180 Services from bess-x402.onrender.com

Fetches user reviews for a mobile app from the Apple App Store or Google Play, including ratings, text, developer replies, and aggregate stats.

Computes day-ahead energy arbitrage revenue for a battery storage (BESS) asset in a European bidding zone using a perfect-foresight LP on historical prices, returning annualised revenue per MW, cycle counts, and optional payback period.

Returns current USD price and 24-hour change for up to 20 crypto tokens per call, identified by symbol, CoinGecko ID, or chain:contract address

Returns full vulnerability details for a CVE ID including CVSS score, severity, vector, CWE, CISA Known Exploited status, affected CPEs, and references from NVD with CVE.org fallback.

Returns DEX trading pairs for a token symbol, name, or contract address across all chains, sorted by deepest liquidity first, with price, volume, and market data.

Resolves an ENS name or Basename to its wallet address and profile records, or reverses an address to its primary ENS/Basename.

Returns day-ahead wholesale electricity prices (15-min or hourly) for a European bidding zone, including daily min/max/mean, negative-price slots, and cheapest/priciest N-hour windows.

Returns native and ERC-20 token balances with USD values for a wallet address or ENS name across Ethereum, Base, Arbitrum, Optimism, and Polygon in a single call.

Calculates Black-Scholes price, Greeks (delta, gamma, vega, theta, rho), probability in the money, and breakeven for European call/put options, or solves for implied volatility from a market price.

Returns known security vulnerabilities for an open-source package from OSV, including CVE aliases, severity, and fixed versions, optionally filtered to a specific version.

Fetches any RSS or Atom feed (or a website linking one) and returns clean JSON items with title, link, date, author, summary, categories, and image.

Checks up to 50 crypto wallet addresses against the OFAC SDN list and returns a PASS or BLOCK verdict with the sanctioned party name and program for each address.

Returns long-term monthly solar irradiance, temperature, wind data, and estimated PV system yield/capacity factor for any location on Earth using NASA POWER data (2001–2025).

Performs a heuristic rug-pull and honeypot risk analysis of an ERC-20 token contract, returning a 0-100 risk score with detailed flags for dangerous contract features.

Returns reported financial fundamentals (revenue, earnings, cash flow, balance sheet, margins) for a US-listed company from SEC 10-K/10-Q filings, by ticker or CIK, for annual or quarterly periods.

Retrieves the most recent SEC EDGAR filings for a US-listed company by ticker or CIK, filterable by form type, with filing dates and direct document links

Returns active National Weather Service warnings, watches, and advisories for a US state or geographic point, sorted by severity.

Fetches any public web page and returns its main content as clean Markdown with metadata such as title, author, publish date, and language — with ads, menus, and footers stripped out.

Inspects an EVM address to determine if it's a wallet or contract, its bytecode size, token standard (ERC-20/721/1155), name, symbol, decimals, supply, owner, and proxy implementation.

Returns best DeFi yield opportunities across all chains and protocols, including lending, staking, and liquidity pools with APY, 30-day mean APY, TVL, and risk metadata

Validates an EU VAT number live against the official EU VIES service and returns validity status plus registered company name and address

Searches Polymarket, Kalshi, and Manifold simultaneously for open markets matching a query, returning current probabilities and odds from each platform side by side.

Fetches metadata for a Rust crate from crates.io including version, license, downloads, repository, docs, and minimum Rust version.

Returns real-time and forecast GB electricity carbon intensity (gCO2/kWh) with generation mix and lowest-carbon scheduling slot, nationally or by postcode region.

Find words related to a given word or pattern by relation type (synonyms, antonyms, rhymes, sounds-like, spelling patterns, etc.) ranked with definitions

Returns the next transaction nonce, pending tx count, native balance, contract flag, and EIP-7702 delegate for an EVM address across major chains.

Search the Apple App Store or Google Play by keyword and return up to 50 ranked apps with developer info, ratings, installs, price, and update date.

Returns Deribit options market data for BTC or ETH: open interest, volume, put/call ratios, max-pain strikes, ATM implied volatility per expiry, and the DVOL index.

Returns a comprehensive profile for a cryptocurrency by symbol or CoinGecko ID, including description, links, categories, contract addresses, price metrics, market cap, volume, historical changes, and all-time high/low.

