# Services from lumenworks-x402-decoder.onrender.com on Zero

> lumenworks-x402-decoder.onrender.com serves 12 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/lumenworks-x402-decoder.onrender.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/lumenworks-x402-decoder.onrender.com/health.json

## Services

- [PubMed Biomedical Literature Search](https://www.zero.xyz/c/pubmed-biomedical-literature-search-25588752/llms.txt): $0.001/call via x402. Search PubMed's 36M+ biomedical citations and return structured metadata including PMID, title, journal, date, authors, DOI, URL, and abstract.
- [Lumen Agent Utilities – URL Unfurl](https://www.zero.xyz/c/lumen-agent-utilities-url-unfurl-a9877433/llms.txt): $0.001/call via x402. 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.
- [Lumen x402 Header Lint & Decoder](https://www.zero.xyz/c/lumen-x402-header-lint-decoder-26259465/llms.txt): $0.002/call via x402. 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.
- [Lumen Domain Intelligence Lookup](https://www.zero.xyz/c/lumen-domain-intelligence-lookup-5cc3a882/llms.txt): $0.002/call via x402. 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.
- [Lumen Agent Utilities – Polymarket Prediction Market Data](https://www.zero.xyz/c/lumen-agent-utilities-polymarket-prediction-market-data-56886d79/llms.txt): $0.001/call via x402. 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.
- [Lumen Weather Forecast](https://www.zero.xyz/c/lumen-weather-forecast-5abec899/llms.txt): $0.001/call via x402. Returns current weather conditions plus up to 16-day daily forecast for any place name or lat/lon coordinates, powered by Open-Meteo
- [Lumen arXiv Preprint Search](https://www.zero.xyz/c/lumen-arxiv-preprint-search-abb7a61d/llms.txt): $0.001/call via x402. Search arXiv preprints by query with full metadata including id, title, abstract, authors, categories, dates, and PDF link
- [Lumen EVM Calldata Decoder](https://www.zero.xyz/c/lumen-evm-calldata-decoder-0d270902/llms.txt): $0.002/call via x402. Decodes raw EVM calldata into function selector, matching signatures from built-in and openchain/4byte databases, and ABI-decoded arguments for each candidate signature
- [Lumen EIP-712 Typed Data Decoder](https://www.zero.xyz/c/lumen-eip-712-typed-data-decoder-c8557ee3/llms.txt): $0.002/call via x402. 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.
- [Lumen EVM Address Lookup](https://www.zero.xyz/c/lumen-evm-address-lookup-f4bae9ae/llms.txt): $0.002/call via x402. 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
- [Lumen Pre-Sign Check](https://www.zero.xyz/c/lumen-pre-sign-check-fa35830b/llms.txt): $0.002/call via x402. 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.
- [Lumen Agent Utilities – Web Page to Markdown](https://www.zero.xyz/c/lumen-agent-utilities-web-page-to-markdown-0d38dc06/llms.txt): $0.001/call via x402. Fetches a URL and returns its content as clean Markdown, along with title, status code, excerpt, metadata, and word count.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)