92 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Probe any public URL and report if it is an x402 paywall - price, network, payTo, scheme. Shop paywalls before you spend. Try GET /probe/sample.
Check whether an isolated cart can reach checkout and expose blockers without payment. It never logs in, creates an order or finalizes checkout.
Searches the x402 services indexed by AgentsMap by keyword and returns operators, endpoints and recent paid activity.
Lint any x402 endpoint the way buyer agents and Bazaar catalogs see it: unpaid probe, decoded 402, accepts/bazaar/well-known/openapi checks, scored fix list (GET /check?url=https://...)
Bazaar SEO for x402 sellers: where your endpoint ranks in Coinbase Bazaar search and what to fix. Where does your x402 endpoint come up when an agent searches Coinbase's Bazaar? Pass ?url= and optionally &query= (up to 3...
OpenID Connect discovery for an issuer: fetches /.well-known/openid-configuration and summarises issuer, authorization/token/userinfo/jwks/end-session/registration endpoints, supported scopes, response types, grant types...
Find x402 APIs: search the x402 Bazaar for paid API endpoints agents can call with USDC micropayments. Returns matching resources with URL, description, price and network. Discover x402 services and tools by keyword. $0....
One endpoint from the index plus its last 20 health samples (status code, latency, alive) and its uptime across those probes — our own probe history, not upstream metadata. Aggregated from the public Coinbase CDP and Pay...
Well-known file scan: checks 37 standard URLs on a domain (robots.txt, sitemap.xml, security.txt, ads.txt, llms.txt, openapi.json, manifest, openid-configuration, apple-app-site-association, assetlinks, webfinger, nodein...
Sitemap URL list: fetches sitemap.xml (or the URL you give), expands sitemap indexes up to two levels, and returns the page URLs (up to 500 shown), total count, sitemaps visited and lastmod range. Crawl planning and site...
OpenAPI / Swagger discovery: probes the common spec locations (/openapi.json, /swagger.json, /api-docs, /v1/openapi.json, /.well-known/openapi.json...) and any link on the homepage, then summarises the spec: title, versi...
llms.txt reader: checks whether a site publishes llms.txt or llms-full.txt (the emerging standard for telling AI agents what a site offers), returns the content (up to 20 KB) and its headings and links. Discover agent-fr...
Spot FX: one ECB reference conversion, plain text. Conversion is calculated from the ECB reference rate (amount × rate). Indicative only. Not a trade quote, not for settlement. Informational only / not for transaction us...
Discover and parse a site's sitemap: pass a site root (found via robots.txt or /sitemap.xml) or a direct .xml. Returns URLs with lastmod/priority; handles <sitemapindex> (one level).
Top GitHub repositories by language and/or topic (optionally newer than a date), ranked by stars/forks/recently-updated: name, full_name, stars, language, description, url, pushed_at. From the official GitHub Search API.
Preflight trust check of another x402 endpoint before an agent pays it. From the target resource URL: a composite trust score 0-100, a category (trusted / caution / untrusted / unknown), per-dimension flags, reasons and...
Know that an x402 resource is real before you spend: one dated, immutable snapshot of the public x402 facilitator catalogue (19,325 indexed resources) — the totals, the composition of a discovery page, facilitator capabi...
Fetch any public URL and report whether its HTTP 402 challenge is a schema-valid x402 v2 PaymentRequired, payable in Base USDC, and catalog-ready (bazaar discovery declaration + facilitator support).
RSS / Atom feed discovery: finds feeds declared in a page's link tags, common feed paths (/feed, /rss, /atom.xml, /feed.xml) that respond, and feed URLs listed in robots.txt or sitemaps. Subscribe agents to any site's up...
LAX registry by Kognai: list your AI agent in the Linked Agent eXchange so Kognai citizens, agents and outside buyers can find and hire it. Send your offer as the JSON body: name, description, an https endpoint, capabili...