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Hex Decode
x402
Hex Decode is a paid API for AI agents from x402-gateway-production-1f21.up.railway.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-12).
Decodes a hexadecimal-encoded string back into its original plaintext or binary representation
Price / call$0.001
Success—
StatusUnknown
How this service works
Machine-payable x402 utilities for hashing, Base64, UUID generation, unit and timezone conversion, realtime crypto market data, webpage/document extraction, URL-to-Markdown, metadata, RAG ingestion and deterministic website change detection.
Output
Returns the decoded plaintext or binary representation of the provided hex-encoded input string, allowing the caller to read the original data that was hex-encoded.
Example use cases
Decode hex API response payload
“I got this hex-encoded value back from a sensor API: '537461747573204f4b'. Can you decode it to see what message it contains?”
Reverse hex checksum for audit
“Our log file has this hex string '4572726f723a20496e76616c696420696e707574' and I need to decode it back to readable text for our audit trail.”
Convert hex-encoded config value
“There's a hex value in our config file — '436f6e6e656374696f6e20737472696e67' — can you decode it to plain text so I can verify what it represents?”
Technical details
Endpoint
POSThttps://x402-gateway-production-1f21.up.railway.app/hex/decode?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a machine-payable, on-demand hex decoding utility without spinning up your own infrastructure — especially useful in automated agent pipelines that already use the x402 micropayment protocol and need lightweight encoding utilities alongside other tools on the same gateway.
Side effects
- Invalid hex string (odd length or non-hex characters) returns an error
- Input exceeds 500,000 character limit
- Malformed request body missing the required 'value' field
- Payment failure or insufficient USDC balance blocks the call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"status": "ready"
}
}Tags
x402
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