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api.x402node.dev
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Real-time forex / exchange rates from the European Central Bank (via Frankfurter). Pass from=USD and to=EUR (or batch to=EUR,GBP,JPY,CNY). Returns rates, inverse rates and last-update date. For AI agents needing exchange rate, currency conversion, fx rate and forex data. 实时外汇汇率,支持批量与反向汇率。 Accepts p… summarised by us
What it offers
Capability areas grouped from this host’s own URL structure.
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- api.x402node.dev
Get a Wikipedia article summary by exact title. Returns extract (lead paragraph), description, thumbnail, originalimage, content URLs (desktop/mobile/edit), and
- api.x402node.dev
Historical USD price of a token at a specific past timestamp, by chain and contract address or coingecko id. For backtesting, accounting and cost-basis. Data an
- api.x402node.dev
Relative time formatter, time ago, X minutes ago, in 2 hours, human readable time, fuzzy time, relative datetime, social media timestamps. Format a datetime as
- api.x402node.dev
WCAG contrast ratio calculator, accessibility checker, color contrast, a11y, WCAG 2.1 AA AAA, text contrast, color blindness, readable text color. Calculate WCA
- api.x402node.dev
Decode EVM calldata or a Base tx hash into a readable function call: signature, selector, and decoded typed arguments. Search terms: calldata decoder, ABI decod
- api.x402node.dev
pdf parser, pdf to structured json, pdf page extractor, pdf chunker, pdf RAG indexer, pdf document parser. Extract structured text from any PDF URL with page-le
- api.x402node.dev
Detect wallet cluster: given seed address, trace USDC funding source backwards then find sibling addresses funded by same source within last 30 days. Returns fu
- api.x402node.dev
Current USD price for any ERC20 token aggregated across DEXs and price sources via DefiLlama, with confidence score, on EVM chains. token price, dex price, erc2
- api.x402node.dev
Search Lemmy (federated Reddit alternative, fully open API) posts across instances. Returns title, community, creator, score, comments, url, body, ap_id (Activi
- api.x402node.dev
Estimate the price impact (slippage) of a swap of a given size by comparing Uniswap V3 quotes at minimal vs target size - tells trading agents how much a large
- api.x402node.dev
Detect the largest recent transfers of a token to spot whale accumulation or dumping before price moves - a real-time edge for trading agents that LLMs cannot s
- api.x402node.dev
Detect image format from a URL using magic bytes (works even when extension or content-type lies). Returns format, content-type match flag, file size, dimension
- api.x402node.dev
Text diff, text comparison, diff two strings, line diff, word diff, character diff, file diff, text patch, unified diff format, compare strings, git diff style,
- api.x402node.dev
regex test, test regex, regex tester, test regular expression, regex test online, regex pattern test, regular expression test, pattern matcher, JavaScript regex
- api.x402node.dev
Format any DOI into a styled citation (apa, mla, chicago, ieee, harvard, vancouver). Returns plain-text bibliography string. Use ?doi=10.1038/nature12373 and st
- api.x402node.dev
Fetch the verified ABI of a smart contract with function and event signatures across multiple EVM chains - required for agents to correctly encode contract call
- api.x402node.dev
Live Uniswap V3 pool stats on Ethereum - token pair, fee tier, TVL, total volume, tx count and token prices from the subgraph - real-time DEX liquidity data for
- api.x402node.dev
Markdown to HTML, HTML to Markdown, MD to HTML, markdown renderer, GFM markdown parser, convert md to html, convert html to markdown, markdown converter, html p
- api.x402node.dev
Look up scholarly metadata for any DOI via CrossRef. Returns title, authors, journal, publication date, abstract, citation count, references, license, URL. Use
- api.x402node.dev
Percentage calculator, percent of, percent change, percent increase decrease, what percentage, tip calculator, discount calculator, markup, margin. Compute perc
- api.x402node.dev
cron parser, cron expression parser, parse cron expression, cron parser online, cron schedule parser, crontab parser, cron syntax parser, cron decoder, cron val
- api.x402node.dev
Time series of a token USD price over a recent window, by chain and contract address or coingecko id, at a chosen interval. For charts, trend and volatility ana
- api.x402node.dev
Credit card validator, Luhn algorithm check, card number verification, card type detector, Visa Mastercard Amex Discover Diners JCB UnionPay brand identifier, P
- api.x402node.dev
JWT decoder, JSON Web Token parser, JWT inspector, claims extractor, OAuth token decoder, JWT header parser, JWT payload reader, jwt.io alternative, API token i
- api.x402node.dev
Transaction status by hash and chain from a block explorer behind an API key: receipt success or failure, execution error flag and error description. For confir
- api.x402node.dev
Statistics calculator, mean median mode, standard deviation variance, quartiles, min max range, descriptive statistics, summary statistics, dataset analysis. Co
- api.x402node.dev
Monitor stablecoin peg deviation from $1 across USDT, USDC, DAI and more, flagging depegs in real time - an exit-risk signal for agents holding stables that LLM
- api.x402node.dev
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 d
- api.x402node.dev
Bidirectional ENS + Basename resolution: POST { name } (e.g. vitalik.eth or jesse.base.eth) to resolve its address, or POST { address } to resolve its primary n
- api.x402node.dev
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. F