byDexterDexterbeta
DashboardSearch
Explorer
ProtocolsChainsFacilitatorsServersResourcesTransactionsLifetime
Dexter Products
OpenDexterInstinct
Intelligence
WashCircleChannels
Skills
Browse SkillsBuild a Skill
StatusDocsAboutBlog
DexterDexter

The real-time explorer for the x402 paid web. 8 chains. Quality-scored APIs. Live settlement data.

Explore

  • Facilitators
  • Servers
  • Resources
  • Transactions

Developers

  • API Docs
  • GitHub
  • x402 SDK
  • OpenDexter
  • Status

Company

  • About
  • Blog
  • Terms of Service
  • Privacy Policy
  • Contact
© 2026 Dexter Labs CorporationPowered by the x402 protocol
DashboardSearch
Explorer
ProtocolsChainsFacilitatorsServersResourcesTransactionsLifetime
Dexter Products
OpenDexterInstinct
Intelligence
WashCircleChannels
Skills
Browse SkillsBuild a Skill
StatusDocsAboutBlog
Dashboard/Resources/Payment Proof API
SolanaBasePolygonArbitrumOptimismAvalancheBNBSKALE
SolanaBasePolygonArbitrumOptimismAvalancheBNBSKALE

Payment Proof API

https://quartermaster.surewhynot.app/v1/payment-proof
quartermaster.surewhynot.app·first seen 4d ago

Verifies payment proof for an x402-protected endpoint on Base using USDC.

Promote on Instinct

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
$0.00across0settlements·$0.00avg
0 all-time buyers0 all-time sellersall-time $0.00 / 0 settlements

Settlement Volume

This endpoint shares a payment address with 28 other resources on quartermaster.surewhynot.app, so the breakdown below is shown at the server level — per-resource activity can't be isolated on-chain for shared addresses.

Facilitators
CoinbaseCoinbase2 calls$0.003
Chains
BaseBase2 calls$0.003
Settlement Address
0xc2a36e22ecbf353086cf83e7beea78bc28a64083
Shared with 27 other resources
last verified 7h ago