Foundry
minty-sprout.onrender.com · 106 paid endpoints · listed 2026-10-31
Base transaction explained from the chain: success or reverted, block and time, from, to, ETH value, method selector, gas used and fee, contract created, and every ERC-20 transfer decoded with token symbol and amount. Input: 0x transaction hash. Deterministic, no LLM.
livelast check 15 h ago
100%valid x402 answers, 72 h
$0.264USDC received on Base, 7 days
3distinct payers, 7 days
54.8score (0-100)
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| POST | minty-sprout.onrender.com/v1/age-calculator Age calculator: age in years and days, next birthday and days until it. Input: a birth date 'YYYY-MM-DD'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/arxiv-search arXiv paper search: top 5 papers with authors, date, link and abstract. Input: search words. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/barcode-validate Barcode validator: EAN-8, UPC-A, EAN-13 and GTIN-14 check digits. Input: barcode digits. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/base-address-info Base address lookup from the chain: wallet (EOA) or contract, bytecode size, ETH balance, USDC balance and number of transactions sent. Useful before sending fu | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/base-gas Current Base mainnet gas: latest block, base fee and priority fee in gwei, a suggested max fee, and the ETH cost of a typical USDC transfer. Input: any text, e. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/base-token-info ERC-20 token info on Base mainnet from the chain: name, symbol, decimals, total supply, and whether the address is a contract at all. Input: 0x token address. D | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/base64 Base64 encoder and decoder, standard and URL-safe. Input: 'encode: text' or 'decode: aGVsbG8='. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/basename-resolve Basename resolver: a .base.eth name to its Base address. Input: 'jesse.base.eth'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/bible-verse Bible verse lookup (King James Version, public domain): text for a reference. Input: 'John 3:16'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/bmi BMI calculator: body mass index and WHO category from weight and height. Input: 'weight kg, height cm'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/business-days Business days between two dates: weekdays, weekend days and calendar days. Input: '2026-11-01 2026-11-30'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/calendar Calendar: the days of any month laid out by week, with month length and first weekday. Input: 'YYYY-MM'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/card-validate Credit card number validator: Luhn checksum and card brand (Visa, Mastercard, Amex...). Format check only, never stored. Input: a card number. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/chain-id EVM chain lookup: chain ID, name, native currency, public RPCs and explorers. Input: a chain ID or name. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/color-convert Color converter: hex, RGB and HSL, luminance, contrast against white and black, best text color. Input: '#1e90ff'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/country-code Country code lookup: ISO 3166 alpha-2, alpha-3 and numeric codes, official name, calling code and flag. Input: a country name or code. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/crypto-news Crypto news: the latest headlines with links from CoinDesk, Cointelegraph, Decrypt and Bitcoin Magazine, optionally filtered by keyword. Input: a keyword or 'la | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/crypto-price Crypto price in USD for up to 20 coins (BTC, ETH, SOL...) or tokens by chain:address, from DefiLlama. Input: 'BTC,ETH'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/currency-code Currency code lookup: ISO 4217 code, name and numeric code. Input: a code like 'PKR' or a currency name. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/date-difference Date difference: days, weeks, months and years between two dates. Input: '2026-01-01 2026-12-25'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/defi-tvl DeFi TVL from DefiLlama: total value locked for a chain or protocol, or the top chains. Input: 'Base', 'aave' or 'top'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/defi-yields DeFi yields: highest-APY pools with over $1M TVL, filtered by chain and token. Data only. Input: 'usdc base'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/dev-joke Programming joke: one short, safe-for-work developer joke per call. Input: any text. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/dictionary English dictionary: definitions, part of speech, phonetics and synonyms for a word. Input: a word. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/dmarc-check DMARC record checker: policy, subdomain policy, percentage and report addresses for a domain. Input: a domain. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/dns-lookup DNS lookup: A, AAAA, MX, TXT, NS, CNAME, SOA or CAA records for a domain, via DNS-over-HTTPS. Input: 'example.com MX'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/dns-propagation DNS propagation check: compares answers from Cloudflare and Google resolvers. Input: 'example.com A'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/domain-availability Domain availability check via RDAP: is a domain registered or free. Input: a domain. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/earthquakes Recent earthquakes from USGS: magnitude, place, time and depth. Input: 'day', 'week' or 'significant'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/email-validate Email validation: syntax, MX records, disposable domain and role account checks. Input: an email address. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/emoji-search Emoji search: find emoji by keyword, with names and codepoints. Input: a word, e.g. 'rocket'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/ens-resolve ENS resolver: name to Ethereum address, or address to primary ENS name. Input: 'vitalik.eth' or a 0x address. