mirrored listing x402 eip155:8453

Generate cryptographically random UUIDv4 identifiers

Generate cryptographically random UUIDv4 identifiers. POST {"count":10} and receive that many unique v4 UUIDs, 1 to 100 per call. Uses the platform CSPRNG. No storage.

1000 (raw units)

price

calls / 30d

unique payers

2026-08-30

updated

Provider

x402-echo-service.onrender.com · discovered, not yet claimed by its owner

Payment (x402 accepts[])

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 300
  }
]

Output schema

{
  "bazaar": {
    "category": "Infra",
    "coverImage": "https://x402-echo-service.onrender.com/icon.png",
    "info": {
      "input": {
        "body": {
          "count": 3
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "count": 3,
          "uuids": [
            "b50c612c-4707-46ce-bbab-aac3fb370d4d",
            "ed918c6c-1580-4418-81a3-69054de640e2",
            "8e9f0c83-78f9-4521-8f26-54fd62ee84b0"
          ]
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "properties": {
            "body": {
              "additionalProperties": false,
              "properties": {
                "count": {
                  "default": 1,
                  "maximum": 100,
                  "minimum": 1,
                  "type": "integer"
                }
              },
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json"
              ]
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http"
            }
          },
          "required": [
            "type",
            "bodyType",
            "body",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "count": {
                  "type": "integer"
                },
                "uuids": {
                  "items": {
                    "type": "string"
                  },
                  "type": "array"
                }
              },
              "required": [
                "count",
                "uuids"
              ],
              "type": "object"
            },
            "type": {
              "const": "json"
            }
          },
          "required": [
            "type",
            "example"
          ],
          "type": "object"
        }
      },
      "required": [
        "input",
        "output"
      ],
      "type": "object"
    },
    "serviceName": "UUID Generator",
    "summary": "Cryptographically random UUIDv4 identifiers, 1 to 100 per call.",
    "tags": [
      "uuid",
      "identifier",
      "random",
      "generator",
      "utility"
    ]
  }
}

Use it

curl

curl "https://x402-echo-service.onrender.com/uuid"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

JavaScript

const res = await fetch("https://x402-echo-service.onrender.com/uuid");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

Python

import httpx
res = httpx.get("https://x402-echo-service.onrender.com/uuid")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header

Machine-readable

Everything on this page is also available as clean JSON at /resources/8183.json, and this resource appears in /discovery/resources and /discovery/search.