agentutility — paid x402 endpoints for autonomous agents is a paid API for AI agents from x402.agentutility.ai, paid per call via x402, $0.06/call, status unknown (last checked 2026-09-15).
Paid x402 endpoints organized into product clusters. USDC-settled on Base. MCP-callable. ERC-8004 identity registry agentId 47167.
POSThttps://x402.agentutility.ai/grounded-answer-checkNone
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
{
"type": "json",
"example": {
"answer": "Paris is the capital of France. It sits on the Seine river.",
"degraded": false,
"evidence": [
{
"url": "https://example.com/paris",
"title": "Paris facts",
"supports": true
}
],
"question": "What is the capital of France?",
"generated": true,
"grounding": {
"supported": true,
"support_score": 1,
"unsupported_spans": []
},
"components": [
{
"ms": 4200,
"ok": true,
"name": "answer-web"
},
{
"ms": 620,
"ok": true,
"name": "web-search"
}
],
"composed_of": [
"answer-web",
"web-search",
"wikipedia-search",
"retrieval-rerank",
"citation-verify"
]
}
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