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greet

Demo endpoint returning a personalized greeting text for a supplied name, city and age.

Categories: API testing

Use when

  • test an x402 call with structured required/optional inputs

Not for

  • not for real application data — demo/test endpoint only

Inputs

GET query params: name (string 1-100, required), city (string ≤100, required); age (number 0-120, optional).

Admitted input schema

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

Endpoint

Method
GET
URL
https://hello-world-x402.vercel.app/greet

Payment

Protocol
x402
Listed price
0.001 USDC per call on Base
Payment method
exact
Network
eip155:8453
Asset
0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Record
GET https://hello-world-x402.vercel.app/greet
Retrieved
2026-09-30T20:37:07.382Z
Catalog file SHA-256
6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built
2026-09-30T22:31:58.034Z