Fetches the latest cryptocurrency news from CoinDesk, Cointelegraph, Decrypt, and The Block in a single unified feed, filterable by keyword or coin symbol.

Look up DeFi protocols by total value locked (TVL), 1d/7d change, market cap, and chain coverage using DefiLlama data, filterable by chain and category.

Fetches recent ERC-20 Transfer events for a token address, wallet address, or both over the last N blocks (up to 5,000) with sender, receiver, and amount.

Returns the largest US federal contracts, grants, or loans matching a keyword or recipient from USAspending.gov, including award amounts, agencies, dates, and NAICS codes.

Returns the official NOAA/NWS 7-day day/night or hourly weather forecast for a US location by latitude and longitude, including temperature, precipitation chance, wind, and text descriptions.

Fetches World Bank development indicators (GDP, population, inflation, CO2, etc.) for any country or region by year range.

Returns the Aave V3 DeFi position for any wallet: collateral, debt, LTV, liquidation threshold, health factor, and how far collateral can fall before liquidation.

Scores a website 0-100 on how prepared it is for AI agent consumption, checking for llms.txt, agent cards, MCP manifests, OpenAPI specs, x402 payments, AI crawler rules, sitemaps, and structured data, with actionable suggestions.

Returns current air quality (US/EU AQI, PM2.5, PM10, ozone, NO2, SO2, CO, dust, UV index) plus hourly forecast for any location by coordinates or place name.

Returns detailed metadata for a mobile app on the Apple App Store or Google Play, including title, developer info, ratings, installs, price, genre, and dates.

Search arXiv preprints by keywords or field-specific query syntax, returning title, authors, abstract, categories, dates, and PDF link sorted by relevance or recency.

Returns AWS EC2 on-demand hourly and monthly prices for Linux or Windows instances across 21 regions, filtered by instance type, family, vCPUs, and memory.

Returns Azure retail pricing for a VM SKU across one or all regions, including Linux/Windows pay-as-you-go, spot, and 1/3-year reserved hourly rates, sorted cheapest region first.

Returns confirmed and pending balance, total received/sent, transaction count, and the latest 10 transactions for a given Bitcoin address.

Returns current Bitcoin network fee rates in sat/vB for multiple urgency tiers (next block, 30 min, 1 hour, economy), plus mempool size, block height, and typical payment cost.

Looks up the status of a Bitcoin transaction by txid, returning confirmation count, block info, fee, fee rate, RBF flag, and inputs/outputs.

Returns blockchains ranked by DeFi total value locked (TVL), including market share, gas token, and chain ID for up to 300 chains.

Search for books by title, author, or ISBN and retrieve rich metadata including authors, publication year, editions, page count, ISBNs, subjects, publishers, languages, rating, and cover image.

Checks up to 20 domain names at once for availability across one or more TLDs, returning registration status, registrar, and expiry via RDAP and DNS.

Decodes raw EVM transaction calldata by resolving the 4-byte function selector and unpacking all arguments into human-readable form.

Returns current policy interest rates for ~40 central banks (Fed, ECB, BoE, BoJ, PBoC, SNB, RBI, etc.) sourced from the BIS, with the date of the latest rate change, sorted highest first, filterable by country or currency code.

Search ClinicalTrials.gov by condition, drug/device, or sponsor to retrieve trial status, phase, enrollment, dates, interventions, and countries.

Look up legal entity information from the GLEIF global LEI register by company name or 20-character LEI code

Fetches raw event logs emitted by an EVM smart contract over a block range, filtered by event signature or topic hash

Reads a raw EVM contract storage slot via eth_getStorageAt and returns the value decoded as hex, uint256, and address.

Returns comprehensive country facts (official name, capital, region, languages, currencies, calling code, borders, area, TLD, coordinates, UN membership, flag) given a country name or ISO-2/ISO-3 code.

Parses a cron expression into plain English and lists its next scheduled run times at any UTC offset

Returns centralized crypto exchanges ranked by trust score or adjusted 24h volume, including name, volume, markets, supported fiat currencies, website, and notices like hacks.

Returns the current Crypto Fear & Greed Index (0–100) plus up to 365 days of daily historical values as a market-sentiment signal.

Returns the BTC or ETH futures term structure from Deribit, including each expiry's price, premium over spot index, annualized basis, and the perpetual's premium.

