EVERY CAPABILITY
All capabilities
2092 capabilities on 12 shelves · showing 1537–1584
Checks & verification 347 · 48 on this page
Merkle proof scheme demo
Found by us · dokimo.augaster.com
Checks & verification
Recomputes a sample Merkle proof to its root, as a demo of the verification scheme.
x402 liveness and payment check
Found by us · x402-factory.com
Checks & verification
Confirms the server is up and your x402 payment pipeline actually works.
Low-cost x402 settlement health probe
Found by us · x402.clashofcoins.com
Checks & verification
Checks that x402 payment settlement is working, at low cost.
Wallet compliance screening check
Found by us · eagle.quickai.build
Checks & verification
Screens a wallet address against US sanctions and stablecoin blacklists.
Signed spend receipt for agent LLM calls
Found by us · api.xfuel.app
Checks & verification
Gives you a signed, verifiable receipt each time you pay for a chat completion call.
URL redirect chain tracer
Found by us · unwrap.use.x402atlas.com
Checks & verification
Traces a URL's redirect chain to its final destination and flags safety warnings.
HTTP security headers audit
Found by us · headers.use.x402atlas.com
Checks & verification
Audits a URL's HTTP security headers and grades what's missing or leaking information.
Email authentication (SPF/DMARC/DKIM) check
Found by us · email-auth.use.x402atlas.com
Checks & verification
Checks a domain's SPF, DMARC, and DKIM setup and grades its email-spoofing gaps.
x402 payment settlement canary
Found by us · x402.lucidcove.org
Checks & verification
Confirms your x402 client, wallet, and facilitator all work together, end to end.
x402 settlement test
Found by us · api.basefeed.io
Checks & verification
Confirms an x402 payment settles correctly.
x402 integration smoke test
Found by us · tollbooth-hello.sjwilliams8.workers.dev
Checks & verification
Confirms your x402 client works before you call a real compliance endpoint.
Robots.txt preflight check
Found by us · minifetch.com
Checks & verification
Checks whether a crawler is allowed to fetch a URL, and how long it must wait between requests.
Pre-trade risk check for a crypto trade
Found by us · agentpay.tools
Checks & verification
Tells you whether a crypto trade is sane to make, before you make it.
OFAC sanctions wallet screen
Found by us · lionx402.com
Checks & verification
Tells you whether a wallet address appears on the OFAC SDN sanctions list before you pay it.
Email deliverability verification
Found by us · win.oneshotagent.com
Checks & verification
Checks whether an email address is deliverable.
x402 payment integration check
Found by us · api.402rates.com
Checks & verification
Confirms your x402 payment integration works and tells you which networks are available.
x402 endpoint readiness probe
Found by us · trust402.vercel.app
Checks & verification
Probes an x402 endpoint live and tells you if its challenge and payment flow are ready.
x402 payment round-trip echo test
Found by us · app.heinrichstech.com
Checks & verification
Confirms your x402 payment client works by echoing back your message and the settlement details.
Trusted UTC timestamp and x402 client test
Found by us · api.oblique.markets
Checks & verification
Gives you a trusted server timestamp, useful as the smallest possible test of your x402 payment client.
URL status and uptime check
Found by us · intel.rallylive.ca
Checks & verification
Tells you if a website is up and how it responded.
Disposable email detector
Found by us · intel.rallylive.ca
Checks & verification
Tells you if an email address is a throwaway, webmail, or role address.
x402 seller security audit
Found by us · agent402.tools
Checks & verification
Grades an x402 seller's payment security from the outside, without paying.
Password strength scorer
Found by us · agent402.tools
Checks & verification
Scores a password's strength and estimates how fast it could be cracked.
Public domain status check
Found by us · intel.rallylive.ca
Checks & verification
Tells you if a work is in the public domain, by jurisdiction.
Domain trust score
Found by us · intel.rallylive.ca
Checks & verification
Scores a domain's trust and legitimacy from 0 to 100, with reasons.
IP address classifier
Found by us · intel.rallylive.ca
Checks & verification
Tells you if an IP is public, private, or another reserved type.
HTTP security headers check
Found by us · intel.rallylive.ca
Checks & verification
Checks a website for the HTTP security headers it sends.
Redirect chain tracer
Found by us · intel.rallylive.ca
Checks & verification
Traces every hop in a URL's HTTP redirect chain.
On-chain attestation for a settled call
Found by us · agent402.tools
Checks & verification
Writes an on-chain record tying a paid call to the response you got.
SSL certificate expiry check
Found by us · intel.rallylive.ca
Checks & verification
Tells you when a hostname's SSL certificate expires.
EVM transaction simulator
Found by us · agent402.tools
Checks & verification
Dry-runs a smart-contract call to see if it would succeed, with no broadcast.
Email security check for a domain
Found by us · intel.rallylive.ca
Checks & verification
Tells you whether a domain is protected against spoofing and phishing.
TLS certificate inspector
Found by us · agent402.tools
Checks & verification
Reads a public host's TLS certificate details.
Bulk SPF and DMARC check
Found by us · intel.rallylive.ca
Checks & verification
Checks SPF and DMARC records for up to 20 domains at once.
Meta-robots value check for a robots file
Found by us · crawlspur.halowerk.com
Checks & verification
Checks the meta-robots tag value on a robots file.
X-Robots-Tag check for a robots file
Found by us · crawlspur.halowerk.com
Checks & verification
Checks the X-Robots-Tag value on a robots file.
Meta-robots value check for a sitemap
Found by us · crawlspur.halowerk.com
Checks & verification
Checks the meta-robots tag value tied to a sitemap.
Heading structure audit
Found by us · intel.rallylive.ca
Checks & verification
Checks a page's headings for SEO and accessibility problems.
X-Robots-Tag check for a video
Found by us · crawlspur.halowerk.com
Checks & verification
Checks the X-Robots-Tag value on a video.
Robots.txt check for a paginated page
Found by us · crawlspur.halowerk.com
Checks & verification
Checks whether robots.txt allows crawling of a paginated page.
Stablecoin peg deviation monitor
Found by us · agent402.tools
Checks & verification
Tracks how far top USD stablecoins have drifted from their peg.
X-Robots-Tag check for a news document
Found by us · crawlspur.halowerk.com
Checks & verification
Checks the X-Robots-Tag value on a news document.
Catch-all mailbox hint
Found by us · intel.rallylive.ca
Checks & verification
Estimates whether a domain accepts mail sent to any address.
Meta-robots value check for pagination
Found by us · crawlspur.halowerk.com
Checks & verification
Checks the meta-robots tag value on a paginated page.
Indexability check for a URL rule
Found by us · crawlspur.halowerk.com
Checks & verification
Checks whether a URL rule is technically indexable.
DNS change detection
Found by us · intel.rallylive.ca
Checks & verification
Tells you which DNS records changed since your last check.
Robots.txt check for a canonical URL
Found by us · crawlspur.halowerk.com
Checks & verification
Checks whether robots.txt allows crawling of a canonical URL.
Check a page's technical indexability
Found by us · crawlspur.halowerk.com
Checks & verification
Tells you whether a page object is technically indexable.