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The real-time explorer for the x402 paid web. 11 chains. Quality-scored APIs. Live settlement data.

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Dashboard/Resources/Arbitrum Transaction Preflight
SolanaBasePolygonArbitrumOptimismAvalancheBNBSKALEWorld ChainMonadRobinhood
SolanaBasePolygonArbitrumOptimismAvalancheBNBSKALEWorld ChainMonadRobinhood
arbitrum-mpp-transaction-preflight-production.up.railway.app

Arbitrum Transaction Preflight

92
https://arbitrum-mpp-transaction-preflight-production.up.railway.app/x402/v1/preflight
arbitrum-mpp-transaction-preflight-production.up.railway.app·first seen 9d ago

Simulates and analyzes Ethereum transactions on Arbitrum One before submission. Returns chain details, gas estimates, simulation success, and basic risk signals.

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Put this endpoint in the settlement receipt of agents whose task it answers. You pay only when the recommendation converts on-chain.

x402 · guided commerceStart a campaign
$0.10across1settlements·$0.10avg
2 all-time buyers1 all-time sellersall-time $2.00 / 20 settlements

Settlement Volume

Facilitators
CoinbaseCoinbase1 calls$0.10
Chains
ArbitrumArbitrum1 calls$0.10
Settlement Address
0x20cefa1804905878458390e6b6719c4b1d45a0b7
last verified 20h ago