# AgentShelf Base45 Encoder

> AgentShelf Base45 Encoder is a paid API for AI agents from agentshelf.syntexa.ch, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-02).

Encodes a text string using the Base45 encoding scheme, returning the Base45-encoded result with no network calls or LLM involvement.

## Facts

- Endpoint: POST https://agentshelf.syntexa.ch/v1/base45-encode?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentshelf-base45-encoder-695e5599
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_bfMS-sSO5eycNayRfNRbk

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability agentshelf-base45-encoder-695e5599 -d '<json body>'
```

Example prompt: Can you encode this text using base45: 'Hello, World! This is my payload.'

## When to prefer this

Use this endpoint when you need a reliable, deterministic Base45 encoding of a text payload without any network dependencies or LLM involvement. Prefer the free sandbox POST /v1/sandbox/base45-encode first; use this paid endpoint when the sandbox is unavailable or you require production-grade reliability. Choose this over DIY solutions when your agent runtime lacks a native base45 library.

## Known failure modes

- Empty or missing 'text' field returns a validation error
- Input exceeding 100,000 characters is rejected
- Payment failure (insufficient USDC balance) results in 402 response
- Malformed request body returns 400 error

## How this service works

Call when an agent needs text encoded with base45. No network and no LLM. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/base45-encode first.

## Output

Returns the Base45-encoded representation of the input text string, suitable for use in QR codes, digital certificates, or any context requiring Base45 encoding.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string",
   "examples": [
    "Hello, World!"
   ],
   "maxLength": 100000,
   "minLength": 1,
   "description": "Input for this SKU. The route description says whether it is plain text, a URL, base64 bytes, or an already-encoded token."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentshelf-base45-encoder-695e5599/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentshelf.syntexa.ch](https://www.zero.xyz/host/agentshelf.syntexa.ch/llms.txt)