Openmart
Company SearchLocal business search API covering 30M+ US, CA, and AU businesses — returns 40+ data points per listing including decision-maker contacts, tech stacks, and revenue estimates.
PredictLeads
Company SearchCompany intelligence API tracking 70M+ companies — job openings, news events, financing rounds, technology detections, connections, and website evolution via 23 REST endpoints.
Ocean.io
Company SearchB2B lookalike search and enrichment API with 230M+ contacts and 35M+ company profiles — company/people enrichment, lookalike search, and email/phone reveal via REST endpoints.
Aviato
Company SearchPeople and company intelligence API with 700M+ people records and 8M+ company profiles — funding, employees, founders, LinkedIn data, financials, web traffic, tech stack, and market maps.
Coresignal
Company SearchB2B data API with 3B+ records on companies, employees, and jobs — bulk search, collect, and enrich with multi-source firmographic and professional data.
Crustdata
Company SearchReal-time B2B data API with 340+ firmographic and people datapoints for company discovery, enrichment, people search, and live change monitoring via webhooks.
Fundable
Company SearchVC deal and startup intelligence API — 90K+ startups, 60K+ investors, funding rounds, AI-powered semantic search, and natural language deal alerts with 13 REST endpoints.