NumRadar
NumRadar checks whether phone numbers are registered on WhatsApp via bulk uploads, a REST API, an MCP server for AI agen
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Unclaimed · listed Nov 8, 2026AI agents
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About NumRadar
From the product's websiteUsers upload CSV/Excel lists, call POST /v1/validate, connect an AI agent over MCP, or check numbers on web pages via Chrome. Results show registered, not registered, invalid or unknown, plus business account details, line type, country and a wa.me link. Checks run on NumRadar's side without connecting the user's WhatsApp. Only definitive answers use the monthly allowance. Avoids wasting campaign spend and effort on numbers not on WhatsApp, so teams can route those contacts to SMS or email ahead of time instead of saving numbers to a phone to check them. Built for: Teams checking customer and lead lists before WhatsApp campaigns, reminders, or outreach; developers adding WhatsApp status to apps and CRMs. Main features: Bulk CSV/Excel/paste upload with automatic phone column detection and dedup before billing; REST API returning WhatsApp status, is_business, line_type, country, wa.me link; Hosted MCP server with 5 tools and 3 slash prompts; Local stdio MCP via npx -y @numradar/mcp; Chrome extension with hover check and side panel; Webhooks on Growth and higher.
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