4
Enigma
Enigma provides business intelligence on the identity and financial health of small and medium businesses in the United States.
Free planWebAPI
7.4From $20 a month
Visit
5
BuiltWith
BuiltWith profiles websites to show the technologies and online activity associated with them.
Free planWebAPIExtension
7.2Free plan
Visit
6
Clay
Clay is a spreadsheet-style platform for connecting information and automating work, aimed at salespeople, growth teams and small agencies finding and reaching customers.
Free planWebLinuxmacOS
7.2From $167 a month
Visit
7
Coresignal
Coresignal provides real-time public web data about companies, jobs, and professionals through APIs and flat-file datasets.
Free planWebAPI
7.2From $49 a month
Visit
8
The Official Board
The Official Board provides corporate organizational charts and executive movement alerts in structured formats.
Free planWebAPI
6.8$99 one-time
Visit
9
TheirStack
TheirStack helps sales and marketing professionals identify companies that may need what they sell, using job postings as signals of business needs.
Free planWebAPI
6.8From $49 a month
Visit
10
Vera Enrich
Free planWebAPI
6.7From $9 a month
Visit
11
Ocean.io
Ocean.io helps teams find companies that resemble their successful customers.
WebAPIExtension
6.6
Visit
12
Sona Enrich
Sona Enrich provides developer-first APIs for B2B data enrichment and activation, with web and API access.
Free planWebAPI
6.6From $2,988 a year
Visit
13
CompanyEnrich
CompanyEnrich provides real-time company and people data through APIs for platforms, AI agents, and go-to-market workflows.
WebAPIExtension
6.4From $49 a month
Visit
14
Explorium
Explorium provides B2B data and infrastructure for AI agents and go-to-market workflows.
WebAPI
6.3
Visit
15
Propensity
WebAPI
6.3From $2,000 a month
Visit
16
Store Leads
Store Leads is a database of ecommerce stores for prospecting, market research, data enrichment, and alternative investment data.
WebAPIExtension
6.3From $75 a month
Visit
17
Zephira
Zephira is a paid company-data service offering searchable records, ownership structures, and financial information from official registries.
WebAPI
6.3From $99 a month
Visit
18
Olostep Company Data API
Olostep Company Data API looks up a company by name and returns normalized firmographic information from a live web search.
WebAPI
6.2From $9 a month
Visit
19
AstroFabric
AstroFabric provides agentic AI for business intelligence, helping users discover target companies, find people, enrich and verify data, monitor…
WebAPI
6.1From $65 a month
Visit
20
Harmonic
Harmonic is a startup database for tracking companies and people as they hire, raise funding, launch products or change direction.
iOSWebAPIExtension
6.1
Visit
21
HG Insights
WebAPI
6.0
Visit
22
Firmographics.org
WebAPI
5.9From $19.99 a month
Visit
23
Crustdata
Crustdata provides company and people data for sales, recruiting, investing, and research through APIs and an MCP server.
WebAPI
5.8
Visit
24
Bebop Insights
Bebop Insights provides live B2B company intelligence for targeting, enrichment, and growth.
Free planAPI
5.7Free plan
Visit
25
Kernel
Kernel is a web and API entity-data platform for revenue operations teams managing company records across enterprise CRMs.
WebAPI
5.7
Visit
26
Open Enrich
Open Enrich is an open-source enrichment engine for go-to-market teams that turns CSV files into company intelligence, contact details, and buying signals.
WebAPILinuxSelf-hosted
5.7
Visit
27
B2B Enrichment
API
5.6$99 usage-based
Visit
28
MixRank Web Technographics
API
5.6
Visit
29
BuzzBoard
WebAPIExtension
5.5
Visit
30
ChangeSignal
ChangeSignal is a web service for sales and prospecting teams that turns changes in public data into evidence-linked buying signals.
Web
5.5
Visit

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