# Agent Dev Tools – UUID Generator (x402)

> Agent Dev Tools – UUID Generator (x402) is a paid API for AI agents from agent-dev-tools.frcompanycheck.workers.dev, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-12).

Generates one or more UUID v4 or v7 values on demand, paid per call in USDC via x402 with no account or API key required.

## Facts

- Endpoint: GET https://agent-dev-tools.frcompanycheck.workers.dev/v1/uuid?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agent-dev-tools-uuid-generator-x402-223ac540
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_B4nnzAO36_6GeU_kmF0-0

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 agent-dev-tools-uuid-generator-x402-223ac540
```

Example prompt: Generate 5 UUID v4 values for me right now — I need them for new database record IDs.

## When to prefer this

Choose this endpoint when an AI agent needs RFC-compliant UUID v4 (random) or UUID v7 (time-ordered) values instantly with no account setup, no API key, and no rate-limit negotiation — just pay $0.001 USDC per call. Ideal for agents that need small or large batches of UUIDs on demand within an automated workflow, and when errors should never cost anything.

## Known failure modes

- Invalid version parameter (not 4 or 7) returns an error, no charge applied
- Count out of range (less than 1 or greater than 100) returns a validation error, no charge applied
- Payment failure via x402 (insufficient USDC balance or wallet misconfiguration) blocks the call
- Network or Cloudflare Worker downtime returns a 5xx error

## How this service works

Fast deterministic developer utilities for AI agents, paid per call in USDC via x402 (no account, no API key): UUID v4/v7, secure random numbers, dice, MD5/SHA/HMAC hashing, base64/hex/URL/HTML encoding, JSON validation/formatting, QR code SVG, password generation, JWT decoding and text statistics. Pure computation, nothing stored. Errors are never charged.

## Output

A JSON object containing an array of generated UUID strings (field: `uuids`) and the version number used (field: `version`). For example: {"uuids":["3b241101-e2bb-4255-8caf-4136c566a962"],"version":4}. Up to 100 UUIDs can be returned in a single call.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "count": {
       "type": "integer",
       "example": 1,
       "description": "1-100 (default 1)"
      },
      "version": {
       "type": "integer",
       "example": 4,
       "description": "4 or 7 (default 4)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "uuids": [
   "3b241101-e2bb-4255-8caf-4136c566a962"
  ],
  "version": 4
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agent-dev-tools-uuid-generator-x402-223ac540/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agent-dev-tools.frcompanycheck.workers.dev](https://www.zero.xyz/host/agent-dev-tools.frcompanycheck.workers.dev/llms.txt)