x402 merchant
HTTP Security Headers Check$0.01 / callheaders.use.x402atlas.com
HttpHeadersSecurityHstsCsp

Audit a URL's HTTP security headers over a single body-free (HEAD) request. Grades Strict-Transport-Security, Content-Security-Policy, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy, flags information-leak headers (Server, X-Powered-By), and returns the parsed values plus advisory warnings. Clean JSON for security and pentest automation.

MerchantReport

0x7f80…7b9c

0x7f8043c400799643bcb62b41b84b297a8ecb7b9cExplorer
Inbound volume
$0.18→ 0%
Last 7d vs prior 7d
Settlements
18→ 0%
Last 7d vs prior 7d
10
Distinct counterparties

Chains: Base (18)

Funds flow over time

Activity

MarAprMayJunJulAug
LessMore

One square per day; click a day to see its settlements in the ledger.

Frequent counterparties

CounterpartySent to themReceived from themSettlementsLast
0x9ed1…c764$0.00$0.0441d agoGraph
0x6777…3986$0.00$0.0225d agoGraph
0x2a07…7bae$0.00$0.0227d agoGraph
0x6446…e6d5$0.00$0.0229d agoGraph
0xc533…2d7a$0.00$0.02219d agoGraph
0xda23…200f$0.00$0.02241d agoGraph
0xc59e…98dc$0.00$0.0115d agoGraph
0xf5a6…0c80$0.00$0.01136d agoGraph

Ranked by settled amount over this wallet's recent settlement window — who it normally transacts with.

Data quality

No concentration or self-dealing patterns detected in observed activity.

Recent activity

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x7f80…7b9c's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0x7f8043c400799643bcb62b41b84b297a8ecb7b9c

Open skill.md
Show the prompt
Using Roundhouse, tell me whether this x402 merchant is worth paying: how many distinct
agents have paid it, how recently, and for what.

  Merchant wallet: 0x7f8043c400799643bcb62b41b84b297a8ecb7b9c

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0x7f8043c400799643bcb62b41b84b297a8ecb7b9c'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0x7f8043c400799643bcb62b41b84b297a8ecb7b9c/settlements?limit=50'

If you do not have Roundhouse tools or skills installed, read
https://www.roundhouse.studio/skill.md first — it is the whole procedure, and it needs no key.