intel.rallylive.ca x402 offerings

Scholarly paper search for research agents: journal articles, conference papers and preprints from Crossref (150M+ works) and arXiv in one call, deduplicated. Title, authors, year, venue, DOI, citation count, abstract, PDF/full-text links. $0.02 per search.

Newest arXiv preprints on any topic, newest first: title, authors, categories, abstract, PDF link, published date. Track fresh AI, physics, math and CS research daily. $0.02 per search.

Base64 encode/decode with auto-detection: valid base64 input is decoded (UTF-8), anything else is encoded; force with 'encode:' or 'decode:'. Also returns URL-safe base64 and hex. $0.01 per call.

Change watch for certificate sans: runs the check and compares it with the result from your previous call for the same domain (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when subject alternative names of the newest certificate for a domain from certificate-transparency logs changes. $0.02 per check.

Bulk contact email finder: up to 20 domains in one call, processed concurrently, results returned in input order with a per-item error field and a count of failures. Same answer per item as the single /contact-emails endpoint (Find public contact email addresses on a company's homepage). Batch enrichment for agents that hold a list. $0.10 per batch.

Convert webpage to markdown: fetch any URL and return clean Markdown for LLMs and agents, with title, meta description, headings outline, word count, links and images. Navigation, ads, scripts and boilerplate are stripped, keeping the main article content. No API key. $0.01 per page.

Bulk convert webpage to markdown: up to 20 urls in one call, processed concurrently, results returned in input order with a per-item error field and a count of failures. Same answer per item as the single /convert-webpage-to-markdown endpoint (Convert webpage to markdown). Batch enrichment for agents that hold a list. $0.10 per batch.

Change watch for convert webpage to markdown: runs the check and compares it with the result from your previous call for the same url (kept 90 days), returning the current answer, changed true/false, exactly which fields changed with before/after values, and when it was last seen. Call it on a schedule to be told when convert webpage to markdown changes. $0.02 per check.

Crypto price lookup: current USD price of bitcoin, ethereum, solana, USDC and other major coins by name or symbol, with 24-hour change, high, low and volume from Coinbase public market data (CoinGecko fallback). Live cryptocurrency price for agents, no API key. $0.01 per lookup.

Decode JWT: paste a JSON Web Token and get the decoded header, payload claims, human-readable iat/exp/nbf times, expired or not-yet-valid status, seconds until expiry and security warnings such as alg=none. No signature verification, nothing stored. $0.01 per token.

DNS hosting provider detection: who hosts a domain's DNS (Cloudflare, AWS Route 53, Google Cloud DNS, Azure, NS1, GoDaddy, Namecheap, DNSimple, Hurricane Electric, Vercel...) from its nameservers, including multi-provider setups. Infrastructure research and migration planning. $0.01 per domain.

Look up a DOI: full paper metadata (title, authors, journal, volume, issue, pages, year, publisher, funders, subjects), citation and reference counts, abstract, links and a ready APA citation. $0.01 per lookup.

When does this domain expire? Returns the domain expiration date, days until expiry, registration date, registrar and status codes from RDAP (the successor to WHOIS), plus flags for renew-soon (under 30 days) and at-risk (pending delete or redemption). Domain expiry check for portfolio monitoring and drop-catching. $0.01 per domain.

Works that entered the public domain on 1 January 2026 in life-plus-70 countries: catalogued books whose author died in 1955, with free editions linked where available. $0.01 per page of 20.

Works entering the public domain on 1 January 2027 in life-plus-70 countries (UK, EU, Australia, Canada for authors who died after 1971): books in the catalogue whose author died in 1956, with download links where a free edition already exists. Public Domain Day planning for publishers, librarians and agents. $0.01 per page of 20.

AUD to USD exchange rate and conversion: converts an amount of AUD into USD at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. AUD/USD pricing for invoices, checkout and reporting, no API key. $0.01 per call.

CAD to EUR exchange rate and conversion: converts an amount of CAD into EUR at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. CAD/EUR pricing for invoices, checkout and reporting, no API key. $0.01 per call.

CAD to GBP exchange rate and conversion: converts an amount of CAD into GBP at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. CAD/GBP pricing for invoices, checkout and reporting, no API key. $0.01 per call.

CAD to USD exchange rate and conversion: converts an amount of CAD into USD at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. CAD/USD pricing for invoices, checkout and reporting, no API key. $0.01 per call.

CHF to EUR exchange rate and conversion: converts an amount of CHF into EUR at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. CHF/EUR pricing for invoices, checkout and reporting, no API key. $0.01 per call.

EUR to CAD exchange rate and conversion: converts an amount of EUR into CAD at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. EUR/CAD pricing for invoices, checkout and reporting, no API key. $0.01 per call.

EUR to CHF exchange rate and conversion: converts an amount of EUR into CHF at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. EUR/CHF pricing for invoices, checkout and reporting, no API key. $0.01 per call.

EUR to GBP exchange rate and conversion: converts an amount of EUR into GBP at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. EUR/GBP pricing for invoices, checkout and reporting, no API key. $0.01 per call.

EUR to JPY exchange rate and conversion: converts an amount of EUR into JPY at the latest European Central Bank reference rate (frankfurter.app, updated every business day), returning the rate, the converted value and the rate date. EUR/JPY pricing for invoices, checkout and reporting, no API key. $0.01 per call.