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revert.wtf x402 Payment Explainer
x402
revert.wtf x402 Payment Explainer is a paid API for AI agents from revert.wtf, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Explains the x402 payment requirements and request details for a given API endpoint by parsing raw HTTP 402 response data.
Price / call$0.001
Success—
StatusUnknown
How this service works
Paid hosted deterministic explanation for EVM/RPC/wallet/UserOperation/x402 errors. Send raw pasted error JSON, text, or revert bytes.
Output
Returns a structured explanation of the x402 payment requirements embedded in the raw 402 response, including accepted payment options, amounts, currencies, and request details needed to fulfill the payment.
Example use cases
Example prompt
“I got a 402 response from an API and I'm not sure what payment it's asking for — can you explain the x402 payment requirements from this raw response: 'X-Payment-Required: ...'?”
Technical details
Endpoint
POSThttps://revert.wtf/api/x402/explainWhen to prefer
Use this endpoint when an agent receives an HTTP 402 response and needs to understand what x402 payment is required before proceeding — particularly useful for programmatically discovering payment options, amounts, and accepted tokens without manual parsing. Prefer this over manual parsing or the sibling payment-selection endpoint when the goal is to first understand requirements before committing to a payment option.
Side effects
- Missing or empty 'raw' field returns an error or empty explanation
- Malformed or non-x402 raw input may produce incomplete or incorrect explanations
- Unrecognized x402 schema versions may not parse correctly
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| raw | string |
Tags
x402
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