Foundry
x402 seller due diligence: everything in x402-preflight PLUS on-chain proof of real demand (USDC actually received by the seller's payTo in the last 24h: payments, distinct payers, volume) and a Bazaar listing-truth audit (is this URL listed, does the listed price match what it charges). Reveals dead, fake or mispriced sellers before payment.
- Category
- Images, audio & video
- Starting price
- $0.001
- Paid calls · 30 days
- 110
- Unique payers · 30 days
- 108
Paid endpoints
106 endpoints, sorted by usage. Prices are per request.
- POST/v1/basename-resolve
Basename resolver: a .base.eth name to its Base address. Input: 'jesse.base.eth'.
$0.001Base1calls / 30d - POST/v1/sentiment
Sentiment analysis: positive, negative, neutral or mixed, with a score from -1 to 1. Input: any text.
$0.002Base1calls / 30d - POST/v1/sitemap
Sitemap parser: URLs, child sitemaps and last-modified dates from a site's sitemap.xml. Input: a domain or sitemap URL.
$0.001Base1calls / 30d - POST/v1/emoji-search
Emoji search: find emoji by keyword, with names and codepoints. Input: a word, e.g. 'rocket'.
$0.001Base1calls / 30d - POST/v1/unicode-info
Unicode character info: codepoint, official name, category, UTF-8 bytes and HTML entity. Input: characters or 'U+1F680'.
$0.001Base1calls / 30d - POST/v1/spf-check
SPF record checker: the SPF record, includes, DNS lookup count and all-mechanism policy for a domain. Input: a domain.
$0.001Base1calls / 30d - POST/v1/currency-code
Currency code lookup: ISO 4217 code, name and numeric code. Input: a code like 'PKR' or a currency name.
$0.001Base1calls / 30d - POST/v1/image-info
Image info and EXIF: format, dimensions, colour mode, size and camera metadata of an image URL. Input: an image URL.
$0.001Base1calls / 30d - POST/v1/defi-tvl
DeFi TVL from DefiLlama: total value locked for a chain or protocol, or the top chains. Input: 'Base', 'aave' or 'top'.
$0.001Base1calls / 30d - POST/v1/postal-code
Zip and postal code lookup: place names, state and coordinates for 60+ countries. Input: 'US 90210' or 'DE 10115'.
$0.001Base1calls / 30d - POST/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.
$0.001Base1calls / 30d - POST/v1/calendar
Calendar: the days of any month laid out by week, with month length and first weekday. Input: 'YYYY-MM'.
$0.001Base1calls / 30d - POST/v1/tech-stack
Website tech stack detector: frameworks, CMS, analytics, CDN and server behind a site. Input: a URL.
$0.001Base1calls / 30d - POST/v1/date-difference
Date difference: days, weeks, months and years between two dates. Input: '2026-01-01 2026-12-25'.
$0.001Base1calls / 30d - POST/v1/dmarc-check
DMARC record checker: policy, subdomain policy, percentage and report addresses for a domain. Input: a domain.
$0.001Base1calls / 30d - POST/v1/gravatar
Gravatar lookup: whether an email has a Gravatar, with avatar and profile URLs. Input: an email address.
$0.001Base1calls / 30d - POST/v1/morse-code
Morse code translator: text to Morse and Morse to text. Input: text, or dots and dashes.
$0.001Base1calls / 30d - POST/v1/bible-verse
Bible verse lookup (King James Version, public domain): text for a reference. Input: 'John 3:16'.
$0.001Base1calls / 30d - POST/v1/barcode-validate
Barcode validator: EAN-8, UPC-A, EAN-13 and GTIN-14 check digits. Input: barcode digits.
$0.001Base1calls / 30d - POST/v1/readability
Readability: the main text of a web page with word count, reading time and Flesch reading ease. Input: a URL.
$0.001Base1calls / 30d - POST/v1/number-to-words
Number to words: spells out numbers in English, with a cheque-style amount. Input: '1234.50'.
$0.001Base1calls / 30d - POST/v1/language-detect
Language detection: the language of a text with confidence and alternatives. Input: any text.
$0.001Base1calls / 30d - POST/v1/timezone-convert
Timezone converter: convert a date and time between IANA timezones. Input: '2026-11-01 09:00 Europe/London to Asia/Karachi'.
