Cognism
CRM & SalesPremium B2B sales intelligence platform with phone-verified contact data (Diamond Data), buying signal detection, and real-time API enrichment for European and global markets.
Cognism is known for Diamond Data — phone-verified mobile numbers and emails with industry-leading accuracy, particularly strong in European markets. It provides intent and signal data including hiring trends, funding rounds, and technographic changes to help identify in-market accounts with full GDPR/CCPA compliance.
Best for
B2B sales teams targeting European markets needing phone-verified contact data with GDPR compliance
Editorial profile generated February 27, 2026 · pricing & endpoint re-verified continuously (see badges above)
25/50
Overall Score
API Quality
7/10
GTM Relevance
18/20
Pricingpaid
Complexitymedium
Learningmedium
Visit cognism.com →API Analysis
REST API
✓
Available
Webhooks
✓
Available
GraphQL
—
—
OAuth
—
—
salesforcehubspotpipedriveoutreachsalesloft
Pricing
paid
Platinum from $15K/yr + $1.5K/user/yr, Diamond from $25K/yr + $2.5K/user/yr
Listed pricing, as of Feb 2026 — not independently verified; confirm on the vendor's site before relying on it.
Strengths & Weaknesses
AI-generated summary — not from verified user reviews.
Strengths
Diamond Data phone-verified contacts deliver leading mobile number accuracy in EMEA
Strong GDPR and CCPA compliance with DNC list checking built in
Real-time API enrichment and batch data delivery to CRMs and data warehouses
Weaknesses
Expensive entry point — minimum $15K/year plus per-user costs
North American data less comprehensive than European market strength
Alternatives
Reviews
Links
FAQ
What is Cognism?
Cognism is known for Diamond Data — phone-verified mobile numbers and emails with industry-leading accuracy, particularly strong in European markets. It provides intent and signal data including hiring trends, funding rounds, and technographic changes to help identify in-market accounts with full GDPR/CCPA compliance.
Is Cognism free?
Cognism is a paid product. Platinum from $15K/yr + $1.5K/user/yr, Diamond from $25K/yr + $2.5K/user/yr Pricing shown is as last reviewed and may change — confirm current pricing on the vendor's site.
What are Cognism alternatives?
Popular alternatives to Cognism include ZoomInfo, Apollo.io, Lusha, RocketReach. Compare features, API quality, and pricing on GTM Tools.
Does Cognism have an API?
Yes, Cognism provides a REST API. API quality is rated GOOD. Documentation: https://developers.cognism.com/.
Who is Cognism best for?
B2B sales teams targeting European markets needing phone-verified contact data with GDPR compliance
How current is Cognism's data on GTM Tools?
Endpoint reachability and pricing for verified-tier tools are re-checked on a schedule — see the verification badges on this page for the latest check. The editorial profile (description, strengths and weaknesses) is last generated February 2026, and any user-review themes are pulled from G2.