Coresignal vs Lead Onion
A factual comparison of features, pricing, and capabilities.
Coresignal
B2B web data provider serving company, employee and job posting records through search and enrichment APIs, a natural language agentic search API, and bulk datasets.
Lead Onion
Buyer intent platform that combines person-based, account-based and website-based intent (topic intent via Bombora, Foundry or Continuity, competitor engagement, events, technologies) with contact reveals and an AI buyer-intent agent, syncing leads into HubSpot, Salesforce, Microsoft Dynamics, Outreach and Slack.
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
Feature comparison.
| Feature | Coresignal | Lead Onion |
|---|---|---|
| Multi-source endpoints | ||
| Agentic Search API | ||
| Elasticsearch DSL | ||
| Webhooks | ||
| Search preview | ||
| Contact Enrichment API | ||
| 3-month credit rollover | ||
| Dedicated account manager support | ||
| Person Based Intent | ||
| Account Based Intent | ||
| Website Based Intent | ||
| Research Quadrant | ||
| Watchlist | ||
| Account Level Intent | ||
| Topic Intent | ||
| Competitors | ||
| Events | ||
| Technologies | ||
| In-Market Accounts | ||
| Prospects Search |
Native integrations.
Coresignal
Lead Onion
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Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.