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Agent Payload Tools – Base64 Encode/Decode
x402
Agent Payload Tools – Base64 Encode/Decode is a paid API for AI agents from api.agent-payload-tools.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-15).
Encodes UTF-8 text to Base64 or decodes Base64 back to UTF-8 text, deterministically, for AI agents.
Price / call$0.001
Success—
StatusUnknown
How this service works
Encode UTF-8 text to Base64 or decode Base64 to UTF-8 text.
Output
Returns a JSON object containing the transformed string — either the Base64-encoded representation of the input UTF-8 text, or the decoded UTF-8 plaintext from the input Base64 string, depending on the mode specified.
Example use cases
Encode credentials for HTTP Basic Auth
“I need to base64-encode 'myUsername:mySecretPassword' so I can use it in an HTTP Authorization header — can you encode that string for me?”
Decode a JWT payload segment
“Can you base64-decode this string for me so I can read what's inside it: 'eyJ1c2VySWQiOiAxMjM0NSwgInJvbGUiOiAiYWRtaW4ifQ=='?”
Encode binary-safe data for JSON embedding
“I'm building a JSON payload and need to safely embed this raw text as a base64 value — please encode 'user:token=abc123&scope=read,write' for me.”
Technical details
Endpoint
POSThttps://api.agent-payload-tools.workers.dev/base64When to prefer
Prefer this endpoint when an AI agent pipeline needs a deterministic, stateless, pay-per-call Base64 encode or decode operation without provisioning any infrastructure. Especially useful when the agent already operates within the x402 micropayment ecosystem on Base or Solana and needs a reliable utility function for payload construction or parsing.
Side effects
- Invalid Base64 input when mode is 'decode' — returns an error indicating malformed input
- Missing or empty 'input' field — may return an empty result or validation error
- Unsupported mode value other than 'encode' or 'decode' — returns a schema validation error
- Payment failure via x402 — returns 402 Payment Required if USDC payment is not attached or insufficient
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| mode | string | Whether to encode or decode the input. |
| input | string | UTF-8 text or Base64 text, according to mode. |
Tags
x402
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