Overview
Decode an x402 challenge (MCP tool "x402.decode"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Decodes an x402 payment challenge (base64 PAYMENT-REQUIRED header, or the JSON; v2 `amount` and v1 `maxAmountRequired`) into networks, assets, human amounts and payTo. A challenge with no payment options fails (not charged).
Protocol
x402 (POST)
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
naxytra
Indexed
2026-11-10 10:11:05
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
Input Schema
{
"body": {
"id": 1,
"jsonrpc": "2.0",
"method": "tools/call",
"params": {
"arguments": {
"challenge": {
"accepts": [
{
"amount": "10000",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"maxTimeoutSeconds": 300,
"network": "eip155:8453",
"payTo": "0x7cd2E0Ed2721319B20FAac4109774d030833F84D",
"scheme": "exact"
}
],
"x402Version": 2
}
},
"name": "x402.decode"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}