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X402-BROKER 402 Compliance Check
x402
X402-BROKER 402 Compliance Check is a paid API for AI agents from mcp-gateway.agentdiet.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-22).
Checks x402/L402 payment compliance and returns execution metadata for a given HTTP endpoint URL via the X402-BROKER gateway
Price / call$0.01
Success—
StatusUnknown
How this service works
Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://mcp-gateway.agentdiet.dev settling in USDC on Base.
Output
Returns a JSON object with a status field ('ok' or error), a data payload containing the compliance result for the queried endpoint, and an roi_proof object that includes a compression_ratio_pct metric indicating how efficiently the gateway processed the request.
Example use cases
Verify MCP server payment compliance
“Before I route my agent to call that MCP tool, can you check if https://tools.example-mcp.com/search is x402 compliant and tell me what the compliance status looks like?”
Validate x402 support before agent payment
“I want to make sure https://api.agentservice.io/data supports x402 USDC payments on Base before my agent tries to call it — can you run a compliance check on it?”
Inspect A2A endpoint protocol readiness
“Can you verify that https://agent.marketplace.dev/v1/execute supports the L402 or x402 payment protocol and show me the compliance proof?”
Technical details
Endpoint
GEThttps://mcp-gateway.agentdiet.dev/v1/402-compliance?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to programmatically verify whether a specific URL/API endpoint supports the x402, L402, or MCP payment protocol before routing an agent call or executing a micropayment. It is the right choice when you want a deterministic compliance check with proof-of-processing metadata (ROI/compression ratio), and when you are operating within the X402-BROKER ecosystem settling in USDC on Base.
Side effects
- Missing or invalid 'url' query parameter returns an error status
- Target URL not reachable or not x402-registered returns a non-compliant result
- Invalid HTTP method (not GET or POST) causes schema validation failure
- Input type not set to 'http' causes request rejection
- Payment of $0.01 USDC not settled on Base causes 402 response before execution
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"data": {},
"status": "ok",
"roi_proof": {
"compression_ratio_pct": 91.4
}
}
}Tags
x402
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