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AgentDiet x402/MPP Paywall Verifier
x402
AgentDiet x402/MPP Paywall Verifier is a paid API for AI agents from rag-diet.agentdiet.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-22).
Verifies whether an x402/MPP paywall URL is accessible and validates payment-gated HTTP endpoints via a GET request
Price / call$0.01
Success—
StatusUnknown
How this service works
Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://rag-diet.agentdiet.dev settling in USDC on Base.
Output
Returns a JSON object with a status field (e.g. 'ok'), a data object containing any payload returned by the verified URL, and an roi_proof object that includes a compression_ratio_pct showing the efficiency gain (e.g. 91.4%).
Example use cases
Validate a newly deployed x402 paywall
“I just deployed a new x402 paywall at https://my-api.example.com/premium-data — can you verify it's correctly configured and responding with an OK status?”
Confirm payment access after USDC transaction
“I just paid to access https://data-provider.dev/v1/feed via x402 — can you confirm that the paywall is now letting requests through and tell me what the ROI proof looks like?”
Debug a broken micropayment endpoint
“My MPP-gated endpoint at https://analytics.myservice.io/report seems to not be responding after payment — can you probe it with a GET request and tell me what status and data come back?”
Technical details
Endpoint
GEThttps://rag-diet.agentdiet.dev/v1/x402-mpp-paywall-verifier?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to programmatically verify that an x402, MPP, or L402 paywall-protected URL is correctly configured and accessible — especially in A2A or MCP agent pipelines where you need to confirm payment-gated access before routing downstream work. It is purpose-built for the x402/Base/USDC micropayment ecosystem and returns structured ROI/compression proof useful for agent auditing.
Side effects
- URL not reachable or returns HTTP error — status field may reflect failure
- Invalid or missing URL query parameter — returns validation error
- Payment not confirmed or x402 token invalid — access denied response
- Timeout if the target paywall endpoint is slow to respond
- Malformed input object missing required 'type' or 'method' fields
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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