Company Enrichment API

Company enrichment from any domain. Firmographics, socials, tech stack, contact info, address. Built for sales prospecting and CRM. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

{
  "mcpServers": {
    "company-enrichment": {
      "url": "https://company-enrichment.api.klymax402.com/mcp"
    }
  }
}

Related MCP server: enrich-company-mcp

Quickstart -- HTTP (x402)

curl "https://company-enrichment.api.klymax402.com/api/enrich?domain=..."
# -> 402 Payment Required, with an x402 payment challenge in the response body

Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.

Tools

company_enrich_from_domain

Enrich an organization's profile by domain. Alternative to Apollo org-enrich at 5x lower cost. Returns structured JSON with firmographic data, socials, tech stack, and contact info scraped from the website.

Parameters

Example response:

{"name":"Stripe","description":"Financial infrastructure for the internet","socials":{"linkedin":"https://linkedin.com/company/stripe","twitter":"https://twitter.com/stripe"},"contactEmail":"info@stripe.com","techStack":["React","Next.js","Cloudflare"],"address":"354 Oyster Point Blvd, South San Francisco, CA"}

When to use: sales outreach, CRM enrichment, competitive research, or account-based marketing. Essential for qualifying leads and enriching organization profiles from just a domain. Drop-in replacement for Apollo company enrichment.

Not for: tech stack only (use website_detect_tech_stack), SEO data (use seo_audit_page), person data (use person_enrich_from_email), domain WHOIS/DNS (use domain_lookup_intelligence).

Example agent prompts

• "Enrich an organization's profile by domain"

Payment

• Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key

• Network: Base L2 (eip155:8453)

• Asset: USDC

• Facilitator: Coinbase CDP (primary), PayAI (fallback)

• Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)

Part of klymax402

100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.

• Catalog: https://klymax402.com/llms.txt

• Full API reference: https://klymax402.com/llms-full.txt

• Live stats: https://klymax402.com/stats

License

MIT