Returns recent forced liquidations for a coin's USDT perpetual contract on OKX, including time, side, price, size, and summaries of long vs short liquidations.

Returns OHLCV (open, high, low, close, volume) candlestick data for a crypto trading pair from Coinbase Exchange at configurable intervals, oldest first.

Returns daily USD price history (high, low, % change) for any cryptocurrency token over up to 365 days, or its exact price on a specific past date.

Converts a specified amount of any cryptocurrency token into one or more fiat currencies, returning the price per unit and total converted value.

Returns official ECB reference exchange rates for ~35 currencies for today or any historical date since 1999, optionally converting a specific amount from a base currency.

Returns supply and borrow APYs, utilisation, TVL, and max LTV across major DeFi lending protocols (Aave, Compound, Morpho, Spark, Venus) filtered by token, chain, or protocol.

Returns DeFi protocols ranked by largest TVL gains or losses over a chosen time period, with capital flow data, filterable by chain, category, and minimum TVL.

Returns a full English dictionary entry for a word, including IPA pronunciation, audio, parts of speech, definitions with examples, synonyms, and antonyms sourced from Wiktionary.

Fetches DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA) plus SPF and DNSSEC status for any domain via Cloudflare/Google DNS-over-HTTPS

Lints a Dockerfile for security vulnerabilities and best-practice violations, returning scored findings across multiple checks.

Retrieves official RDAP/WHOIS registration data for a domain, including registrar, dates, status codes, nameservers, DNSSEC, and registrant info, plus availability indication for unregistered names.

Returns this week's macroeconomic events (CPI, jobs, GDP, PMIs, central-bank decisions) with UTC time, currency, impact level, forecast, and previous value, filterable by impact and currency.

Validates an email address for syntax, domain/MX records, disposable provider, role address, free provider, and typo detection — without sending mail or probing the mailbox.

Performs a comprehensive email authentication audit of a domain, checking MX, SPF, DMARC, DKIM, MTA-STS, TLS-RPT, and BIMI records, then grades the domain A–F with remediation advice.

Encode or decode text using formats like base64, hex, URL percent-encoding, HTML entities, ROT13, binary, Unicode escapes, and punycode, with auto-detect support.

Returns how much a spender is approved to move from an owner's ERC-20 token balance, including an unlimited-approval flag, for pre-swap checks or approval audits.

Returns raw and decimal-adjusted ERC-20 token balances for a wallet address or ENS name across Ethereum, Base, Arbitrum, Optimism, and Polygon — up to 20 tokens per call.

Fetches on-chain facts for an ERC-20 token contract (name, symbol, decimals, total supply, USD price, FDV) across Ethereum, Base, Arbitrum, Optimism, and Polygon.

Returns latest EU and country-level economic indicators from Eurostat, including HICP inflation, unemployment, GDP growth, consumer confidence, government debt, and 10-year bond yields.

Returns the latest electricity generation breakdown by source (wind, solar, nuclear, gas, coal, hydro, batteries) plus total load, net imports, renewable share, and CO2 intensity for a given European country.

Fetches an EVM block by number or tag (latest, finalized, safe), returning hash, parent, timestamp, miner, gas used/limit, base fee, size, and transaction hashes.

Look up metadata for any EVM-compatible blockchain by chain ID or name, returning chain ID (decimal and hex), native currency, public RPC URLs, block explorers, and testnet flag.

Returns current EIP-1559 gas fees (base fee, priority tiers, max fee in gwei, block utilisation) for Ethereum, Base, Arbitrum, Optimism, or Polygon.

Returns live state of an EVM-compatible network including chain ID, latest block number and age, gas price, base fee, priority fee, block gas usage, and transaction count.

Returns the status, block, confirmations, gas, fees, and token transfers for an EVM transaction hash across Ethereum, Base, Arbitrum, Optimism, and Polygon.

Returns live spot price data (bid, ask, last, 24h OHLCV) for a crypto pair from both Coinbase and Kraken, plus the price gap between the two exchanges.

Returns the official FDA drug label for a medication by brand or generic name, including indications, dosage, warnings, contraindications, adverse reactions, drug interactions, pharmacologic class, manufacturer, and NDC codes.

Returns recent FDA recall and enforcement reports for food, drugs, or medical devices, filterable by keyword, recall class, product type, and time range.

