asn-lookup.underscoredone.com
Solana · payout 8ugAWAXDB8V18kiUrGZTq1oMvU3C6Fxs8hfC6rvzQT3b
Answers HTTP 402
3 of 6 probed endpoints answered HTTP 402 with a parseable payment payload
checked 2026-10-05
Method: one unpaid request per listed endpoint. A 402 with a payment payload a client could parse counts. Nothing is paid.
x402-style payments, last 7 days (Base)
unknown. not measured on this chain yet
no reading date
Method: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's exact scheme uses. Some non-x402 gasless sends use it too.
Delivery is not measured. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.
Chains · one payout address, each chain read on its own
| Chain | Payout address | Listings | Answers 402 | x402-style payments |
|---|---|---|---|---|
| Solana | 8ugAWAXDB8V18kiUrGZTq1oMvU3C6Fxs8hfC6rvzQT3b | 26 | 3 of 6 probed endpoints answered HTTP 402 with a parseable payment payload 2026-10-05 | unknown. not measured on this chain yet |
- Hosts
- asn-lookup.underscoredone.com, bimi-checker.underscoredone.com, cors-header-checker.underscoredone.com, cpi-report-us.underscoredone.com, curl-http-request.underscoredone.com, dmarc-lookup.underscoredone.com, dns-whois-lookup.underscoredone.com, domain-age-checker.underscoredone.com, domain-availability-checker.underscoredone.com, email-verifier.underscoredone.com, ens-resolver.underscoredone.com, hackernews-data.underscoredone.com, hash-hmac.underscoredone.com, http-header-checker.underscoredone.com, http-status-checker.underscoredone.com, json-suite.underscoredone.com, leetspeak-translator.underscoredone.com, mortgage-amortization.underscoredone.com, ocr.underscoredone.com, port-scanner.underscoredone.com, qr-code-generator.underscoredone.com, screenshots.underscoredone.com, seo-data-extractor.underscoredone.com, shopify-ai-rank-checker.underscoredone.com, sitemap-url-extractor.underscoredone.com, url-uptime-checker.underscoredone.com
- Listings
- 26 registered in the x402 catalogue
- Price range
- $0.010 to $0.020 per call, as registered
- Categories (auto)
- Identity (8), Developer tools (6), Web data (4), Commerce (2), Market data (2), Other (2), Onchain data (1), Security (1)
- First seen
- 2026-10-05 · last seen 2026-10-05
Claim this merchant
Sign a message from the payout address 8ugAWAXD…vzQT3b to claim this page. Claiming proves control of the payout key. It says nothing about the service behind the address, and it does not change how this merchant is ranked. No email, no account: the signature is the whole credential, and signing a message costs no gas and moves nothing.
The payment ledger is not available on Solana yet.
Registrations · 26
| Endpoint | Chain | Category | Price | Catalogue date |
|---|---|---|---|---|
https://asn-lookup.underscoredone.com/lookup Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of the internet: the network number, the owner's name, the country it's registered in, the regional regi… | Solana | Identity | $0.01 | 2026-10-04 |
https://bimi-checker.underscoredone.com/check Checks one or more domains to see whether they are set up to show a brand logo next to emails in Gmail, Apple Mail, and Yahoo. It looks up the BIMI settings the domain has published, checks the logo file follows the req… | Solana | Identity | $0.01 | 2026-10-04 |
https://cors-header-checker.underscoredone.com/check Sends a real request to any URL you provide, attaches an Origin header, and reads back all six standard cross-origin permission headers the server returns. Tells you whether cross-origin requests are enabled at all, whe… | Solana | Developer tools | $0.01 | 2026-10-02 |
https://cpi-report-us.underscoredone.com/cpi Gives you official United States inflation numbers from the government's BLS Consumer Price Index. Ask for the newest reading, a specific month in the past, or a whole range of months, and get back clear percentages for… | Solana | Market data | $0.01 | 2026-10-05 |
https://curl-http-request.underscoredone.com/curl Send an HTTP request to any URL from our servers and receive the full response — including the status code, all response headers, and the body content. Supports GET, POST, PUT, PATCH, DELETE, and HEAD. Automatically fol… | Solana | Web data | $0.01 | 2026-10-02 |
https://dmarc-lookup.underscoredone.com/dmarc-lookup Give this tool a list of domain names and it will instantly check each one's DMARC email security record. DMARC is a standard that tells email providers how to handle fake or spoofed emails pretending to come from your … | Solana | Identity | $0.01 | 2026-10-05 |
https://dns-whois-lookup.underscoredone.com/lookup Send up to 10 domain names and get back every DNS record type (A, AAAA, MX, CNAME, TXT, NS, PTR, SOA, SRV, CAA, NAPTR, DS, TLSA) plus the full WHOIS registration profile (registrar, dates, contacts, status, nameservers)… | Solana | Identity | $0.01 | 2026-10-05 |
https://domain-age-checker.underscoredone.com/lookup Send a list of domain names and this tool tells you exactly how old each one is, when it was first registered, when it expires, and how much time is left before expiration. Great for spotting brand-new suspicious domain… | Solana | Identity | $0.01 | 2026-10-05 |
https://domain-availability-checker.underscoredone.com/check Give this API up to 10 domain names and it tells you whether each has a registration record at the official registry. It uses RDAP, the structured replacement for WHOIS, so there is no free-text parsing. Each domain com… | Solana | Identity | $0.01 | 2026-10-05 |
