Extract website contacts API

Read publicly displayed emails, tel: links, address elements, and structured contact data from one public page. Linked pages are not crawled, and missing contacts are not guessed.

The Extract website contacts operation is part of the Web & Page Intelligence API on BRAINIAC.software. Read publicly displayed emails, tel: links, address elements, and structured contact data from one public page. Linked pages are not crawled, and missing contacts are not guessed. It is exposed as POST /api/v1/web-intelligence/website-contact-extract and priced at $0.04 USDC on Base. Payment uses the x402 exact scheme: an unpaid call returns HTTP 402 with payment requirements; after paying the exact USDC amount, retry the same request with a payment-signature header and Idempotency-Key. No account and no API key are required. Data sources for this product: The public http or https URL supplied in the request. A caller-supplied previous Markdown snapshot for change detection. Limitations: Only public http and https URLs on ports 80 and 443 are fetched. Local, private, and link-local addresses are refused, including after redirects and DNS resolution. JavaScript is not executed, so client-rendered text is absent. Login, paywall, and CAPTCHA walls are not bypassed. A null field means the value was not present in the fetched document. Change detection uses the caller-supplied snapshot and does not store it. Sitemap page URLs are listed, not fetched. Outputs are compliance prechecks, drafts, or data lookups for human review. They are not official determinations, legal advice, identity confirmation, or certified filings. Related operations in this group include Convert URL to Markdown, Extract structured page data, Detect page changes, Extract website metadata. Open the group documentation for the full request schema, field notes, and response examples before integrating.

POST$0.04 USDC
/api/v1/web-intelligence/website-contact-extract

Example request

curl -i -X POST "https://www.brainiac.software/api/v1/web-intelligence/website-contact-extract" \
  -H 'content-type: application/json' \
  -H 'Idempotency-Key: <fresh-64-character-random-hex-key>' \
  --data-binary @- <<'JSON'
{
  "url": "https://example.com/"
}
JSON

An unpaid probe returns HTTP 402 with x402 payment requirements. After paying the exact USDC amount on Base, retry the identical request with a payment-signature header.

FAQ

  • Do I need an API key? No. Pay the listed USDC amount with x402.
  • What network? Base (eip155:8453), USDC.
  • Is this an official determination? No. Results are for human review against the cited sources.

Related APIs

Web & Page Intelligence APIFull docsHow it works