x402 Protocol Status
x402 Version2
Networkeip155:8453 (Base Mainnet)
AssetUSDC (0x8335...0291)
FacilitatorCDP (Coinbase)
Receiver0xa5fE...381a
Payment HeaderPAYMENT-SIGNATURE
Response HeaderPAYMENT-REQUIRED + PAYMENT-RESPONSE
Bazaar Discovery Endpoints
Standard/.well-known/x402/resources
HyperGrowth/.well-known/hypergrowth/x402/resources
Short/x402/resources
Detail/x402/resources/:serviceId
Docs/x402/resources/:serviceId/docs
Bazaar ExtensionIn PAYMENT-REQUIRED header
x402 Payment Flow (Live Test)
1. POST /x402/:path
→
2. HTTP 402 + PAYMENT-REQUIRED
→
3. Sign USDC TransferWithAuth
→
4. Retry + payment-signature
→
5. CDP Facilitator Verify+Settle
→
6. HTTP 200 + Artifact
Promoted SKUs6 edge sellable services
Bazaar Intentional Settle6/6 artifact 200 (2026-06-16)
CDP Indexpending (up to ~6h lag)
Discovery/.well-known/x402 + SKILL.md
Canonical EntryPOST /v1/{sku}
Agent Skill/.well-known/hypergrowth/SKILL.md
Bazaar Extension in PAYMENT-REQUIRED Header
{
"bazaar": {
"info": {
"input": { "type": "http", "bodyType": "json", "method": "POST" },
"output": { "type": "json" },
"quoteFlow": { "requiresQuoteIdOnPaidRetry": true }
},
"schema": {
"type": "object",
"required": ["input"],
"properties": {
"input": {
"type": "object",
"required": ["body"],
"properties": { "body": { "type": "object" } }
},
"output": { "type": "object" }
}
}
}
}