Tool detail

Base64 Codec

Encodes or decodes base64 text, with standard or URL-safe alphabets, and errors on invalid decode input rather than returning garbage.

Categories: Utilities

Use when

encode a string to base64
decode a base64 string back to text
decode a URL-safe base64 token

Not for

not for binary file uploads, text input only
not for other encodings like hex or base32

Inputs

POST JSON body: { mode: 'encode'|'decode', input: string } (required), urlsafe: boolean (optional)

Admitted input schema

{
  "type": "object",
  "properties": {
    "input": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096
    },
    "mode": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "enum": [
        "encode",
        "decode"
      ]
    },
    "urlsafe": {
      "type": "boolean"
    }
  },
  "required": [
    "mode",
    "input"
  ],
  "additionalProperties": false
}

Endpoint

Method: POST
URL: https://x402-echo-service.onrender.com/base64

Payment

Protocol: x402
Listed price: 0.001 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: POST https://x402-echo-service.onrender.com/base64
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z