12 Services from lumenworks-x402-decoder.onrender.com

Search PubMed's 36M+ biomedical citations and return structured metadata including PMID, title, journal, date, authors, DOI, URL, and abstract.

Follows redirects on a URL and returns the final destination's HTTP status, page title, description, OpenGraph/Twitter metadata, favicon, canonical URL, language, and other rich link-preview data.

Decodes and lints x402 PAYMENT-REQUIRED, PAYMENT-SIGNATURE, or PAYMENT-RESPONSE headers (base64 or JSON), returning the header kind, decoded object, and any errors or warnings about CAIP-2, checksum, EIP-712 domain, or expiry.

Performs comprehensive domain intelligence: DNS records (A/AAAA/CNAME/MX/NS/TXT/CAA), SPF/DMARC email security posture, RDAP registration data, domain age, and resolution status — useful for phishing detection, fraud checks, and lead qualification.

Fetches read-only Polymarket prediction market data, either by keyword search or top markets ranked by 24-hour trading volume, returning questions, outcome probabilities, volume, liquidity, and end dates.

Returns current weather conditions plus up to 16-day daily forecast for any place name or lat/lon coordinates, powered by Open-Meteo

Search arXiv preprints by query with full metadata including id, title, abstract, authors, categories, dates, and PDF link

Decodes raw EVM calldata into function selector, matching signatures from built-in and openchain/4byte databases, and ABI-decoded arguments for each candidate signature

Decodes EIP-712 typed data into its domain separator, signing digest, message fields, and plain-language risk notes covering Permit, Permit2, EIP-3009, and unlimited-value patterns.

Look up an EVM address or ENS name on Ethereum and Base: resolves ENS forward/reverse/text records, detects EOA vs contract (EIP-7702), returns native ETH balance, tx count, USDC/USDT balances

Analyzes an EVM transaction or EIP-712 message before signing and returns a human-readable summary, risk flags, and a verdict on whether it is safe to sign.

Fetches a URL and returns its content as clean Markdown, along with title, status code, excerpt, metadata, and word count.