x402 merchant
Email Auth SPF/DMARC/DKIM Check$0.01 / callemail-auth.use.x402atlas.com
EmailSpfDmarcDkimDeliverability

Email authentication posture check: parses SPF, DMARC and DKIM plus MX for any domain and grades deliverability/anti-spoofing gaps (SPF +all, SPF >10 lookups, DMARC p=none, missing DKIM). Clean JSON for deliverability and security-ops automation.

MerchantReport

0x3731…b0e0

0x3731f5c2c1835e3ace2ac157c4e31b1cea0cb0e0Explorer
Inbound volume
$1.36↑ 100%
Last 7d vs prior 7d
Settlements
136↑ 100%
Last 7d vs prior 7d
9
Distinct counterparties

Chains: Base (136)

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
0x8a1a…aa53$0.00$1.2212217d agoGraph
0xc59e…98dc$0.00$0.0223d agoGraph
0x6777…3986$0.00$0.0224d agoGraph
0x2a07…7bae$0.00$0.0225d agoGraph
0x6446…e6d5$0.00$0.0227d agoGraph
0x9ed1…c764$0.00$0.02230d agoGraph
0x7e57…2f09$0.00$0.02246d agoGraph
0xc533…2d7a$0.00$0.01119d 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

Payer PayeeChainAmountx402RouteAgeTxn hash
0xc59e…98dc0x3731…b0e0Base$0.01100%coinbase3d ago0x248495…48ef9c
0x6777…39860x3731…b0e0Base$0.01100%coinbase4d ago0x131ed6…16ccd8
0x2a07…7bae0x3731…b0e0Base$0.01100%coinbase5d ago0x508c1a…928cc1
0x2a07…7bae0x3731…b0e0Base$0.01100%coinbase5d ago0x862ca4…f454c8
0x6446…e6d50x3731…b0e0Base$0.01100%Route unknown7d ago0xd3cd7b…edffdc
0xc59e…98dc0x3731…b0e0Base$0.01100%Route unknown8d ago0xd381a4…72697c
0x6777…39860x3731…b0e0Base$0.01100%Route unknown17d ago0xa88b22…aba1eb
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown17d ago0xd8fc4f…5b9768
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown18d ago0x03de14…08fab6
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown18d ago0x858ecd…834524
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown18d ago0xcbc272…b0f76e
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown18d ago0x309472…dc3e32
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown18d ago0x056ba8…dc3154
0xc533…2d7a0x3731…b0e0Base$0.01100%Route unknown19d ago0xd19232…9bf418
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown19d ago0xfc5e8c…b7c282
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown19d ago0x20b101…ee0187
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown19d ago0x51f27d…f2972f
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown19d ago0x3e8542…68c4fe
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown20d ago0xc2a6eb…e2573a
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown20d ago0x858a50…ad777b
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown20d ago0x903ede…aacf13
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown21d ago0xc840a8…3feadf
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown21d ago0x5b90d1…6847e3
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown22d ago0xb68058…ba0876
0x8a1a…aa530x3731…b0e0Base$0.01100%Route unknown22d ago0xa02d5b…af9c6e

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x3731…b0e0's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0x3731f5c2c1835e3ace2ac157c4e31b1cea0cb0e0

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: 0x3731f5c2c1835e3ace2ac157c4e31b1cea0cb0e0

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0x3731f5c2c1835e3ace2ac157c4e31b1cea0cb0e0'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0x3731f5c2c1835e3ace2ac157c4e31b1cea0cb0e0/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.