x402 merchant
SYNTHORA$0.03 / callapi.hergertsynthora.com
DefiYieldsApyRiskStablecoins

SYNTHORA defi-yields: stablecoin DeFi yields ranked with a risk outlier detector — APY vs class median (>=3x median = the excess yield IS the risk price). Only pools with TVL >= $10M. Source: DefiLlama, free, no key. $0.03 USDC x402 Base.

MerchantReport

0xef87…5e06

0xef879bfd6c4accb8f795136de90246e1ec245e06Explorer
Received
$1.70↑ 473%
Last 7d vs prior 7d
Paid out
$0.00
Last 7d vs prior 7d
Settlements
78↑ 333%
Last 7d vs prior 7d
26
Distinct counterparties
Over the whole indexed history

Received $1.70 of the $258.32M Roundhouse has indexed across 712,831 walletsless than 0.0001% of it.

Chains (from the recent scan): Base (78)

Funds flow over time

Activity

MarAprMayJunJulAugSep
LessMore

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

Frequent counterparties

CounterpartySent to themReceived from themSettlementsLast
0x35ed…3e59$0.00$0.36124d agoGraph
0xc9c7…1670$0.00$0.36142h agoGraph
0xe3ba…3fb3$0.00$0.17119d agoGraph
0x3897…8c3d$0.00$0.13618h agoGraph
0x91f1…f880$0.00$0.1132d agoGraph
0xebd6…e2e0$0.00$0.10116d agoGraph
0x4db7…02b7$0.00$0.08218d agoGraph
0xb56c…de00$0.00$0.05112h 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 78 observed settlements.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0xc9c7…16700xef87…5e06Base$0.03100%coinbase2h ago0xfa1169…623dc6
0xb56c…de000xef87…5e06Base$0.05100%coinbase12h ago0xcb61a4…56fad8
0x3897…8c3d0xef87…5e06Base$0.03100%coinbase18h ago0x86e232…527e41
0x3897…8c3d0xef87…5e06Base$0.03100%coinbase18h ago0x690c03…ea39fe
0x3897…8c3d0xef87…5e06Base$0.03100%coinbase18h ago0xe57b24…8cba20
0x3897…8c3d0xef87…5e06Base$0.03100%coinbase18h ago0xd25154…77fe9c
0xc9c7…16700xef87…5e06Base$0.01100%coinbase20h ago0x3ca589…ca8ba3
0xc9c7…16700xef87…5e06Base$0.03100%coinbase20h ago0x974a8e…9807fa
0x4c29…94940xef87…5e06Base$0.03100%coinbase1d ago0xcc2df3…e5e48a
0xc9c7…16700xef87…5e06Base$0.03100%coinbase2d ago0xb13fae…123c41
0x91f1…f8800xef87…5e06Base$0.05100%coinbase2d ago0xdabec4…ea59f5
0xc9c7…16700xef87…5e06Base$0.03100%coinbase3d ago0x28fcca…0b5d0d
0x35ed…3e590xef87…5e06Base$0.03100%coinbase4d ago0x5a12ab…999ea0
0x35ed…3e590xef87…5e06Base$0.03100%coinbase4d ago0x986cca…7d2f89
0x35ed…3e590xef87…5e06Base$0.03100%coinbase4d ago0x254ddc…c774a7
0x35ed…3e590xef87…5e06Base$0.05100%coinbase4d ago0x39c211…0e7654
0x35ed…3e590xef87…5e06Base$0.05100%coinbase4d ago0xbeb341…1c34c7
0x35ed…3e590xef87…5e06Base$0.001100%coinbase4d ago0x4d516b…35c948
0x35ed…3e590xef87…5e06Base$0.03100%coinbase4d ago0xa44139…cea037
0x35ed…3e590xef87…5e06Base$0.0570%0x2772…8c174d ago0x853f5d…2f55fe
0x35ed…3e590xef87…5e06Base$0.03100%coinbase4d ago0xed428a…25f9a7
0x35ed…3e590xef87…5e06Base$0.001100%coinbase4d ago0x789d93…c9639e
0x35ed…3e590xef87…5e06Base$0.03100%coinbase4d ago0x1cb754…3afdfa
0x35ed…3e590xef87…5e06Base$0.03100%coinbase4d ago0x86b188…fe8e50
0x91f1…f8800xef87…5e06Base$0.03100%coinbase5d ago0x5e0139…20a23d

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0xef87…5e06's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0xef879bfd6c4accb8f795136de90246e1ec245e06

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: 0xef879bfd6c4accb8f795136de90246e1ec245e06

curl -s 'https://api.roundhouseai.io/v0/merchants/0xef879bfd6c4accb8f795136de90246e1ec245e06'
curl -s 'https://api.roundhouseai.io/v0/entities/0xef879bfd6c4accb8f795136de90246e1ec245e06/settlements?limit=50'

The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except
/v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402,
or use an organization key from https://roundhouseai.io/dashboard/team.

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