Batch page-meta for 1–10 public URLs in one payment. POST JSON {"urls":["https://example.com"]}. Returns {results:[{url,ok:true,meta}|{url,ok:false,error}]}. Each meta has title, description, canonical, ogImage, language, and a ~500-character excerpt. One URL failing does not fail the batch. $0.15 USDC on Base (eip155:8453). No API key.

Fingerprint a public page so agents can detect changes: final url, etag, lastModified, sha256 contentHash of normalized visible text, raw byteLength, and fetchedAt. POST JSON {"url":"https://example.com"}. Public http(s) only; private hosts blocked. $0.04 USDC on Base (eip155:8453). No API key.

Public-record company profile for a domain: legal name, domain age, registrar, LEI, and social links. Merges homepage Organization JSON-LD, RDAP, GLEIF, and Wikidata. Each filled field names its source. POST JSON {"domain":"coinbase.com"} or {"url":"https://www.coinbase.com"}. Nothing found is HTTP 200 with nulls, not an error. $0.03 USDC on Base (eip155:8453). No API key.

Extract the outbound link graph of a public HTML page: final url, title, unique links as {href, text?}, and count. POST JSON {"url":"https://example.com","maxLinks":50}. Optional maxLinks is an integer 1–50 (default 50). Skips #, javascript, mailto, tel, and data links. Public http(s) only. $0.03 USDC on Base (eip155:8453). No API key.

Extract public HTML page metadata for agents: title, description, canonical URL, Open Graph image, language, and a ~500-character plaintext excerpt. POST JSON {"url":"https://example.com"}. Public http(s) only. $0.002 USDC on Base (eip155:8453). No API key.

Extract the main readable plaintext of a public HTML page: final url, title, text (capped), wordCount, language, and fetchedAt. POST JSON {"url":"https://example.com","maxChars":12000}. Optional maxChars is an integer 1–12000 (default 12000). Public http(s) only; private hosts blocked. $0.05 USDC on Base (eip155:8453). No API key.

Extract schema.org structured data from a public HTML page: JSON-LD (@graph flattened), top-level microdata, and Open Graph / Twitter meta. Normalizes Product/Offer, Article, Organization, Event, FAQ, and breadcrumbs. POST JSON {"url":"https://example.com"}. No structured data is HTTP 200 with empty arrays, not an error. Public http(s) only. $0.01 USDC on Base (eip155:8453). No API key.

Watch one public page for 7 days. Checks hourly. When the content hash changes, POST {watch_id,url,old_fingerprint,new_fingerprint,changed_at} to your https callback (5s timeout, one retry). POST JSON {"url":"https://example.com","callback_url":"https://example.com/hook"}. Returns {watch_id,url,expires,status_url}. Free status is GET /v1/watch/:id and does not show the callback. At 500 active watches, POST returns 503 before payment. $0.10 USDC on Base (eip155:8453). No API key.