Company Signals: Firmographics, headcount-growth classification, homepage tech detection, and an explainable 0-100 lead score. Score reflects findability, size and growth — not buying intent or funding; funding, revenue, layoffs and hiring-posting counts unavailable upstream. A settled no-match returns 404 and is not charged. Pay per call in USDC on Base via x402 — POST https://x402.freeq.one/tools/company_signals.