# KEVAREMESH Secure Random Number Generator

> KEVAREMESH Secure Random Number Generator is a paid API for AI agents from kevaremesh-web.vercel.app, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).

Generates cryptographically secure random values (hex bytes and/or bounded integers) using Web Crypto getRandomValues

## Facts

- Endpoint: POST https://kevaremesh-web.vercel.app/api/x402/secure-random-cdp-secure-random?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/kevaremesh-secure-random-number-generator-8b832da2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_dcr2_4Lq7xbz6scz2dQLy

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 kevaremesh-secure-random-number-generator-8b832da2 -d '<json body>'
```

Example prompt: Give me a cryptographically secure random integer between 1 and 100, plus a 32-byte random hex string using the KEVAREMESH secure random generator.

## When to prefer this

Choose this endpoint when you need cryptographically secure random values with an auditable paid-API trail, particularly for blockchain, cryptographic, or security-sensitive workflows. Prefer it over free or pseudo-random sources when verifiability and entropy quality matter. It is well-suited for AI agents that need random values as part of automated signing, token generation, or simulation pipelines, and when a cost-per-call model is acceptable for quality assurance.

## Known failure modes

- bytes parameter exceeds 1024 — returns validation error
- min greater than or equal to max when integer range is requested — returns error
- Payment not included or invalid — returns 402 Payment Required
- bytes parameter missing or non-integer — returns schema validation error
- Service unavailability on Vercel edge — returns 500 or timeout

## How this service works

Buyer-first MCP procurement gateway that discovers, compares and routes live x402 APIs without making the buyer choose a provider.

## Output

Returns a JSON object containing: a hex-encoded random byte string (length determined by 'bytes' param), the number of bytes generated, optional random integer bounded by min/max, the randomness source label ('Web Crypto getRandomValues'), a product/service identifier, generation timestamp, and any limitations such as the absence of a public randomness beacon.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "max": {
   "type": "integer"
  },
  "min": {
   "type": "integer"
  },
  "bytes": {
   "type": "integer",
   "default": 32,
   "maximum": 1024,
   "minimum": 1
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "result": {
   "hex": "0000000000000000000000000000000000000000000000000000000000000000",
   "bytes": 32,
   "range": {
    "max": 6,
    "min": 1
   },
   "source": "Web Crypto getRandomValues",
   "integer": 4
  },
  "product": "kevaremesh_secure_random_cdp_secure_random_v2",
  "service": "KEVAREMESH",
  "tool_name": "kevaremesh_secure_random",
  "limitations": [
   "No public randomness beacon"
  ],
  "generated_at": "2026-09-18T00:00:00.000Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/kevaremesh-secure-random-number-generator-8b832da2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from kevaremesh-web.vercel.app](https://www.zero.xyz/host/kevaremesh-web.vercel.app/llms.txt)