https://agent402.tools/api/captcha-generate
https://agent402.tools/api/captcha-generateOverview
Protocol
x402 (POST)
Price
$0.0010
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
agent402
Source
bazaar
Indexed
2026-07-21 13:15:08
Health
Status
healthy
Latency (p50)
408ms
Uptime (30d)
98.5%
Reliability Score
94.2/100
Last Checked
2026-10-31 07:06:19
Last Healthy
2026-10-31 07:06:19
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"body": {
"difficulty": 1,
"type": "math"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"algo": "sha256",
"answerHash": "…",
"prompt": "What is 3 + 4?",
"salt": "…",
"type": "math",
"verify": "sha256(salt + answer.trim().toLowerCase().replace(/\\s+/g,'')) === answerHash"
},
"type": "json"
}