api.x402node.dev · 403 listed services · provider site
Detect whether a contract is an upgradeable proxy and resolve its implementation address by reading EIP-1967/1822 storage slots on Ethereum or Base - on-chain state LLMs cannot access. proxy detect, proxy contract, imple...
Convert USD to EUR at live rate. Pass ?amount=100 for value in Euro. 美元兑换欧元换算。米ドルをユーロに換算。Convertir dólar a euro. 달러를 유로로 환전. usd to eur convert. Accepts payment on Base or Solana — either netw...
On-chain Uniswap V3 swap quote for any token pair - estimated output amount, effective rate and best fee tier, read directly from pools across Base/Ethereum/Arbitrum/Optimism/Polygon - real-time executable pricing agents...
Generate consistent avatar URLs for any name/seed via DiceBear (19 styles incl. bottts, avataaars, pixel-art, lorelei) or UI-Avatars (initials). Returns SVG/PNG URLs and available style list. Use ?name=Alice and style=bo...
Unit converter, measurement conversion, metric imperial, length weight temperature speed area volume, kilometer to mile, kg to pound, celsius to fahrenheit, inch to cm, mph to kmh, bytes to gigabytes. Convert between com...
Analyze the short-term base fee trend on Base or Ethereum to advise whether to send a transaction now or wait - a cost-optimization signal for agents that LLMs cannot compute from live blocks. gas forecast, gas trend, sh...
Perpetual premium and basis for a symbol: OKX perp mark price versus the spot index, returning the absolute basis, premium percent and an interpretation of perp positioning. Live data for basis trades, premium monitoring...
Lorem ipsum generator, placeholder text, dummy text, fake text generator, lorem text, filler content, sample text, lipsum, test content for design, mockup text. Generate Lorem ipsum placeholder with custom words, sentenc...
Case converter, camelCase, snake_case, kebab-case, PascalCase, SCREAMING_SNAKE_CASE, CONSTANT_CASE, dot.case, title case, variable naming convention converter, case transform. Convert string between camelCase, snake_case...
Current air quality at a location by latitude and longitude or city: US AQI, PM2.5, PM10, ozone, nitrogen dioxide, carbon monoxide. Live environmental data. air quality, AQI, PM2.5 PM10, pollution, ozone by city Accepts...
Random bytes generator, cryptographic random, CSPRNG, secure random, random token, nonce generator, session key, API secret generator, random hex base64. Generate cryptographically secure random bytes in hex or base64 en...
Check the exact ERC20 allowance an owner has granted to a spender contract, flagging unlimited approvals for revocation, on EVM chains. token allowance, approval check, unlimited approval, revoke allowance, spender allow...
Fetch ENS profile text records for a name: avatar, url, twitter, github, email, description, plus the resolved address. ens records, ens profile, ens avatar, ens twitter lookup, ens text record, ethereum name service met...
Perpetual funding rates for multiple coins in one call with extreme-rate flags signalling crowded positioning or funding arbitrage - real-time derivatives data agents monitor repeatedly, in a single request instead of N....
Find who deployed a contract and in which transaction on Ethereum mainnet - lets agents verify a contract's deployer and origin before trusting it, provenance data LLMs cannot look up. contract creator, who deployed, con...
Trace the first incoming transfer that funded a Base address: funder address, asset, amount, block and time. Pairs with x402 dewash for sybil cluster and burner wallet analysis. wallet funding source, first funder, who f...
Decode EVM calldata or a Base tx hash into a readable function call: signature, selector, and decoded typed arguments. Search terms: calldata decoder, ABI decode, function selector 4byte, transaction decoder, EVM tx deco...
Fetch any URL and return clean text content only (no markdown formatting). Minimal output optimized for token-efficient LLM consumption. Removes ads, navigation, and boilerplate. Accepts payment on Base or Solana — eithe...
Historical forex rate for a specific date (ECB data via Frankfurter). Returns rates for the requested date, going back to 1999. Use ?date=2024-01-15 and from=USD and to=EUR. Built for AI agents doing back-testing, audit,...
cron parser, cron expression parser, parse cron expression, cron parser online, cron schedule parser, crontab parser, cron syntax parser, cron decoder, cron validator, next run calculator, cron to human readable, crontab...
Live USD to SGD exchange rate (US Dollar / Singapore Dollar). Zero-param: GET returns current rate. 美元兑新加坡元实时汇率。米ドル/シンガポールドル 為替レート。Tipo de cambio dólar-dólar de Singapur. 달러 싱가포르 달러...
Search academic papers across 240M+ publications via OpenAlex (free, no API key, no rate-limit issues). Returns papers with title, authors, abstract, year, citation count, DOI, PDF link. Use ?q=YOUR_QUERY and limit=10. B...
Current gas price across Ethereum, Base, Arbitrum, Optimism and Polygon in one call, returns gwei gas price and latest base fee per chain. multichain gas price, gas fee comparison, gwei, l2 gas tracker, cheapest chain fo...
Ethereum mainnet current gas price (gwei) via LlamaRPC eth_gasPrice plus latest block base fee. Use no params. Built for AI agents timing on-chain ops, contract deployment cost estimation, ethereum gas fee estimate Accep...
SSL/TLS certificate inspection: issuer, subject, valid_from, valid_to, days_remaining, SAN list, fingerprint, signature algorithm. Detects expired and expiring certificates. Use ?domain=example.com and port=443, ssl cert...
Live prices for major commodities (gold, silver, WTI and Brent crude, natural gas, copper, platinum) in one call, extending macro coverage beyond crypto. Data an LLM cannot produce. Live macro feed for trading and resear...
Recent daily history for a Uniswap V3 pool on Ethereum by pool address: per-day total value locked, volume and fees in USD, from a subgraph behind an API key. For trend, yield and activity analysis. pool history, daily v...
Onchain ETH, BTC or LINK USD price straight from Chainlink mainnet oracles with round id, update time and the feed address for auditability. token price, eth price usd, btc price oracle, chainlink price feed, onchain pri...
Convert NEAR to USD at live price. Pass ?amount=1 for value in US Dollar. NEAR兑换美元换算。ニアを米ドルに換算。Convertir NEAR a dólar. 니어를 달러로 환전. near to usd, NEAR Protocol convert. Accepts payment on Base or S...
Random color generator, random hex, random RGB, random HSL, color picker, batch colors, pleasant random color, vibrant colors. Generate one or more random colors with optional saturation and lightness constraints. Accept...
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