Detects a file's real format from its magic bytes (base64 or hex), returning MIME type, extension, and a mismatch warning if the filename doesn't match.

Looks up detailed food product information (name, brand, ingredients, allergens, Nutri-Score, NOVA group, Eco-Score, nutrients) from an EAN/UPC barcode via Open Food Facts

Search openly licensed (Creative Commons and public domain) images from Flickr, Wikimedia, and museums, returning image URLs, sizes, creator info, license details, and ready-made attribution lines.

Ranks currency pairs by interest-rate differential using central bank policy rates, optionally filtered to a specific funding currency like JPY or CHF.

Estimates gas usage and cost for an EVM transaction (eth_estimateGas) with a 20% safety buffer, and fails clearly if the call would revert.

Converts an address or place name into geographic coordinates (forward geocoding) or converts coordinates into a nearest address (reverse geocoding) using OpenStreetMap data.

Returns hourly GPU rental prices on RunPod (secure and community cloud, on-demand and spot) for major GPUs like H100, H200, B200, A100, L40S, RTX 4090/5090, sorted cheapest first.

Fetches Hacker News stories by keyword search (sorted by relevance or date) or the current front page, returning title, link, points, comment count, author, timestamp, and discussion URL.

Computes MD5, SHA-1, SHA-256, SHA-512, SHA3-256, Keccak-256, BLAKE2b, and CRC32 hashes plus base64 and hex encodings of any text or binary input in a single call.

Fetches HTTP response headers with the full redirect chain and assigns a security grade (A–F) based on HSTS, CSP, X-Frame-Options, and other security headers.

Search and discover Hugging Face AI models by name or task type, sortable by trending, downloads, likes, or newest, with license info and links.

Fetches a Hyperliquid wallet's open perpetual positions, margin summary, and spot balances including PnL, leverage, and liquidation prices.

Validates an IBAN number for correct country code, length, ISO 13616 checksum, bank code, and BBAN structure, returning a reason when invalid.

Returns recent SEC Form 4 insider transaction filings for a US-listed company, including insider name/role, transaction type, shares, price, value, and post-trade holdings.

Returns ownership, network, geolocation, and reverse DNS data for any IPv4/IPv6 address or hostname.

Validate, pretty-print, minify, sort keys, list all paths, show shape, or extract a value from JSON text by JSONPath expression

Decodes a JSON Web Token (without verification) to extract header, algorithm, payload claims, issued-at/expiry times, and expiration status.

Search Kalshi's US-regulated prediction exchange for open markets on economic, political, weather, and sports events, returning probabilities, bid/ask prices, volume, and close times.

Check CVEs against CISA's Known Exploited Vulnerabilities catalog or search by vendor/product, with date added, remediation due date, ransomware use, and required action.

Returns real-time KRW prices for a cryptocurrency on Upbit and Bithumb exchanges, including 24h change, high/low, volume, and the kimchi premium versus the global USD price.

Expands short or tracking URLs hop-by-hop, returning every redirect in the chain, the final destination URL, and a cleaned URL with tracking parameters stripped — without fetching the final page.

Returns pricing data (input/output cost per million tokens, context length) for 400+ LLMs from OpenAI, Anthropic, Google, DeepSeek, Llama, Qwen, and more, searchable by name and sortable by price or context.

Calculates periodic payment, total interest, payoff date, and amortization schedule for any loan or mortgage, including the effect of extra principal payments.

Returns the latest daily close prices and 1-day/1-week/1-month changes for major US equities indices, volatility, Treasury yields, FX rates, and commodities.

Search Manifold Markets play-money prediction market for open questions with crowd-sourced probability, trading volume, bettor count, and close date

Resolves and returns structured metadata (name, description, image, traits) for any ERC-721 or ERC-1155 NFT token on major EVM chains.

Returns the current owner address of an ERC-721 NFT given its contract address and token ID, on EVM-compatible chains.

Fetches metadata for an npm package including version, description, license, dependencies, TypeScript types, size, publish dates, deprecation status, and weekly downloads.

Screen a person or company name against the US Treasury OFAC SDN list with fuzzy matching, returning match score, entity type, sanctions programs, and remarks.

Returns spot order book data for OKX, Gate, or Kraken including best bid/ask, spread in bps, USD depth at 0.5%/1%/2%, and average fill price/slippage for a given USD order size.