$0.001Base1calls / 30d - POST/v1/loan-calculator
Loan and mortgage calculator: monthly payment, total paid and total interest. Input: 'amount, rate %, years'.
$0.001Base1calls / 30d - POST/v1/dns-propagation
DNS propagation check: compares answers from Cloudflare and Google resolvers. Input: 'example.com A'.
$0.001Base1calls / 30d - POST/v1/favicon
Favicon finder: a site's favicon and icon URLs. Input: a URL.
$0.001Base1calls / 30d - POST/v1/card-validate
Credit card number validator: Luhn checksum and card brand (Visa, Mastercard, Amex...). Format check only, never stored. Input: a card number.
$0.001Base1calls / 30d - POST/v1/chain-id
EVM chain lookup: chain ID, name, native currency, public RPCs and explorers. Input: a chain ID or name.
$0.001Base1calls / 30d - POST/v1/iban-validate
IBAN validator: checksum (mod 97), country length check and formatted IBAN. Input: an IBAN.
$0.001Base1calls / 30d - POST/v1/roman-numeral
Roman numeral converter: numbers to Roman numerals and back (1 to 3999). Input: '2026' or 'MMXXVI'.
$0.001Base1calls / 30d - POST/v1/name-generator
Random name generator: fictional names, usernames and example.com emails for test data. Input: how many, 1 to 20.
$0.001Base1calls / 30d - POST/v1/html-to-markdown
Web page to Markdown: the readable content of a URL as clean Markdown with links. Input: a URL.
$0.001Base1calls / 30d - POST/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'.
$0.001Base1calls / 30d - POST/v1/business-days
Business days between two dates: weekdays, weekend days and calendar days. Input: '2026-11-01 2026-11-30'.
$0.001Base1calls / 30d - POST/v1/age-calculator
Age calculator: age in years and days, next birthday and days until it. Input: a birth date 'YYYY-MM-DD'.
$0.001Base1calls / 30d - POST/v1/bmi
BMI calculator: body mass index and WHO category from weight and height. Input: 'weight kg, height cm'.
$0.001Base1calls / 30d - POST/v1/qr-code
QR code generator: PNG data URI and SVG for any text or URL. Input: the text or URL to encode.
$0.001Base1calls / 30d - POST/v1/phone-validate
Phone number validator: validity, E.164 and international format, type, region, carrier and timezone. Input: '+44 20 7946 0958'.
$0.001Base1calls / 30d - POST/v1/domain-availability
Domain availability check via RDAP: is a domain registered or free. Input: a domain.
$0.001Base1calls / 30d - POST/v1/trivia
Trivia questions with answers and options from the Open Trivia Database. Input: how many, 1 to 10.
$0.001Base1calls / 30d - POST/v1/vin-decode
VIN decoder: make, model, year, trim, body, engine and plant from a vehicle identification number (NHTSA). Input: a 17-character VIN.
$0.001Base1calls / 30d - POST/v1/fear-greed
Crypto Fear and Greed Index: today's value and the last 7 days. Input: any text.
$0.001Base1calls / 30d - POST/v1/stablecoins
Stablecoin market data: circulating supply, peg and price for the largest stablecoins. Input: a symbol like 'USDC' or 'top'.
$0.001Base1calls / 30d - POST/v1/defi-yields
DeFi yields: highest-APY pools with over $1M TVL, filtered by chain and token. Data only. Input: 'usdc base'.
$0.001Base1calls / 30d - POST/v1/token-list
Token list: verified token addresses and decimals on Base, Ethereum, Arbitrum and more (Uniswap list). Input: 'base usdc'.
$0.001Base1calls / 30d - POST/v1/rss-feed
RSS and Atom feed reader: latest items with titles, links and dates. Input: a feed URL.
$0.001Base1calls / 30d - POST/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.
$0.001Base1calls / 30d - POST/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.
$0.006Base1calls / 30d - POST/v1/translate
Translate text into any language, keeping formatting, names and numbers. Input: 'to Spanish: your text' (up to 2,000 characters; defaults to English).
$0.006Base1calls / 30d - POST/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.
$0.006Base1calls / 30d