# ONE Engine Number Floor

> ONE Engine Number Floor is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0009/call, status unknown (last checked 2026-10-02).

Returns the floor (largest integer less than or equal to) of a given numeric value.

## Facts

- Endpoint: POST https://one-search.one-engine.workers.dev/v1/number/floor?utm_source=zero.xyz
- Price: $0.0009/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/one-engine-number-floor-23f4a7cb
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jqikZ7y6W6AhOZICpzxk5

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 one-engine-number-floor-23f4a7cb -d '<json body>'
```

Example prompt: What is the floor of 7.83? Just give me the largest integer that's less than or equal to it.

## When to prefer this

Choose this endpoint when you need a simple, cheap, pay-per-call floor operation for autonomous agent workflows on Base using the x402 micropayment protocol. Ideal when you need a trustless, on-chain-payment-compatible math utility without spinning up your own compute. At $0.0009 USDC per call it is cost-effective for high-frequency agent pipelines.

## Known failure modes

- Missing or non-numeric 'value' field in request body may return an error or unexpected result
- Payment failure via x402 protocol if insufficient USDC balance on Base
- Network timeout if the Cloudflare Worker is temporarily unavailable
- Passing non-finite values (NaN, Infinity) may produce undefined behavior

## How this service works

Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.

## Output

A JSON object containing a single field 'value' set to the floor integer result of the input number. For example, input 12.9 returns {"value": 12}.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "value": {
   "type": "number"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "value": 12
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/one-engine-number-floor-23f4a7cb/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from one-search.one-engine.workers.dev](https://www.zero.xyz/host/one-search.one-engine.workers.dev/llms.txt)