Api Endpoint

hello-world-x402.vercel.app

Returns a personalized greeting after receiving an exact USD Coin payment (amount 1000 on eip155:8453) with a 300s payment timeout.

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Offering

Provider
hello-world-x402.vercel.app
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Blockchain And Crypto
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://hello-world-x402.vercel.app/greet
MIME type
application/json
First seen
2026-10-16T01:58:26.121Z
Last seen
Tags
None supplied

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x2a47E248ee3B5f3e680b5F6B5832E5EF1206b7e3"
  }
]

Observed health

Status
Healthy
Latest latency
49 ms
Average latency
275 ms
HTTP status
402
Last checked
Reachability
100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string",
          "description": "Person's name - UPDATED",
          "minLength": 1,
          "maxLength": 100
        },
        "age": {
          "type": "number",
          "description": "Person's age - UPDATED max to 120",
          "minimum": 0,
          "maximum": 120
        },
        "city": {
          "type": "string",
          "description": "Person's city - NEW FIELD",
          "maxLength": 100
        }
      },
      "required": [
        "name",
        "city"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string"
    },
    "example": {
      "type": "object",
      "properties": {
        "message": {
          "type": "string"
        },
        "timestamp": {
          "type": "string"
        },
        "version": {
          "type": "string"
        }
      },
      "required": [
        "message",
        "timestamp"
      ]
    }
  },
  "required": [
    "type"
  ]
}