x402 merchant
SciencePhysicsOdeDynamicsScipy

Physics ODE solver (SciPy): coupled ODE systems from parameterized templates (orbital 2-body, oscillator, pendulum, heat transfer, RC/RLC, projectile-with-drag, SIR) or a generic linear system, with energy/conservation checks. Paid in USDC on Base or Solana.

MerchantReport

0xf786…5f3f

0xf786a555be87c6d3b316c976b643c70326565f3fExplorer
Inbound volume
$0.55↑ 3800%
Last 7d vs prior 7d
Settlements
39↑ 1000%
Last 7d vs prior 7d
5
Distinct counterparties

Chains: Base (39)

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
0x8872…3f9b$0.00$0.533522h agoGraph
0xc533…2d7a$0.00$0.00512d agoGraph
0x2e26…ddde$0.00$0.00517d agoGraph
0x72f6…04c4$0.00$0.005122d agoGraph
0xa935…7917$0.00$0.005133d agoGraph

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

Data quality

96% of observed volume is with a single counterparty.

Organic volume $0.55 of $0.55 total.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0x8872…3f9b0xf786…5f3fBase$0.01100%coinbase22h ago0x791975…3d1c43
0x8872…3f9b0xf786…5f3fBase$0.02100%coinbase22h ago0xbcc615…3f076f
0x8872…3f9b0xf786…5f3fBase$0.05100%coinbase22h ago0x1a4273…4b5e16
0x8872…3f9b0xf786…5f3fBase$0.01100%coinbase22h ago0xb14c4f…f892c1
0x8872…3f9b0xf786…5f3fBase$0.005100%coinbase22h ago0x35bd25…6c0144
0xc533…2d7a0xf786…5f3fBase$0.005100%coinbase2d ago0xcbb88b…021e78
0x8872…3f9b0xf786…5f3fBase$0.01100%coinbase3d ago0xeae4b9…813253
0x8872…3f9b0xf786…5f3fBase$0.02100%coinbase3d ago0x291b37…8ea78f
0x8872…3f9b0xf786…5f3fBase$0.05100%coinbase3d ago0x9b0996…e8ec8a
0x8872…3f9b0xf786…5f3fBase$0.005100%coinbase3d ago0x3bc7bc…6e090a
0x8872…3f9b0xf786…5f3fBase$0.01100%coinbase3d ago0x28cd20…472f4e
0x2e26…ddde0xf786…5f3fBase$0.005100%coinbase7d ago0x88913b…233f13
0x72f6…04c40xf786…5f3fBase$0.005100%Route unknown22d ago0x7c21af…f7e256
0x8872…3f9b0xf786…5f3fBase$0.01100%Route unknown31d ago0xd4d30c…f24647
0x8872…3f9b0xf786…5f3fBase$0.02100%Route unknown31d ago0x5f5301…691eda
0x8872…3f9b0xf786…5f3fBase$0.05100%Route unknown31d ago0x088230…d91606
0x8872…3f9b0xf786…5f3fBase$0.005100%Route unknown31d ago0xafb435…21f31d
0x8872…3f9b0xf786…5f3fBase$0.01100%Route unknown31d ago0x5fcd95…9bb6d3
0xa935…79170xf786…5f3fBase$0.005100%Route unknown33d ago0x8d1ee7…eb6232
0x8872…3f9b0xf786…5f3fBase$0.01100%Route unknown34d ago0x85a7ce…d21ab8
0x8872…3f9b0xf786…5f3fBase$0.02100%Route unknown34d ago0xca7698…f8c91a
0x8872…3f9b0xf786…5f3fBase$0.05100%Route unknown34d ago0xc49986…fb5ecf
0x8872…3f9b0xf786…5f3fBase$0.01100%Route unknown34d ago0xfddb01…311f70
0x8872…3f9b0xf786…5f3fBase$0.005100%Route unknown34d ago0x38e1ab…7fed74
0x8872…3f9b0xf786…5f3fBase$0.01100%Route unknown44d ago0x0e238d…9d9ef8

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0xf786…5f3f's payment record before paying it over the free read API. No key, no account.

GET www.roundhouse.studio/api/v0/merchants/0xf786a555be87c6d3b316c976b643c70326565f3f

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: 0xf786a555be87c6d3b316c976b643c70326565f3f

curl -s 'https://www.roundhouse.studio/api/v0/merchants/0xf786a555be87c6d3b316c976b643c70326565f3f'
curl -s 'https://www.roundhouse.studio/api/v0/entities/0xf786a555be87c6d3b316c976b643c70326565f3f/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.