Serpstat API vs Zenserp

Serpstat API and Zenserp are both SERP APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. Zenserp starts lower at $49.99 per month vs $100 for Serpstat API. Zenserp offers a free tier while Serpstat API does not, so Zenserp is easier to trial before committing. For coding-agent use, Serpstat API scores higher on agent-friendliness (55 vs 45).

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 2026-06-06, with every field cited on each profile.

Head-to-head, from published, cited fields (auto-generated; no paid placement)
Field	Serpstat API	Zenserp
Starting price	$100 month	$49.99 month
Pricing model	Subscription	Subscription
Free tier	✗	✓
Self-serve signup	✓	✓
SOC 2	·	·
HIPAA	·	·
GDPR	✓	✓
Webhooks	·	✗
Sandbox	✗	✗
Documented actions	51	15

Full data and citations: Serpstat API · Zenserp. See more SERP APIs.