Extracts all hyperlinks from a web page, categorized as internal or external, with anchor text, nofollow flags, and top external domains.

Returns pending block statistics for EVM chains including transaction count, priority-fee and gas-price percentiles, most-called contracts, and largest native transfers to help price gas.

Returns annualized perpetual funding rates and open interest for a coin across OKX, Bitget, Gate, Kraken Futures, and Hyperliquid, plus the widest long/short funding spread.

Returns hourly funding rates, APR, open interest, 24h volume, mark/oracle prices, and max leverage for perpetual futures on Hyperliquid, sortable by OI, funding, or volume.

Fetches a Polymarket prediction market's question, outcome probabilities, best bid/ask, order book depth, volume, liquidity, and 1-day change by slug, ID, or URL.

Search Polymarket prediction markets by keyword and retrieve live outcome probabilities, bid/ask spreads, volume, liquidity, and links for matching events.

Returns the most active open Polymarket prediction market events ranked by volume or liquidity, with live probabilities per market, optionally filtered by topic tag.

Returns Polymarket's top traders ranked by profit or volume for a given time period, optionally filtered by category, with wallet addresses.

Returns open positions, latest trades, and portfolio totals for a given Polymarket proxy wallet address.

Returns crypto protocols ranked by fees paid by users or revenue kept over 24h, 7d, and 30d periods, for all chains or a specific chain.

Detects and decodes upgradeable proxy patterns on EVM chains, returning implementation, admin, and beacon addresses for a given contract.

Returns public holidays for 150+ countries and their subdivisions, or stock-market holidays (NYSE, ECB TARGET), for any year; also checks whether a specific date is a holiday or business day and returns the next business day.

Fetches metadata for a PyPI Python package including version, license, dependencies, release date, project links, and download stats.

Generates a QR code for any text, URL, wallet address, or payment link as SVG or PNG, returned inline as SVG markup and a base64 data URI

Call any read-only EVM smart contract function by providing its signature with return types and arguments, returning decoded on-chain values without needing an ABI file.

Returns recent earthquake data worldwide or within a radius of a point, including magnitude, location, time, depth, tsunami flag, PAGER alert, and felt reports.

Search published academic research papers and articles across all publishers via Crossref, returning title, authors, journal, year, DOI, citation count, and abstract.

Fetches a domain's robots.txt crawl rules (including AI crawler blocking status) and sitemap URLs in a single call.

Full-text search across all SEC filings since 2001 by keyword or exact phrase, filterable by form type and date range.

Ranks all SEC XBRL filers by a single reported financial metric (revenue, net income, EPS, assets, etc.) for a given annual or quarterly period, enabling market-wide screens and league tables.

Generates cryptographically secure random values including UUIDs, passwords, hex/URL-safe tokens, integers, dice rolls, and coin flips — up to 100 at once.

Returns SOL and SPL token balances (including Token-2022) for a Solana wallet address, with USD values and a total portfolio value.

Retrieves TLS/SSL certificate details for a domain, including validity, issuer, expiry, SANs, TLS version, and cipher suite.

Discovers subdomains of a given domain by querying public Certificate Transparency logs (crt.sh), returning first-seen and validity dates.

Returns sunrise, sunset, solar noon, day length, sun elevation, moonrise, moonset, moon phase, and illumination for any location and date.

Compares two texts line by line, returning a unified diff, added/removed/changed lines, and line and character similarity metrics.

Analyzes English text to return a positive/negative/neutral label, compound sentiment score (-1 to 1), word shares, and optionally per-sentence scores with most positive and negative lines.

Analyzes a text string and returns word count, sentence count, character count, reading/speaking time, readability scores (Flesch, Flesch-Kincaid, Gunning Fog), lexical diversity, and top keywords.

Converts a date-time (or the current moment) from one time zone to multiple target time zones, returning local time, UTC offset, abbreviation, DST flag, and weekday for each.

Counts tokens in a text and estimates the cost of an LLM call (input + expected output tokens) across popular models, including context window fit checks.

Returns the total supply, name, symbol, and decimals of an ERC-20 or ERC-721 token contract by reading on-chain data.

Returns the top cryptocurrencies ranked by market cap (up to 250) with price, percentage changes, volume, all-time high, and supply data, optionally filtered by CoinGecko category.