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/favicon Favicon finder: a site's favicon and icon URLs. Input: a URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/fear-greed Crypto Fear and Greed Index: today's value and the last 7 days. Input: any text. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/fx-rate Currency exchange rates from the European Central Bank: convert an amount or list rates. Input: '100 USD to EUR'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/gravatar Gravatar lookup: whether an email has a Gravatar, with avatar and profile URLs. Input: an email address. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/hacker-news-top Hacker News top stories right now: title, link, points and comments. Input: how many, 1 to 10. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/hash Hash generator: md5, sha1, sha256, sha512, sha3-256, blake2b and keccak256 of a text. Input: any text. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/html-to-markdown Web page to Markdown: the readable content of a URL as clean Markdown with links. Input: a URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/http-status HTTP status check: is a URL up, its status code, redirect chain, latency and server. Input: a URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/iban-validate IBAN validator: checksum (mod 97), country length check and formatted IBAN. Input: an IBAN. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/image-info Image info and EXIF: format, dimensions, colour mode, size and camera metadata of an image URL. Input: an image URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/ip-info IP address info: public or private, reverse DNS, ASN, network name, prefix and country. Input: an IPv4 or IPv6 address. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/isbn-lookup Book lookup by ISBN: title, authors, publisher, date and pages from Open Library. Input: an ISBN. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/json-format JSON validator and formatter: checks JSON, reports the error line and column, returns pretty and minified forms. Input: JSON text. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/jwt-decode JWT decoder: header, payload, issued and expiry times, and whether it has expired (signature not verified). Input: a JWT. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/language-detect Language detection: the language of a text with confidence and alternatives. Input: any text. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/loan-calculator Loan and mortgage calculator: monthly payment, total paid and total interest. Input: 'amount, rate %, years'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/lorem-ipsum Lorem ipsum placeholder text: 1 to 10 paragraphs. Input: number of paragraphs. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/math-eval Math calculator: safely evaluates an expression with + - * / % ^, parentheses, pi, e and functions like sqrt, sin, log. Input: '2^10 + sqrt(16)'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/morse-code Morse code translator: text to Morse and Morse to text. Input: text, or dots and dashes. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/name-generator Random name generator: fictional names, usernames and example.com emails for test data. Input: how many, 1 to 20. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/npm-package npm package info: latest version, license, dependencies count and weekly downloads. Input: a package name. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/number-to-words Number to words: spells out numbers in English, with a cheque-style amount. Input: '1234.50'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/password-generate Password generator: a strong random password (8 to 128 characters) with its entropy. Input: length, e.g. '24'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/pdf-text PDF text extractor: page count, title, author and text of the first 20 pages of a PDF URL. Input: a PDF URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/percentage Percentage calculator: X% of Y, X is what percent of Y, and percent change. Input: '15% of 200' or 'from 80 to 100'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/phone-validate Phone number validator: validity, E.164 and international format, type, region, carrier and timezone. Input: '+44 20 7946 0958'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/postal-code Zip and postal code lookup: place names, state and coordinates for 60+ countries. Input: 'US 90210' or 'DE 10115'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/public-holidays Public holidays for a country and year, with the next upcoming one. Input: country code and year, e.g. 'US 2026'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/pypi-package PyPI package info: latest version, license, Python requirement and recent downloads. Input: a package name. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/qr-code QR code generator: PNG data URI and SVG for any text or URL. Input: the text or URL to encode. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/quote Quote: a short public-domain quote with its author (Franklin, Seneca, Curie, Newton...). Input: a topic word or 'any'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/random-number Random numbers from a secure RNG: integers in a range, dice like 2d6, or a coin flip. Input: '1 100', '1 100 5', '2d6' or 'coin'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/readability Readability: the main text of a web page with word count, reading time and Flesch reading ease. Input: a URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/robots-txt robots.txt checker: whether GPTBot, ClaudeBot, CCBot and other AI crawlers may crawl a site, plus sitemaps. Input: a domain or URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/roman-numeral Roman numeral converter: numbers to Roman numerals and back (1 to 3999). Input: '2026' or 'MMXXVI'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/rss-feed RSS and Atom feed reader: latest items with titles, links and dates. Input: a feed URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/sitemap Sitemap parser: URLs, child sitemaps and last-modified dates from a site's sitemap.xml. Input: a domain or sitemap URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/slugify Slug generator: turns any text into a clean URL slug. Input: a title. