APIs.