the402 x402 endpoint directory

0.002006 USDC on base-sepolia

Uniswap Trading API quote with on-chain oracle price comparison. Drop-in proxy for Uniswap /quote — same request body,

0x API v2 quote with on-chain oracle price comparison. Drop-in proxy for 0x /swap/allowance-holder/quote — same query

Random number generator, random integer, random float, dice roll, lottery numbers, coin flip, cryptographically secure

Email validator, email format check, RFC 5322 validation, email regex, verify email address, MX record check, disposab

Random bytes generator, cryptographic random, CSPRNG, secure random, random token, nonce generator, session key, API s

Morse code encoder/decoder, international Morse, dot-dash, amateur radio, SOS, signal encoding, accessibility, fun tex

URL encoder/decoder, percent encoding, RFC 3986, query string escape, form data, encodeURIComponent, decodeURIComponen

extract keywords, keyword extraction, keyword extractor, find keywords, top keywords, SEO keywords, automatic keyword

Phone number validator: E.164 format check, international phone validation, country code parser, phone number format a

Diceware passphrase generator, multi-word random, memorable secure, xkcd 936 style, random word combinations from cura

Password generator, strong password, random password, secure password generator, crypto-safe password, password maker,

ssl certificate checker, SSL certificate validator, check SSL certificate, SSL certificate expiration, HTTPS certifica

sentiment analysis, text sentiment, analyze sentiment, sentiment API, sentiment classifier, emotion detection, opinion

Traditional to Simplified Chinese, 繁体转简体, 繁简转换, Taiwan to mainland Chinese, BIG5 to GB, OpenCC traditional simplified,

Unit converter, measurement conversion, metric imperial, length weight temperature speed area volume, kilometer to mil

regex test, test regex, regex tester, test regular expression, regex test online, regex pattern test, regular expressi

CSV to JSON, JSON to CSV, csv parser, csv to json converter, json to csv array, tabular data converter, spreadsheet to

hash sha256 generator, SHA256 hash generator, SHA-256 hash, generate SHA256 hash, SHA-1 SHA-256 SHA-384 SHA-512 hash,

Password policy validator, configurable rules, min length, uppercase, lowercase, digit, special, enterprise password p

dns lookup, DNS lookup API, DNS lookup online, lookup DNS records, DNS resolver lookup, nslookup API, DNS query lookup

Hex to HSL converter, hue saturation lightness, HSL color picker, hex to hsl, RGB to HSL, color space conversion, CSS

JSON to YAML, YAML to JSON, yaml parser, json to yaml converter, config file converter, yaml config, json string to ya

Password strength estimator, score 0-4, zxcvbn-style heuristics, crack time, weak password detection. Returns score, f

Relative time formatter, time ago, X minutes ago, in 2 hours, human readable time, fuzzy time, relative datetime, soci

Timezone lookup for a coordinate via timeapi.io. Returns IANA timezone, current local time, UTC offset, DST status. Us

Timestamp converter, unix timestamp to date, ISO 8601 converter, epoch to date, date string to unix, time format conve

extract meta tags from URL, HTML meta tags extractor, extract OG tags, extract Open Graph tags, extract Twitter Card m

UUID generator API, UUID generator, UUIDv4 generator, UUIDv7 generator, random UUID generator, unique ID generator, ba

Text statistics, word count, character count, line counter, text analyzer, reading time estimate, paragraph counter, s

Random color generator, random hex, random RGB, random HSL, color picker, batch colors, pleasant random color, vibrant

extract emails, extract urls, extract phone numbers, extract crypto addresses, extract ethereum addresses, regex extra

QR code generator, QR generator, generate qrcode, text to qr, url to qr code, 2D barcode generator, make qr png, qrcod

Natural language date parser, parse date string, flexible datetime parser, today tomorrow yesterday, relative date key

Look up Gravatar avatar URL + public profile by email. Returns md5/sha256 hashes, sized avatar URLs, default-icon vari

LinkedIn people, companies, posts, job listings, people search.

TikTok profiles, posts, comments, fast-API feeds, search discovery.

Instagram profiles, posts, reels, comments — 8 modes.

YouTube videos, channels, and comments — 10 modes.

Rerank documents against a query with BGE Reranker Base (@cf/baai/bge-reranker-base). POST query plus documents[]; ret

Build an unsigned operator EOA transaction that swaps ETH on the on-chain oracle's dedicated Uniswap V4 pool to create

Convert a weight/mass value between units (kg, g, lb, oz, stone, tonne, and more).

Latest weekly price row for a Stock Trends symbol, including adjusted close, weekly high/low, volume (actual shares tr

Forward geocoding — free-text address or place name → latitude/longitude plus structured address components (houseNumb

Resolve a coordinate to its IANA timezone and return the current UTC offset, local wall time, DST status, and short ab

Latest Stock Trends Inference Model (ST-IM) outputs for a symbol: forward return expectations and statistical distribu

List the official holidays for a country and year, with exact observed dates including substitute days (e.g. a Saturda

Airports within a radius of a coordinate, sorted by distance. Query: lat (-90..90), lon (-180..180), radius_km (1-2000

Convert a value between units of measure: mass (g, kg, mg, lb, oz, t, st), length (m, km, cm, mm, in, ft, yd, mi), vol

Holiday-aware business-day calculator for 200+ countries. Three modes: pass start + addDays (signed integer) to shift