Index onlineMerchant portal
Api Endpoint

Testnet ETH Merchant

Buy Sepolia ETH with Base or Solana USDC at $0.1 per testnet ETH

Open interactive test console

Offering

Provider
merchant-production-c224.up.railway.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://merchant-production-c224.up.railway.app/v1/buy/sepolia
MIME type
application/json
First seen
2026-10-16T01:51:51.176Z
Last seen
Tags
testnet, Ethereum, sepolia

Website

Payment pricing

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

Payment option 1
0.1 USDC
Atomic price: 100000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.1 USDC
Atomic price: 100000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "100000",
    "payTo": "0xE1f831e0C4660841FeC1FccB917AdB588C5653CA"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "100000",
    "payTo": "Bj6xBpGcQavz8Uqr4Kofz6dTPpgLxCEXqJhkKQzF5EXg"
  }
]

Observed health

Status
Healthy
Latest latency
264 ms
Average latency
437 ms
HTTP status
402
Last checked
Reachability
100% over 15 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": {
        "amount": {
          "type": "string",
          "pattern": "^[1-9][0-9]*$",
          "description": "Whole-number amount of Sepolia ETH; 1-100"
        },
        "recipient": {
          "type": "string",
          "pattern": "^0x[0-9a-fA-F]{40}$",
          "description": "EVM payout address; optional for Base payments and required for Solana payments"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "amount": {
              "description": "Whole-number amount of Sepolia ETH; 1-100",
              "pattern": "^[1-9][0-9]*$",
              "type": "string"
            },
            "recipient": {
              "description": "EVM payout address; optional for Base payments and required for Solana payments",
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}