Explorium vs Wappalyzer

Explorium provides B2B data and infrastructure for AI agents and go-to-market workflows, including account discovery, enrichment, event tracking and research. Its Generate Accounts & Prospects API builds targeted lists using filters such as company size, website keywords and technologies. Enrichment APIs cover firmographics, workforce trends, professional profiles, and company and personal contact information. The Events API tracks real-time developments such as partnerships and product launches; the AI Research API accepts natural-language queries to generate ideal customer profiles and insights. Listed coverage includes 146M+ business entities, 767M+ professional profiles, 90M+ geospatial datapoints and 4000+ data signals. Delivery options include native integrations, API or MCP access, and customized bulk data drops. AgentSource v2 includes matching, enrichment, research, events, webhooks, asynchronous jobs and credit-usage endpoints. A free trial provides 100 credits valid for 90 days. Paid packages include Lite at $29.99, paid once, with 500 credits valid for 12 months and no rollover.

Wappalyzer turns public website signals into technographic data for prospecting, record enrichment and monitoring market changes. It identifies thousands of technologies across millions of websites using signals such as HTML, scripts, headers, cookies and other fingerprints. Users can upload CSV or TXT files with up to 100,000 URLs for bulk analysis. APIs cover technology lookup, lead lists, subdomain discovery and email verification. Live results count as five lookups each; cached results are verified within the last 30 days. The service offers browser extensions and integrations including Salesforce, HubSpot, Pipedrive, Gmail, Zapier, Make and an iPhone app. Basic extension detection runs locally, and sharing limited website-level data can be disabled in settings. The free plan includes 50 technology lookups and 50 email verifications per month, five website alerts and sample lead lists. Pro costs $250 a month for one user. Plan-included API credits expire after 60 days, while credits bought in bundles expire after 365 days. Wappalyzer is aimed at sales, marketing, operations, strategy, partnerships and security teams.