# ONE Engine JSON Analysis Pack T2

> ONE Engine JSON Analysis Pack T2 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).

Performs tier-2 JSON analysis on an arbitrary input value, returning a structured analysis result via a pay-per-call x402 micropayment on Base.

## Facts

- Endpoint: POST https://one-search.one-engine.workers.dev/v2/json-analysis-pack/t2?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-json-analysis-pack-t2-8c1e8670
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_1ou9j9Wb8CKpKk2bQ79xB

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-json-analysis-pack-t2-8c1e8670 -d '<json body>'
```

Example prompt: Analyze this JSON value using the ONE Engine tier-2 analysis pack and give me the structured result: {"items": [1, 2, 3], "label": "test-batch"}.

## When to prefer this

Choose this endpoint when you need a low-cost, pay-per-call JSON analysis on arbitrary data and are operating within an x402-enabled agent framework on Base. It is best suited for autonomous agents that need lightweight structured analysis without committing to a subscription or higher-cost API.

## Known failure modes

- Payment not provided or insufficient USDC — 402 Payment Required response
- Malformed or missing 'value' field in request body — likely returns an error or empty result
- Network timeout on Cloudflare Worker — intermittent 5xx
- Unsupported value type — unpredictable tier-2 output or error
- Rate limiting if too many rapid calls from the same agent

## How this service works

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

## Output

Returns a JSON object containing a 'tier' field (set to 2) and a 'result' field with tier-dependent analysis output derived from the submitted value.

## Request schema (JSON Schema)

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

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "tier": 2,
  "result": "Tier-dependent output"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/one-engine-json-analysis-pack-t2-8c1e8670/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)