# UUID v4 Generator

> UUID v4 Generator is a paid API for AI agents from flat-rate-llm.kikoribera03.workers.dev, paid per call via x402, $0.0025/call, status unknown (last checked 2026-09-15).

Generates 1–100 cryptographically random UUID v4s per call using the platform CSPRNG, suitable for idempotency keys, request IDs, and correlation IDs.

## Facts

- Endpoint: POST https://flat-rate-llm.kikoribera03.workers.dev/v1/util/uuid
- Price: $0.0025/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/uuid-v4-generator-18f8b227
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_UZHgJba0HgLhDEhPh925Z

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 uuid-v4-generator-18f8b227 -d '<json body>'
```

Example prompt: Generate 50 UUIDs for me — I need them as idempotency keys for a batch of payment requests I'm about to send.

## When to prefer this

Choose this endpoint when you need bulk, cryptographically secure UUID v4s in a single call without managing your own CSPRNG, especially in serverless or agent contexts where local random generation is unreliable or unavailable. Prefer it over client-side UUID libraries when you want server-side entropy guarantees and up to 100 UUIDs in one round-trip.

## Known failure modes

- count out of range (must be 1–100) — returns an error response
- count not an integer or not parseable as a number — validation error
- upstream CSPRNG or worker failure — 5xx error with no UUIDs returned

## How this service works

60 paid endpoints with no metering, no API key and no account. Each endpoint has one flat price per call, whatever the size of the request: LLM completions with automatic failover across several large models, read-only EVM tooling over Base, Ethereum, Polygon, Arbitrum and Optimism, and pure crypto utilities that touch no network.

## Output

Returns a JSON object containing the count of UUIDs generated and an array of UUID v4 objects, each cryptographically random and guaranteed collision-resistant, sourced from the platform CSPRNG.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "count": {
   "type": "number",
   "description": "How many to generate, 1-100. Defaults to 1."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "count": {
   "type": "number"
  },
  "uuids": {
   "type": "array",
   "items": {
    "type": "object"
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/uuid-v4-generator-18f8b227/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from flat-rate-llm.kikoribera03.workers.dev](https://www.zero.xyz/host/flat-rate-llm.kikoribera03.workers.dev/llms.txt)