api.x402node.dev
pdf metadata, pdf info, pdf properties, pdf author, pdf title, pdf creation date, pdf page count, pdf version, pdf creator, pdf producer, pdf document info. Extract PDF metadata only, no body parsing, fast and cheap. Returns title, author, subject, creator, producer, creation and modification dates, page count, PDF version. For AI agents indexing PDF catalogs, file validation, document organization workflows. Accepts payment on Base or Solana — either network works.
$0.005000 USDC
api.x402node.dev
Verified contract metadata by address and chain: contract name, compiler version, optimization, license, and proxy with implementation address, from a block explorer behind an API key. Does not return full source. contract source, verified contract, compiler version, proxy implementation, contract metadata Accepts payment on Base or Solana — either network works.
$0.01 USDC
api.x402node.dev
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 encoding. Accepts payment on Base or Solana — either network works.
$0.002200 USDC
api.x402node.dev
JSON to YAML, YAML to JSON, yaml parser, json to yaml converter, config file converter, yaml config, json string to yaml, convert yaml to json, yml json. Bidirectional convert between JSON and YAML with pretty-print. Accepts payment on Base or Solana — either network works.
$0.002200 USDC
api.x402node.dev
code formatter, prettier, code beautifier, JavaScript formatter, TypeScript formatter, JSON formatter, HTML formatter, CSS formatter, Markdown formatter, YAML formatter. Format code using Prettier. Supports JavaScript, TypeScript, JSON, HTML, CSS, Markdown, YAML, GraphQL. Auto-detects parser if not specified. For AI agents writing or fixing code in pipelines. Accepts payment on Base or Solana — either network works.
$0.003500 USDC
api.x402node.dev
Search Lemmy (federated Reddit alternative, fully open API) posts across instances. Returns title, community, creator, score, comments, url, body, ap_id (ActivityPub federation ID). Use ?q=YOUR_QUERY plus optional and instance=lemmy.world and limit=10. Built for AI agents researching open-source community sentiment with stable scraper-friendly API (Reddit blocks scraping; Lemmy is permissive). Accepts payment on Base or Solana — either network works.
$0.005000 USDC
api.x402node.dev
Get dimensions and format for an image URL. Returns width, height, type (jpeg/png/gif/webp/bmp/tiff/heic/avif), aspect ratio, file size, content-type. Use url param Built for AI agents validating uploads, generating srcsets, planning layouts. Accepts payment on Base or Solana — either network works.
$0.008000 USDC
api.x402node.dev
Bitcoin address balance and stats via blockstream.info (no key). Returns confirmed/unconfirmed sats and BTC, tx count. Use ?address=bc1... or 1.../3.... Built for AI agents tracking BTC wallets and treasury balances. Accepts payment on Base or Solana — either network works.
$0.005000 USDC
api.x402node.dev
HMAC calculator, HMAC-SHA256 SHA512 SHA1 MD5, message authentication code, hash with secret, signed hash, API request signing, webhook signature, JWT signature. Compute HMAC of a message with a secret key using any standard hash algorithm. Accepts payment on Base or Solana — either network works.
$0.008000 USDC
api.x402node.dev
Translate text between languages via MyMemory (free, 50+ languages). Returns translated text and match quality. Use ?q=Hello+world and source=en and target=zh (or auto for source). Built for AI agents handling multilingual content, localization pipelines, and cross-border ops. Accepts payment on Base or Solana — either network works.
$0.008000 USDC
api.x402node.dev
Deep profile of any stablecoin - peg mechanism (fiat/crypto/algorithmic), circulating supply by chain, audit status and mint/redeem rules - risk intelligence agents need before holding that LLMs cannot look up live. stablecoin info, stablecoin reserves, peg mechanism, stablecoin audit, circulating supply, stablecoin risk Accepts payment on Base or Solana — either network works.
$0.006000 USDC
api.x402node.dev
Comprehensive NPM package safety report combining npm registry metadata, OSV vulnerability database, npms.io quality scores, and GitHub repo health. Returns risk_summary (low/medium/high/critical), CVE breakdown by severity, maintainer info, dependency counts, last-commit recency, archival status. Use ?package=react or ?package=react and version=18.2.0. Built for AI code-review agents and supply-chain auditors. Accepts payment on Base or Solana — either network works.
$0.02 USDC
api.x402node.dev
Decode a 4-byte function selector or calldata into human-readable Solidity function signatures via openchain - reverses on-chain selectors that LLMs cannot know. function selector, 4byte decode, sig decode, calldata decode, method id, selector lookup Accepts payment on Base or Solana — either network works.
$0.004000 USDC
api.x402node.dev
Look up Gravatar avatar URL + public profile by email. Returns md5/sha256 hashes, sized avatar URLs, default-icon variants, and profile JSON (display name, location, links, accounts) if it exists. Use ?email=user@example.com. Built for AI agents enriching user data and onboarding. Accepts payment on Base or Solana — either network works.
$0.002200 USDC
api.x402node.dev
Fetch and parse sitemap.xml. Returns up to 500 URLs with lastmod/changefreq/priority. Auto-detects sitemap index. Built for AI agents indexing sites, tracking content changes, and SEO audit. Use url param Accepts payment on Base or Solana — either network works.
$0.008000 USDC
api.x402node.dev
Real-time stock or index quote (price, day high/low, previous close, volume, change) for a ticker, extending coverage beyond crypto into TradFi. Lets an agent fetch equity prices it cannot otherwise access. Live market data. stock quote, equity price, index quote, share price, tradfi Accepts payment on Base or Solana — either network works.
$0.01 USDC
api.x402node.dev
Total supply, name, symbol and decimals for any ERC20 token contract on Ethereum, Base, Arbitrum, Optimism or Polygon. token supply, erc20 total supply, circulating supply, token info, coin supply Accepts payment on Base or Solana — either network works.
$0.004000 USDC
api.x402node.dev
Duration calculator, time difference, elapsed time, days between dates, hours between times, age calculator, how long ago, countdown, time span. Compute the duration between two timestamps with human-readable breakdown (years, months, days, hours, minutes, seconds). Accepts payment on Base or Solana — either network works.
$0.002200 USDC
api.x402node.dev
Historical perpetual funding rates for a coin over recent periods with the latest value, average and trend, built from OKX. Lets an agent see whether funding has been persistently positive or negative rather than a single snapshot. Live time series for funding and carry analysis. funding rate history, funding trend, carry, perp Accepts payment on Base or Solana — either network works.
$0.01 USDC
api.x402node.dev
Max-pain strike for BTC or ETH options at the nearest expiry, computed from Deribit open interest as the price that minimizes total option-holder payout. A decision-grade options gauge an LLM cannot calculate. Live data for expiry positioning and pinning analysis. max pain, options expiry, pin strike, deribit open interest Accepts payment on Base or Solana — either network works.
$0.01 USDC