OpenWeather vs Weatherstack

OpenWeather and Weatherstack are both Weather APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. Weatherstack starts lower at $9.99 per month vs $40 for OpenWeather. For coding-agent use, OpenWeather scores higher on agent-friendliness (35 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	OpenWeather	Weatherstack
Starting price	$40 month	$9.99 month
Pricing model	Hybrid	Subscription
Free tier	✓	✓
Self-serve signup	✓	✓
SOC 2	-	·
HIPAA	✗	✗
GDPR	✓	✓
Webhooks	✗	✗
Sandbox	✗	✗
Documented actions	20	9

Full data and citations: OpenWeather · Weatherstack. See more Weather APIs.