分層付款（tier 2）：x402（USDC on Base）付款後回短命簽章收據，供 gauge-frontdesk /pay/verify 驗證。?ref=...
https://aeml-x402.zeabur.app/pay/tier2Overview
分層付款（tier 2）：x402（USDC on Base）付款後回短命簽章收據，供 gauge-frontdesk /pay/verify 驗證。?ref=<query hash>（選）。
Protocol
x402
Price
$0.03
Payment Asset
USD Coin
Payment Network
Base
Category
uncategorized
Provider
aeml-x402
Source
bazaar
Indexed
2026-07-17 02:15:10
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"ref": "選填 — 不透明參照（如 query hash）",
"tier": "固定 2（由路徑決定）"
},
"type": "http"
}
Output Schema
{
"properties": {
"exp": {
"type": "integer"
},
"ok": {
"type": "boolean"
},
"paid_via": {
"type": "string"
},
"receipt": {
"type": "string"
},
"ref": {
"type": [
"string",
"null"
]
},
"tier": {
"type": "integer"
}
},
"type": "object"
}