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Independent MeasurementPurchase lanesLedger read
vet402State of x4022026-10-26

x402 and MPP payments by chain

vet402 measures Base (USDC over x402), Solana (USDC over x402), Tempo (USDC.e over MPP, the Machine Payments Protocol), XRPL (RLUSD over x402), Arc (USDC over x402), Celo (USDC over x402), Stellar (USDC over x402), Arbitrum One (USDC over x402), and BNB Chain (USD1 over x402).

A count appears when that ledger read has a row for the chain. An empty read shows no counts.

1.Purchase lanes

  • x402 payments on Base (USDC)

    vet402 measures x402 payments on Base. The pinned settlement asset on Base is USDC. This read: 15,542 paid attempts, 9,917 settled, 9,204 delivered.

  • x402 payments on Solana (USDC)

    vet402 measures x402 payments on Solana. The pinned settlement asset on Solana is USDC. This read: 1,067 paid attempts, 789 settled, 748 delivered.

  • Agent payments on Tempo over MPP (USDC.e)

    vet402 measures agent payments on Tempo over MPP (Machine Payments Protocol). The pinned settlement asset on Tempo is USDC.e. This read: 333 paid attempts, 302 settled, 86 delivered.

  • x402 payments on XRPL (RLUSD)

    vet402 measures x402 payments on XRPL. The pinned settlement asset on XRPL is RLUSD, and settlement goes through the t54 facilitator. This read: 210 paid attempts, 97 settled, 73 delivered.

  • x402 payments on Arc (USDC)

    vet402 measures x402 payments on Arc. The pinned settlement asset on Arc is USDC. This read: 170 paid attempts, 79 settled, 79 delivered.

  • x402 payments on Celo (USDC)

    vet402 measures x402 payments on Celo. The pinned settlement asset on Celo is USDC. This read: 212 paid attempts, 178 settled, 173 delivered.

  • x402 payments on Stellar (USDC)

    vet402 measures x402 payments on Stellar. The pinned settlement asset on Stellar is USDC. This read: 112 paid attempts, 104 settled, 104 delivered.

  • x402 payments on Arbitrum One (USDC)

    vet402 measures x402 payments on Arbitrum One. The pinned settlement asset on Arbitrum One is USDC. This read: 107 paid attempts, 58 settled, 57 delivered.

  • x402 payments on BNB Chain (USD1)

    vet402 measures x402 payments on BNB Chain. The pinned settlement asset on BNB Chain is USD1. This read: 79 paid attempts, 53 settled, 50 delivered.

Source: /api/v1/observatory/state (CC BY 4.0). How an agent pays with a stablecoin: stablecoin payments. How to check a seller first: check a seller before paying.