| host | x402 payments | registry calls, 30 d | payers | sells |
|---|
| email-verifier.underscoredone.com | 1 | 9 | one payer | Takes one email address and tells you whether it can actually receive mail. Returns a verd |
| cpi-report-us.underscoredone.com | 0 | 8 | — | Gives you official United States inflation numbers from the government's BLS Consumer Pric |
| ens-resolver.underscoredone.com | 0 | 8 | — | Look up an ENS name or an Ethereum address and get back the matching one, automatically fi |
| hackernews-data.underscoredone.com | 0 | 8 | — | This tool reads live information from Hacker News, a popular website where people share an |
| bimi-checker.underscoredone.com | 0 | 7 | — | Checks one or more domains to see whether they are set up to show a brand logo next to ema |
| dmarc-lookup.underscoredone.com | 0 | 7 | — | Give this tool a list of domain names and it will instantly check each one's DMARC email s |
| dns-whois-lookup.underscoredone.com | 0 | 7 | — | Send up to 10 domain names and get back every DNS record type (A, AAAA, MX, CNAME, TXT, NS |
| domain-age-checker.underscoredone.com | 0 | 7 | — | Send a list of domain names and this tool tells you exactly how old each one is, when it w |
| domain-availability-checker.underscoredone.com | 0 | 7 | — | Give this API up to 10 domain names and it tells you whether each has a registration recor |
| asn-lookup.underscoredone.com | 0 | 6 | — | Given an internet address (IP) or a network identification number (ASN), this tool returns |
| cors-header-checker.underscoredone.com | 0 | 6 | — | Sends a real request to any URL you provide, attaches an Origin header, and reads back all |
| curl-http-request.underscoredone.com | 0 | 6 | — | Send an HTTP request to any URL from our servers and receive the full response — including |
| hash-hmac.underscoredone.com | 0 | 6 | — | Give this API any text or binary data and it returns its fingerprint under whichever hash |
| json-suite.underscoredone.com | 0 | 6 | — | Every agent and developer hits broken or confusing JSON. This tool handles the common head |
| leetspeak-translator.underscoredone.com | 0 | 6 | — | Takes a piece of text and either turns it into leetspeak (swapping some letters for number |
| mortgage-amortization.underscoredone.com | 0 | 6 | — | Give this API a loan amount, an interest rate, and a repayment term, and it returns the ex |
| url-uptime-checker.underscoredone.com | 0 | 6 | — | Checks whether a website or web address is currently reachable and reports how fast it res |
| http-status-checker.underscoredone.com | 0 | 5 | — | Give this API a list of up to 10 web addresses and it will visit each one to tell you whet |
| port-scanner.underscoredone.com | 0 | 4 | — | Give this API a hostname or IP address and it tries connecting to each port in your reques |
| seo-data-extractor.underscoredone.com | 0 | 4 | — | Give this API a web address and it will visit that page, then hand back everything an SEO |
| shopify-ai-rank-checker.underscoredone.com | 0 | 4 | — | Checks how well a Shopify store's products show up when AI shopping assistants such as Cha |
| http-header-checker.underscoredone.com | 0 | 3 | — | Sends a request to a web address you provide and reports back everything the server said i |
| qr-code-generator.underscoredone.com | 0 | 2 | — | Send a list of texts — website addresses, phone numbers, plain words, WiFi details, anythi |
| sitemap-url-extractor.underscoredone.com | 0 | 2 | — | Give this API a link to any website's sitemap.xml file and it will fetch and parse it, ret |
| ocr.underscoredone.com | 0 | 1 | — | Send a picture, either as a public web address or as base64-encoded image data, and get ba |