x402 merchant
x402 Carbon Retirement API$0.001 / callx402.klimalabs.com ↗
CarbonClimateBase

Entry point to the x402 Carbon Retirement API on Base. Returns every endpoint you need plus a live snapshot of the top 3 carbon classes and marketplace listings by liquidity. Discover, quote and certificate are free. Retiring is paid: each retirement costs the credit price plus a fee, sent from your own wallet (prepare/retire) or relayed from a signed USDC authorization (prepare-auth + POST actions/retire). Full spec at /openapi.json.

MerchantReport

0xf624…2d0e

0xf624f9fe1d3165c5ca32c7fbdbf82f4a5b1d2d0eExplorer
Received
$0.21↓ 12%
Last 7d vs prior 7d
Paid out
$0.00
Last 7d vs prior 7d
Settlements
157↓ 12%
Last 7d vs prior 7d
20
Distinct counterparties
Over the whole indexed history

Received $0.21 of the $3059.45M Roundhouse has indexed across 1,397,164 wallets — less than 0.0001% of it.

Chains (from the recent scan): Base (157)

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
0xfb7e…0451$0.00$0.1312754m agoGraph
0x2559…eee1$0.00$0.05253d agoGraph
0xc9c7…1670$0.00$0.004433d agoGraph
0x5a53…f357$0.00$0.00223d agoGraph
0xa1d1…1978$0.00$0.002210d agoGraph
0xf1f1…57f9$0.00$0.002212d agoGraph
0x7722…5e4a$0.00$0.002216d agoGraph
0xec2a…d034$0.00$0.002229d agoGraph

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

Data quality

62% of observed volume is with a single counterparty, in all 157 observed settlements.

Recent activity

Payer PayeeChainAmountx402RouteAgeTxn hash
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase28d ago0xe0355f…2ed66d
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase29d ago0xed4e12…d41280
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase29d ago0x20a64d…b713d0
0xec2a…d0340xf624…2d0eBaseBase$0.001100%coinbase29d ago0x9e01dd…0a4278
0xec2a…d0340xf624…2d0eBaseBase$0.001100%coinbase29d ago0x510b14…9b66fd
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase29d ago0xcc4bc8…349da5
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase30d ago0xcd1fd2…32ece3
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase30d ago0x80ff50…88fe10
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase30d ago0x73e5ce…c3bfa5
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase31d ago0xbcc45a…0e1d7d
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase31d ago0xe108ba…51be82
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase31d ago0x5e344f…ef2d9e
0x6a0b…45180xf624…2d0eBaseBase$0.001100%coinbase31d ago0xb43184…30c8dc
0x6a0b…45180xf624…2d0eBaseBase$0.001100%coinbase31d ago0xf8d221…9936eb
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase32d ago0x392ae1…72f191
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase32d ago0x57b4ec…f60e92
0xe066…69540xf624…2d0eBaseBase$0.001100%coinbase32d ago0xda0f0a…d32d4a
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase32d ago0x00157b…516e37
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase33d ago0xae0dc4…146c78
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase33d ago0x4a82eb…53f020
0xc9c7…16700xf624…2d0eBaseBase$0.001100%coinbase33d ago0x3d8e4e…5bc74a
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase33d ago0x8dd2ba…6d5e44
0x54e1…f4e00xf624…2d0eBaseBase$0.001100%coinbase33d ago0x241e5e…9752f0
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase34d ago0x8c032c…9f8e2f
0xfb7e…04510xf624…2d0eBaseBase$0.001100%coinbase34d ago0xd3718d…cc483e

Hand this page to an agent

Copy the prompt and paste it into Claude, an MCP client or your own agent — it will check 0xf624…2d0e's payment record before paying it over the free read API. No key, no account.

GET api.roundhouseai.io/v0/merchants/0xf624f9fe1d3165c5ca32c7fbdbf82f4a5b1d2d0e

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: 0xf624f9fe1d3165c5ca32c7fbdbf82f4a5b1d2d0e

curl -s 'https://api.roundhouseai.io/v0/merchants/0xf624f9fe1d3165c5ca32c7fbdbf82f4a5b1d2d0e'
curl -s 'https://api.roundhouseai.io/v0/entities/0xf624f9fe1d3165c5ca32c7fbdbf82f4a5b1d2d0e/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.