Fetches the mined EVM transaction receipt including success/revert status, gas used, effective gas price, fees (including L2 L1 fee), contract creation address, and decoded event logs (Transfer and Approval).

Returns the most-searched crypto coins on CoinGecko in the last 24 hours, with price, 24h change, market cap, volume, and trending categories.

Returns trending or newly launched DEX pools across Base, Solana, Ethereum, BSC, and more with token price, FDV, liquidity, volume, price changes, and buy/sell counts.

Returns the spot price of a token pair read directly from the deepest Uniswap v3 pool on Ethereum, Base, Arbitrum, Optimism, or Polygon, including price, inverse, fee tier, tick, and liquidity.

Converts a numeric value from one unit to another across length, area, volume, mass, energy, power, pressure, temperature, speed, data size, time, and compound units.

Look up universities worldwide by name and/or country, returning official websites and email domains.

Fetches link-preview metadata (title, description, Open Graph image, Twitter card, favicon, canonical URL, publish date, RSS feeds, etc.) for any web page URL.

Geocodes a US street address using the Census Bureau geocoder, returning standardized address, lat/lon coordinates, ZIP, county, census tract and block, city, metro area, and congressional district with FIPS/GEOIDs.

Returns live US airport disruptions from the FAA including closures, ground stops, ground delay programs, and arrival/departure delays with reasons, average/max delay times, and expected end times.

Look up FDIC-insured US banks by name, state, or certificate number to retrieve financial metrics, regulatory details, and operational status.

Returns SEC-sourced profile data for a US-listed company including legal name, tickers, exchanges, SIC industry, state of incorporation, fiscal year end, address, website, former names, filer category, and links to latest 10-K and 10-Q filings.

Search for US-listed companies by name or ticker symbol, returning ticker, SEC registrant name, and CIK ranked by relevance.

Retrieves any FRED economic time series — CPI, unemployment, GDP, fed funds, Treasury yields, and more — returning the latest value, change, 1-year % change, and historical observations.

Search US Federal Register documents (rules, proposed rules, notices, presidential documents) by keyword, agency, and date range

Returns the US Treasury par yield curve (1-month to 30-year maturities) with spreads, inversion flag, and up to 60 days of history for any date since 1990.

Returns US NHTSA safety recall data for a specific vehicle make, model, and year including campaign details, affected components, consequences, and remedies.

Returns the ABI and readable function/event signatures of a verified smart contract from Sourcify, along with contract name, compiler, licence, proxy implementation, and deployer address.

Decodes a 17-character vehicle VIN into make, model, year, trim, engine, fuel, drivetrain, transmission, safety equipment, and plant details using NHTSA vPIC data.

Retrieves Internet Archive Wayback Machine snapshots of a URL: the capture closest to a given date, plus the first and most recent captures, with direct archive links.

Returns current weather conditions and a daily forecast of up to 9 days for any city, address, or coordinates, sourced from the Norwegian Meteorological Institute.

Extracts emails, phone numbers, social media profiles, address, and name from a company's website by scanning its home, contact, about, and imprint pages.

Detect CMS, frameworks, CDN, analytics, payment, and chat technologies used by any website from its headers and HTML

Returns the largest recent ERC-20 token transfers (whale alerts) on EVM chains, including sender, receiver, amount, and mint/burn flag.

Returns the lead summary of the best-matching Wikipedia article for a given topic, including title, short description, summary paragraph, image, coordinates, Wikidata ID, and article link, in any language edition.

Searches the x402 Bazaar for pay-per-call APIs matching a task description, ranked by real 30-day payer activity, with URL, price, network, and description.

Returns a single-call summary of the total crypto market cap, 24h volume, Bitcoin dominance, 24h change, and distance from all-time high.

Detects the language of a given text from 55 possible languages, returning per-language probabilities and a reliability flag.

Returns place names, state/region, and coordinates for a given postal or ZIP code in about 60 countries.

Returns 24h/7d/30d decentralized exchange trading volumes for the total market and top DEXs (Uniswap, Aerodrome, Raydium, etc.), optionally filtered by chain.

Returns stablecoins ranked by circulating supply with 1-day, 7-day, and 30-day supply changes, peg price, mechanism, and main chains, plus total USD stablecoin market supply.

Returns the server's UTC time and echoes an optional message, serving as a minimal paid endpoint to validate x402 payment flow end-to-end.