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/spf-check SPF record checker: the SPF record, includes, DNS lookup count and all-mechanism policy for a domain. Input: a domain. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/ssl-cert SSL certificate check: validity, issuer, expiry date and days left, SANs and TLS version. Input: a domain. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/stablecoins Stablecoin market data: circulating supply, peg and price for the largest stablecoins. Input: a symbol like 'USDC' or 'top'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/sunrise-sunset Sunrise and sunset times in UTC for a location and date, with day length. Input: 'lat,lon' or 'lat,lon,YYYY-MM-DD'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/tech-stack Website tech stack detector: frameworks, CMS, analytics, CDN and server behind a site. Input: a URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/time-now Current time in any timezone: ISO time, unix timestamp, UTC offset, weekday. Input: IANA timezone, e.g. 'Europe/London'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/timezone-convert Timezone converter: convert a date and time between IANA timezones. Input: '2026-11-01 09:00 Europe/London to Asia/Karachi'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/token-list Token list: verified token addresses and decimals on Base, Ethereum, Arbitrum and more (Uniswap list). Input: 'base usdc'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/trivia Trivia questions with answers and options from the Open Trivia Database. Input: how many, 1 to 10. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/unicode-info Unicode character info: codepoint, official name, category, UTF-8 bytes and HTML entity. Input: characters or 'U+1F680'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/unit-convert Unit converter: length, mass, volume, temperature, time, data size, speed, area, energy, pressure. Input: '10 km to mi'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/user-agent User agent parser: browser and version, OS, device type, and whether it is a bot or AI crawler. Input: a User-Agent string. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/uuid UUID generator: 1 to 50 random UUIDs, version 4 or time-ordered version 7. Input: '5' or 'v7 3'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/vin-decode VIN decoder: make, model, year, trim, body, engine and plant from a vehicle identification number (NHTSA). Input: a 17-character VIN. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/weather Weather now and the next hours for any location: temperature, wind, humidity, conditions (MET Norway). Input: 'lat,lon'. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/website-metadata Website metadata: title, description, Open Graph image, canonical URL, favicon and language of a page. Input: a URL. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/whois Domain WHOIS via RDAP: registrar, creation and expiry dates, status and nameservers. Input: a domain. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/wikipedia-summary Wikipedia summary: the lead extract and link for a topic. Input: a topic or article title. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/word-count Word count and text statistics: words, characters, sentences, paragraphs, reading time, top words. Input: any text. | $0.001 | Base |
| POST | minty-sprout.onrender.com/v1/base-tx-explain Base transaction explained from the chain: success or reverted, block and time, from, to, ETH value, method selector, gas used and fee, contract created, and ev | $0.002 | Base |
| POST | minty-sprout.onrender.com/v1/erc20-balance ERC-20 token balance for any wallet on Base, Ethereum, Arbitrum, Optimism or Polygon (USDC, USDT, DAI, WETH or any address), plus native balance. Input: 'wallet | $0.002 | Base |
| POST | minty-sprout.onrender.com/v1/sentiment Sentiment analysis: positive, negative, neutral or mixed, with a score from -1 to 1. Input: any text. | $0.002 | Base |
| POST | minty-sprout.onrender.com/v1/treasury-yields US Treasury yields: the latest daily par yield curve from 1 month to 30 years, with the 10y-2y spread (U.S. Treasury, public domain). Input: any text. | $0.002 | Base |
| POST | minty-sprout.onrender.com/v1/x402-seller-revenue Real x402 demand from the chain: USDC an address (e.g. a seller's payTo) received on Base in the last 24 hours, with payment count, distinct payers, total, and | $0.003 | Base |
| POST | minty-sprout.onrender.com/v1/base-contract-facts Base contract fact sheet from the chain: is it a contract, proxy type (EIP-1967, beacon, EIP-1167 clone, ZeppelinOS) with implementation and admin, owner and wh | $0.005 | Base |
| POST | minty-sprout.onrender.com/v1/prediction-markets Prediction market odds from Polymarket: top markets by 24h volume, or those matching keywords, with implied odds, volume and end date. Input: keywords or 'top'. | $0.005 | Base |
| POST | minty-sprout.onrender.com/v1/x402-listing-doctor x402 listing doctor for sellers: why a paid endpoint gets no buyers. Runs the x402 preflight, Coinbase's CDP validator, and presence checks in the CDP Bazaar an | $0.005 | Base |
| POST | minty-sprout.onrender.com/v1/x402-preflight x402 preflight: checks a paid x402 endpoint before a payment is signed. Probes it unpaid, parses the v1 body or v2 PAYMENT-REQUIRED header, lints every accepts[ | $0.005 | Base |
| POST | minty-sprout.onrender.com/v1/ocr OCR: extract all text from an image URL (photos, screenshots, scans, receipts, invoices) as Markdown; text PDFs read directly. Input: an image or PDF URL. | $0.006 | Base |
| POST | minty-sprout.onrender.com/v1/summarize Summarize a text or a web page URL: one-sentence summary plus up to 5 key bullet points. Input: text (up to 6,000 characters) or a URL. | $0.006 | Base |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| 15 h ago | minty-sprout.onrender.com/v1/age-calculator | 402 | 279 | valid x402 v2 terms |
Income on Base (7 days)
| Day | Transfers | USDC | |
|---|---|---|---|
| 2026-11-02 | 1 | $0.003 | |
| 2026-10-31 | 100 | $0.261 |
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x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/minty-sprout.onrender.com