Head-to-head · B2B data

Coresignal vs HarvestAPI

No suite in this run measured both Coresignal and HarvestAPI; each block below shows one of them alone.

Coresignal live

Structured public-web B2B datasets (employees, companies, jobs) with API, MCP and agentic search, a real-time employee endpoint that fetches at request time, and gated contact enrichment.

★ 4.8 · 12 reviewsA

Access: MCP · API · CSV · Dataset · Batch · Webhooks · Integrations

HarvestAPI live

Pay-as-you-go LinkedIn scraping API: live profiles, companies, jobs, posts and lead search without cookies, with optional email search on a profile. Also sold as Apify actors.

No public reviews

Access: API

Email Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · #27 of 29	HarvestAPI · not measured
Match rate	55.1%	-
Valid email rate	37.0%	-
Latency p50	928ms	-
Cost / valid email	$0.654	-
Invalid rate	25.9%	-
Catch-all share	33.3%	-
Business email	100.0%	-
Right-person rate	100.0%	-
Decoy hit rate	0.0%	-
Catch-all detection	11.1%	-
Confidence-score quality	-16.7 pts	-
Geographic coverage	3	-

People Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · #5 of 24	HarvestAPI · not measured
Profile match rate	98.0%	-
Identity accuracy	97.9%	-
Latency p50	928ms	-
Price / matched profile	$0.133	-
Current employer accuracy	93.8%	-
Move detection	100.0%	-
Decoy hit rate	0.0%	-
Job title accuracy	77.1%	-
Seniority label accuracy	82.1%	-
Location accuracy	95.8%	-
Work history completeness	7.0	-
Education completeness	87.5%	-
Skills present	95.8%	-
Social / profile URLs	100.0%	-
Coverage by geo / function / seniority	83.3%	-

Company Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · #19 of 23	HarvestAPI · not measured
Domain-to-company match rate	97.0%	-
Company name accuracy	93.8%	-
Latency p50	1,039ms	-
Price / matched company	$0.133	-
Industry accuracy	78.4%	-
Employee count ±20%	27.4%	-
HQ / location accuracy	80.4%	-
Description present	97.9%	-
Founding year accuracy	59.8%	-
Domains / social profiles	97.9%	-
Coverage by country / size	94.3%	-

Live Profile Datacore + suite-specific metrics

updated 2026-09-26

Metric	Coresignal · not in suite	HarvestAPI · #2 of 5
Current-job accuracy	-	93.1%
Fetch success	-	99.0%
Latency p50	-	3,350ms
Cost / profile	-	$0.0037
Move detection	-	94.2%
Still at previous employer	-	2.4%
Control accuracy	-	91.8%
Work history completeness	-	9.1
Education completeness	-	99.0%

Jobs Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · not measured	HarvestAPI · #3 of 6
Employer coverage	-	95.0%
Postings recall	-	59.3%
Latency p50	-	4,579ms
Cost / job	-	$0.0001
Closed or unknown postings	-	10.6%
Duplicate postings	-	33.8%
Location accuracy	-	96.3%
Posted-date accuracy	-	32.8%
Description present	-	0.0%
Coverage by country	-	91.7%

Technographic Datacore + suite-specific metrics

updated 2026-09-25

Metric	Coresignal · #8 of 10	HarvestAPI · not in suite
Coverage	86.0%	-
Detection accuracy	32.1%	-
Latency p50	1,039ms	-
Cost / lookup	$0.150	-
Live stack recall	14.6%	-
Technologies per domain	51	-
Dated results	100.0%	-
Coverage by geo / size	75.0%	-

Questions about Coresignal vs HarvestAPI

Which is better, Coresignal or HarvestAPI?

No benchmark in this run measured both, so they have no metric in common. Coresignal is ranked on Email Data, People Data, Company Data and Technographic Data; HarvestAPI is ranked on Live Profile Data and Jobs Data.

How do Coresignal and HarvestAPI compare in user reviews?

Coresignal holds 4.8 / 5 across 12 reviews on Datarade; HarvestAPI has no public reviews on G2, Capterra, TrustRadius or Trustpilot. Ratings belong to their platforms and play no part in the benchmark grades.

How can you get data out of Coresignal and HarvestAPI?

Coresignal offers an MCP server, an API, CSV export, dataset delivery, batch endpoints, webhooks and native integrations; HarvestAPI offers an API. Both offer an API.