# PennyRail Batch Utility Multi-Tool

> PennyRail Batch Utility Multi-Tool is a paid API for AI agents from pennyrail.vercel.app, paid per call via x402, $0.01/call, status down (last checked 2026-10-23).

Executes a batch of heterogeneous utility operations in a single paid API call via x402 micropayment settlement

## Facts

- Endpoint: POST https://pennyrail.vercel.app/api/p/standard/batch.utility--multi-tool-batch?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: down
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/pennyrail-batch-utility-multi-tool-cd7dc694
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_xv4DS826CwBBhL5eDpVOg

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 pennyrail-batch-utility-multi-tool-cd7dc694 -d '<json body>'
```

Example prompt: Run a batch of utility operations through PennyRail in one go — I need to process these multiple tasks together as a single multi-tool batch call, and pay the $0.01 USDC settlement fee.

## When to prefer this

Choose this endpoint when you need to execute multiple heterogeneous utility operations in a single HTTP round trip and want to minimize per-call micropayment overhead. It is best when you have a known set of mixed utility tasks that can be bundled together. Avoid if you need guaranteed per-operation error handling or if the operations are interdependent in ways that require sequential chaining with conditional logic.

## Known failure modes

- Payment not settled — x402 payment header missing or incorrect, returns 402 Payment Required
- Malformed input object — missing required 'input' property or invalid JSON, returns 400
- One or more batch sub-operations fail silently or partially, included in response body
- Vercel cold-start or timeout if batch is too large
- Ambiguous response schema makes it hard to parse individual operation results

## How this service works

Machine-readable settlement service

## Output

A JSON object with unrestricted additional properties, containing the aggregated results of all operations submitted in the batch. The shape varies depending on which utility tools were invoked.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "additionalProperties": true
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/pennyrail-batch-utility-multi-tool-cd7dc694/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from pennyrail.vercel.app](https://www.zero.xyz/host/pennyrail.vercel.app/llms.txt)