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SiteCheck Company Records – Similarweb Domain Intelligence
x402
SiteCheck Company Records – Similarweb Domain Intelligence is a paid API for AI agents from api.companyrecords-api.workers.dev, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-24).
Returns a comprehensive Similarweb traffic and audience profile for any domain, including ranks, visit metrics, traffic sources, top countries, demographics, search keywords, and similar sites.
Price / call$0.05
Success—
StatusUnknown
How this service works
Pay-per-call company registry, government, legal and B2B data tools for AI agents, from official registers and public sources. Payment: x402, USDC on Base, Solana, Arc, Polygon, Arbitrum, Monad, World Chain, Optimism, Avalanche, Celo or Stellar, or RLUSD/XRP on the XRP Ledger. No signup, no API key; a failed call is not charged.
Output
Returns a structured JSON object containing: global, country, and category traffic ranks; monthly visit count and month-over-month change; 3-month visit trend; bounce rate; pages per visit; average visit duration; traffic source breakdown (direct, referral, search, social, email, display); top countries by share; age distribution; gender split; organic vs paid search ratio; top organic and paid keywords; top social networks; list of similar/competing sites; and company facts about the domain owner.
Example use cases
Competitor traffic benchmarking
“I'm researching our top three competitors — can you get the monthly visit counts, global rank, and main traffic sources for linear.app, clickup.com, and asana.com so I can benchmark us against them?”
Investor due diligence on startup
“We're doing due diligence on a SaaS startup — can you pull the Similarweb profile for their domain pipefy.com, including monthly visits, visit trend over 3 months, bounce rate, and whether their traffic is mostly organic or paid?”
Audience demographics for ad targeting
“Before we launch our ad campaign, can you check the age and gender breakdown of visitors to zapier.com and which countries they mainly come from? I want to make sure we're targeting the right audience.”
Technical details
Endpoint
GEThttps://api.companyrecords-api.workers.dev/api/b2b/similarweb?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, single-call lookup of Similarweb public traffic data for a domain without managing your own Similarweb API subscription or scraping. Ideal for competitive intelligence, lead enrichment pipelines, due diligence workflows, and audience research where Similarweb's public estimate data is sufficient. Prefer this over direct Similarweb API when cost-per-call billing via x402 is more convenient than a monthly subscription, or when you need a simple REST call in an agentic workflow.
Side effects
- Domain not found or has no Similarweb data (low-traffic or brand-new sites may return empty/null fields)
- Invalid or malformed domain string returns a 400 or validation error
- Stealth proxy rate limit or block by Similarweb returns a 429 or 503
- Data reflects last full calendar month only — real-time or current-day data is not available
- Paid upstream data may lag by several weeks for some metrics
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Tags
x402
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