https://email-verifier.underscoredone.com/verify Takes one email address and tells you whether it can actually receive mail. Returns a verdict of valid, invalid, or risky, splits the address into username and domain, and flags free providers and role accounts like adm… | Solana | Identity | $0.01 | 2026-10-05 |
https://ens-resolver.underscoredone.com/resolve Look up an ENS name or an Ethereum address and get back the matching one, automatically figuring out which direction you need. | Solana | Onchain data | $0.01 | 2026-10-05 |
https://hackernews-data.underscoredone.com/fetch This tool reads live information from Hacker News, a popular website where people share and discuss technology news. You can either ask for a current list of stories (like the Top, New, Best, Ask, Show, or Job lists) or… | Solana | Web data | $0.01 | 2026-10-02 |
https://hash-hmac.underscoredone.com/hash Give this API any text or binary data and it returns its fingerprint under whichever hash algorithms you choose - SHA-256, SHA-512, MD5, BLAKE2, CRC32 and more. It also signs data with a secret key (HMAC) and safely ver… | Solana | Developer tools | $0.01 | 2026-10-02 |
https://http-header-checker.underscoredone.com/check Sends a request to a web address you provide and reports back everything the server said in response: the status code, all the response headers, how many times it got redirected, and how long the whole thing took. | Solana | Other | $0.01 | 2026-10-02 |
https://http-status-checker.underscoredone.com/check Give this API a list of up to 10 web addresses and it will visit each one to tell you whether it is working, broken, or redirecting visitors somewhere else. You get back the exact status number (like 200 for OK, 404 for… | Solana | Developer tools | $0.01 | 2026-10-02 |
https://json-suite.underscoredone.com/json Every agent and developer hits broken or confusing JSON. This tool handles the common headaches in one place: check whether JSON is valid with the exact error location, repair near-JSON with typos, pretty-print or minif… | Solana | Developer tools | $0.01 | 2026-10-02 |
https://leetspeak-translator.underscoredone.com/translate Takes a piece of text and either turns it into leetspeak (swapping some letters for numbers and symbols, like 'hello' becoming 'h3110') or turns leetspeak back into normal, easy-to-read words. The same words always prod… | Solana | Commerce | $0.01 | 2026-10-04 |
https://mortgage-amortization.underscoredone.com/calculate Give this API a loan amount, an interest rate, and a repayment term, and it returns the exact monthly payment plus a full month-by-month schedule: interest paid, principal repaid, and balance remaining for every payment… | Solana | Market data | $0.01 | 2026-10-02 |
https://ocr.underscoredone.com/read Send a picture, either as a public web address or as base64-encoded image data, and get back the plain text found inside it. | Solana | Developer tools | $0.01 | 2026-09-25 |
https://port-scanner.underscoredone.com/scan Give this API a hostname or IP address and it tries connecting to each port in your requested range. For every port that answers it reports whether it is open or blocked, which service is likely running there (a web ser… | Solana | Security | $0.01 | 2026-10-02 |
https://qr-code-generator.underscoredone.com/generate Send a list of texts — website addresses, phone numbers, plain words, WiFi details, anything — and get back a ready-to-use QR code image for each one. Every QR code comes as a base64-encoded PNG you can drop straight in… | Solana | Identity | $0.01 | 2026-10-02 |
https://seo-data-extractor.underscoredone.com/extract Give this API a web address and it will visit that page, then hand back everything an SEO professional needs to know: the page title, meta description, meta keywords, robots instructions, canonical link, H1/H2/H3 headin… | Solana | Web data | $0.01 | 2026-10-02 |
https://shopify-ai-rank-checker.underscoredone.com/rank Checks how well a Shopify store's products show up when AI shopping assistants such as ChatGPT, Gemini, Perplexity, Grok, and Copilot search for products, and reports the store's rank and its closest competitors. Search… | Solana | Commerce | $0.01 | 2026-09-29 |
https://sitemap-url-extractor.underscoredone.com/extract Give this API a link to any website's sitemap.xml file and it will fetch and parse it, returning every URL found inside. If the sitemap links to other sitemaps (called sitemap indexes), it will follow and extract those … | Solana | Developer tools | $0.01 | 2026-10-02 |
https://url-uptime-checker.underscoredone.com/check Checks whether a website or web address is currently reachable and reports how fast it responded. | Solana | Other | $0.01 | 2026-10-04 |
https://screenshots.underscoredone.com/capture Renders a webpage exactly as a real browser would, including all its scripts and dynamic content, then takes a picture of it. You can capture just the visible area or the whole scrollable page, choose the screen size, w… | Solana | Web data | $0.02 | 2026-09-10 |
Descriptions are the seller’s own words from the catalogue and are not checked by us. A listed price is a registration, not an observed charge.
Data CC-BY-4.0, attribution: data by satohub.ai. Collector run 2026-10-05. Appearing here is not an endorsement. Check an endpoint with the doctor.