Services: —Endpoints: —Facilitators: —Total Volume: —7d Vol: —24h Vol: —
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DevX x402 Preflight

LIVE ON-CHAINBaseN/A

x402 preflight: before your agent signs a payment, fetch a paywalled URL's 402 and lint it. Parses v1 bodies and v2 PAYMENT-REQUIRED headers, then checks each accepts[] option: known network, canonical USDC, EIP-712 domain (extra.name/version) that a signature will verify against, EIP-55 payTo, zero/contract payTo, amount sanity, timeout, testnet, resource-host mismatch. Returns ok/warn/block per option, findings and the recommended option.

Last updated 1h ago

73
Trust
100%
Uptime
154 ms
Latency
$1.16*
Volume (30d)

Overview

Protocolx402
FacilitatorCoinbase
Payment assetUSD Coin
Networkbase
Categoryllm-inference
Sourcepayai-bazaar

Health

StatusOperational
Uptime (window)100%
Success rate—
Confidence52%
Quotes (14d)1
Last checked10/30/2026, 6:18:53 PM

Wallets

On-chain payment destinations for this service, with each wallet’s current USDC balance. Click an address to view it on the block explorer.

Base0xB3cDDccEe6B150c8efFD55B961afc0Ecefe7f247PRIMARY$11.41USDC balance

Latest x402 transactions

On-chain USDC settlements received on Base · 0xB3cDDccEe6B150c8efFD55B961afc0Ecefe7f247 · balance $11.41 USDC

AmountDatePayerFacilitatorTx
$0.015h ago0x70508de1945ea63d02a251bfddc4aaa23ea47423 Coinbase0x969aac…8d3c0f
$0.0055h ago0x70508de1945ea63d02a251bfddc4aaa23ea47423 Coinbase0xd3d911…814321
$0.0055h ago0x70508de1945ea63d02a251bfddc4aaa23ea47423 Coinbase0xf25c0f…6bffea
$0.0055h ago0x70508de1945ea63d02a251bfddc4aaa23ea47423 Coinbase0x5148a0…8c5a9a
$0.015h ago0x70508de1945ea63d02a251bfddc4aaa23ea47423 Coinbase0x83efc9…1b2658
$0.015h ago0x70508de1945ea63d02a251bfddc4aaa23ea47423 Coinbase0x7886bf…db7bda
$0.015h ago0x70508de1945ea63d02a251bfddc4aaa23ea47423 Coinbase0x7b085c…af80a4
$0.0055h ago0xb3cddccee6b150c8effd55b961afc0ecefe7f247 PayAI0x2ee033…990982
$0.0055h ago0xb3cddccee6b150c8effd55b961afc0ecefe7f247 PayAI0x27d587…58631b
$0.015h ago0xb3cddccee6b150c8effd55b961afc0ecefe7f247 PayAI0x594610…a226c6
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Endpoints (1)

Schema API (all endpoints) ↗

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