x402 merchant
GasPaymastererc-4337SponsorshipBase

Gas sponsorship for one ERC-4337 user operation on Base (EntryPoint v0.8). Price = max($0.03, 1.3× the op's gas cap); this is the floor — send your user operation to get the exact quote. Bodies this URL accepts: {sender, calls[, redelegate:true]} (plain wallet, EIP-7702) | {userOperation} unsigned (any EntryPoint v0.8 smart account, bring your own operation) | JSON-RPC ERC-7677. Then POST the signed operation back here; we submit it. GET this URL?docs=1 for details. Quote valid 600s.

MerchantReport

0x487b…5e90

0x487b28a4fbba8cf46eb6e1d72e6959202bb75e90Explorer
Received
$4.96↑ 1162%
Last 7d vs prior 7d
Paid out
$0.00
Last 7d vs prior 7d
Settlements
130→ 0%
Last 7d vs prior 7d
23
Distinct counterparties
Over the whole indexed history

Received $4.96 of the $3059.45M Roundhouse has indexed across 1,397,037 wallets — less than 0.0001% of it.

Chains (from the recent scan): Base (130)

Funds flow over time

Activity

MayJunJulAugSepOctNov
LessMore

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

Frequent counterparties

CounterpartySent to themReceived from themSettlementsLast
0xe1f8…0b35$0.00$2.45557d agoGraph
0x1298…486f$0.00$1.004151d agoGraph
0x5160…1147$0.00$0.4675d agoGraph
0x254a…d091$0.00$0.251151d agoGraph
0x5c57…a524$0.00$0.18666d agoGraph
0xd748…ea7c$0.00$0.13214d agoGraph
0x9045…0b82$0.00$0.12453d agoGraph
0x9067…0982$0.00$0.11122d 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 all 130 observed settlements.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0xe1f8…0b350x487b…5e90BaseBase$0.03100%payAI52d ago0x87f659…e33df4
0x9045…0b820x487b…5e90BaseBase$0.03100%payAI53d ago0xb4ddcb…cd0aaf
0x9045…0b820x487b…5e90BaseBase$0.03100%payAI53d ago0xdafe90…e52bd6
0x9045…0b820x487b…5e90BaseBase$0.03100%payAI53d ago0xd3fe5f…068b6e
0x9045…0b820x487b…5e90BaseBase$0.03100%payAI53d ago0xba6899…316540
0xe1f8…0b350x487b…5e90BaseBase$0.04100%payAI64d ago0xae656c…85e56a
0xe1f8…0b350x487b…5e90BaseBase$0.03100%payAI65d ago0x27e009…c5918b
0xea2f…08ef0x487b…5e90BaseBase$0.03100%payAI65d ago0x876137…06480f
0xe1f8…0b350x487b…5e90BaseBase$0.03100%payAI65d ago0x9f4679…419379
0xe1f8…0b350x487b…5e90BaseBase$0.25100%payAI66d ago0x2011ef…a4cddc
0xe1f8…0b350x487b…5e90BaseBase$0.09100%payAI66d ago0xd4f16f…4ce788
0xe1f8…0b350x487b…5e90BaseBase$0.03100%payAI66d ago0x2dba95…a82b2e
0xe1f8…0b350x487b…5e90BaseBase$0.04100%payAI66d ago0xb3548c…7bc325
0x5c57…a5240x487b…5e90BaseBase$0.0370%0x585f…a35366d ago0x076de0…96b59b
0x5c57…a5240x487b…5e90BaseBase$0.0370%0x585f…a35366d ago0x42f6b3…b87fb7
0x5c57…a5240x487b…5e90BaseBase$0.0370%0x585f…a35366d ago0xdb8d2c…2d9c7f
0x5c57…a5240x487b…5e90BaseBase$0.0370%0x585f…a35366d ago0xab1ecd…ba15e3
0x5c57…a5240x487b…5e90BaseBase$0.0370%0x585f…a35366d ago0xdcf252…997659
0x5c57…a5240x487b…5e90BaseBase$0.0370%0x585f…a35366d ago0xd37945…40b949
0xe1f8…0b350x487b…5e90BaseBase$0.0370%0x585f…a35366d ago0x91a0e9…134335
0xe1f8…0b350x487b…5e90BaseBase$0.2570%0x30bc…8df468d ago0xb4fab1…b15795
0xe1f8…0b350x487b…5e90BaseBase$0.2570%0x30bc…8df468d ago0x403a18…f89235
0xe1f8…0b350x487b…5e90BaseBase$0.2570%0x30bc…8df469d ago0x6f51dc…9e1b0a
0xe1f8…0b350x487b…5e90BaseBase$0.0270%0x30bc…8df469d ago0xc289be…51c342
0x1298…486f0x487b…5e90BaseBase$0.25100%coinbase151d ago0xeb445d…07ac38

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0x487b…5e90's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0x487b28a4fbba8cf46eb6e1d72e6959202bb75e90

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: 0x487b28a4fbba8cf46eb6e1d72e6959202bb75e90

curl -s 'https://api.roundhouseai.io/v0/merchants/0x487b28a4fbba8cf46eb6e1d72e6959202bb75e90'
curl -s 'https://api.roundhouseai.io/v0/entities/0x487b28a4fbba8cf46eb6e1d72e6959202bb75e90/settlements?limit=50'

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at
GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at
https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further.

If you do not have Roundhouse tools or skills installed, read
https://roundhouseai.io/skill.md first — it is the whole procedure.