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Decode Base64 / Base64URL to Bytes and Text
x402
Decode Base64 / Base64URL to Bytes and Text is a paid API for AI agents from twin.unykorn.org, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-29).
Decodes a base64 or base64url-encoded string into its raw bytes and human-readable text representation
Price / call$0.001
Success—
StatusUnknown
How this service works
Decode base64 or base64url to bytes and text — Genesis402 / UnyKorn Operator Network
Output
Returns a JSON object with ok=true, the decoded bytes and text representation of the input, the transformation type identifier ('decode-base64'), and a payment receipt containing the blockchain transaction hash, USD cost, and a unique receipt ID for the x402 micropayment.
Example use cases
Decode JWT payload segment
“I have the payload segment of a JWT token — it's base64url encoded: 'eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ' — can you decode it so I can read the claims inside?”
Inspect encoded API response
“This API returned a base64 blob that I need to read: 'dGhpcyBpcyBhIHNlY3JldCBtZXNzYWdl' — decode it for me so I can see the underlying text.”
Decode embedded configuration data
“There's a base64url string in this config file I'm debugging — 'dXNlcjphZG1pbjpwYXNzd29yZA==' — what does it actually say when decoded?”
Technical details
Endpoint
POSThttps://twin.unykorn.org/decode-base64?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a pay-per-call, trustless base64/base64url decoding utility within an x402 micropayment workflow — particularly useful for AI agents operating autonomously that need on-demand encoding utilities without managing API keys, and when an auditable on-chain payment receipt per operation is desirable.
Side effects
- Invalid base64 characters in input string cause decoding failure
- Malformed or incomplete base64 padding may return an error
- Empty or missing 'data' parameter returns a validation error
- Payment failure via x402 protocol prevents execution and returns 402 status
- Network timeout on the UnyKorn relay
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| params | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"type": "decode-base64",
"receipt": {
"tx_hash": "0x<64hex>",
"amount_usd": 0.25,
"receipt_id": "g402-<16hex>"
},
"generated_at": "<iso8601>"
}
}Tags
x402
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