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Base64 Encode / Decode
x402
Base64 Encode / Decode is a paid API for AI agents from grokzilla.shop, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-11).
Encodes UTF-8 text to base64 or decodes base64 back to text, supporting standard and URL-safe alphabets, with no network calls.
Price / call$0.003
Success—
StatusUnknown
How this service works
Base64-encode UTF-8 text or decode base64 back to text, standard or URL-safe alphabet. Deterministic, no network.
Output
Returns a JSON object with the converted string — either the base64-encoded representation of the input text or the decoded UTF-8 text, depending on the chosen mode. The operation is deterministic and requires no network access.
Example use cases
Encode credentials for Basic Auth
“I need to create an HTTP Basic Auth header — base64-encode the string 'myuser:s3cr3tP@ssw0rd' for me using standard alphabet.”
Decode a JWT payload segment
“Can you decode this base64 segment from a JWT payload back to readable JSON? Here it is: eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIn0”
URL-safe encode a file upload token
“Encode this token string 'upload+key/2024==extra' to URL-safe base64 so I can safely embed it in a query parameter.”
Technical details
Endpoint
POSThttps://grokzilla.shop/api/skills/base64?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a lightweight, deterministic base64 encode or decode operation without spinning up a local library or executing code. Ideal for agents in sandboxed environments that lack access to native encoding utilities, or when you need URL-safe base64 specifically toggled via a parameter rather than manual alphabet substitution.
Side effects
- Invalid base64 input when decoding (malformed characters or incorrect padding) returns an error
- Text exceeding the 400,000 character limit is rejected
- Missing required fields (mode or text) cause a validation error
- Requesting decode on non-base64 content may return a decoding error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| mode | string | |
| text | string | |
| url_safe | boolean |
Tags
x402
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