dt0ur.online

Find the best DeFi yields across 500+ protocols and all major chains: filter by token (USDC, ETH...), chain, protocol, stablecoin-only and minimum TVL; returns APY (base + reward), 30-day mean APY, 7-day change, TVL, impermanent-loss risk and outlook. Sort by APY or TVL.

Parses ANSI X12 and UN/EDIFACT EDI documents into structured JSON, CSV, cXML, or a rendered Typst PDF invoice. $0.01 per document in any output format; payloads ≥10MB are metered up to $0.05 — see the 402 challenge’s `accepts[].maxAmountRequired` for the exact amount.

Historical OHLCV candlestick data (open, high, low, close, volume) for any Coinbase spot pair such as BTC-USD or ETH-USD, at 1m, 5m, 15m, 1h, 6h or 1d intervals, up to 300 candles, oldest first.

Find DEX liquidity pools for a token contract address or search term (symbol/name) across Ethereum, Base, Solana, Arbitrum, BSC and more: price, USD liquidity, 24h volume and buy/sell counts, 1h/24h price change, FDV and market cap, sorted by liquidity.

Returns official public holidays for a given country and year.

Returns a random trivia question with multiple-choice answers, optionally filtered by difficulty.

Finds words that rhyme with, mean similarly to, or sound like a given word.

Perpetual futures funding rates (hourly and annualized APR), open interest in USD, mark vs oracle price, premium, 24h volume and price change for every Hyperliquid perp. Filter by coin or rank by open interest, volume, or highest/lowest funding to spot crowded trades.

Live order book for a Coinbase spot pair: best bid/ask, mid price, spread in bps, USD liquidity within 1% of mid on each side, and the top bid/ask levels (up to 50). Useful for slippage and execution checks.

Live USD prices and 24h % change for up to 25 crypto tokens per call: by ticker (BTC, ETH, SOL, USDC...), CoinGecko id, or chain:address for any token on Ethereum, Base, Arbitrum, Optimism, Polygon, BSC, Solana and more.

24-hour ticker stats for a Coinbase spot pair: last price, open, high, low, % change, base and USD volume, 30-day volume, and current bid/ask.

DeFi total value locked (TVL): look up one protocol (e.g. aave-v3, uniswap-v3) for TVL, per-chain breakdown and 1d/7d change, or rank the top protocols overall, on a chain (Base, Ethereum, Solana...) or in a category (Lending, Dexs, Liquid Staking...).

Returns NASA's daily featured space image or video with an explanatory caption.

Check an ERC-20 token approval on base, ethereum, arbitrum, optimism, polygon, bsc: how much a spender (router, Permit2, contract) may move from an owner's wallet, whether the approval is unlimited, and whether it covers the owner's full balance.

Wallet balance lookup for any address on base, ethereum, arbitrum, optimism, polygon, bsc: native coin plus ERC-20 token balances (USDC, USDT, WETH, DAI, cbBTC or any tokens you pass) with live USD prices and total portfolio value, in one call.

Classify any address on base, ethereum, arbitrum, optimism, polygon, bsc: wallet (EOA, incl. EIP-7702 delegation) or contract, bytecode size, upgradeable proxy and implementation (EIP-1967, beacon, EIP-1167 clones), token standard (ERC-20/721/1155), Safe multisig threshold and owners, and Ownable owner.

Resolve an ENS .eth name to its address (plus avatar, url and twitter records), or an address to its verified primary ENS name. Reads Ethereum mainnet via the ENS Universal Resolver.

Live gas prices across base, ethereum, arbitrum, optimism, polygon, bsc, sorted cheapest first: base fee and gas price in gwei, plus the USD cost of a native transfer and of an ERC-20 transfer on each chain, so an agent can pick where to transact.

Solana wallet balance lookup: SOL plus every SPL and Token-2022 token held (mint, symbol, amount), with live USD prices and total portfolio value.

ERC-20 token lookup by contract address on base, ethereum, arbitrum, optimism, polygon, bsc: name, symbol, decimals, total supply, live USD price, fully diluted value, and whether the token is an upgradeable proxy (EIP-1967/EIP-1167, with implementation address).

Look up a transaction by hash on base, ethereum, arbitrum, optimism, polygon, bsc: status (success/reverted/pending), block and timestamp, from/to, value, gas used, fee in native coin and USD, method selector, created contract, and decoded ERC-20 transfers with token symbols and amounts. Transaction and receipt in one call.

Computes the Levenshtein edit distance and a similarity percentage between two strings.

Computes a SHA-256, SHA-512, or MD5 hash digest of provided text.

Generates placeholder Lorem Ipsum text with a given number of paragraphs and sentences per paragraph.

Validates a credit card or IMEI number against the Luhn checksum algorithm.

Generates a cryptographically random password or token of a given length.

Generates a QR code for provided text as SVG markup or a base64 PNG data URI.

Computes word/character/sentence counts, estimated reading time, and an approximate Flesch-Kincaid grade level for provided text.

Generates one or more cryptographically random UUID v4 identifiers.

Locks buyer funds in a programmatic micro-escrow awaiting provider execution and cryptographic schema verification before release.

Resolves IPv4/IPv6 addresses to geographic coordinates, country, ISP, autonomous system number (ASN), and timezone.

Delivers real-time trending technology articles, developer discussions, and venture announcements directly from HackerNews.

Profile any wallet in one call: ENS name, account type (wallet, EIP-7702 delegated, or contract), native and major-token balances with USD value on base, ethereum, arbitrum, optimism, polygon, bsc (plus an optional Solana address), transactions sent per chain, top holdings, total portfolio value and an activity tier.

Encodes text to Base64 or decodes a Base64 string back to text.

Converts text between camelCase, snake_case, kebab-case, PascalCase, Title Case, and URL slugs.

Converts a color between HEX, RGB, and HSL, and optionally computes the WCAG contrast ratio against a second color.

Translates a cron expression into a human-readable description and computes its next scheduled run times.

Decodes a JWT's header and payload for inspection. Does NOT verify the signature — for debugging/inspection only, never trust the output as authenticated.