Api Endpoint

plainchain.appin60.com

Wallet balances with USD values on Base, Arbitrum, Ethereum or Optimism: native ETH plus USDC, USDT, WETH and the chain's major tokens, plus up to 10 extra token addresses you pass. Returns a USD total. Use before paying, bridging or reporting a portfolio.

Open interactive test console

Offering

Provider: plainchain.appin60.com
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://plainchain.appin60.com/v1/balances
MIME type: application/json
First seen: 2026-10-16T01:51:40.954Z
Last seen: 2026-11-01T19:06:21.300Z
Tags: None supplied

Website

Payment pricing

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

Payment option 1: 0.001942 USDC
Atomic price: 1942 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1942",
    "payTo": "0xB442daCAE60C07bb5dB8f33C8a6c1572d8F24e83"
  }
]

Observed health

Status: Healthy
Latest latency: 325 ms
Average latency: 434 ms
HTTP status: 402
Last checked: 2026-11-01T19:06:21.295Z
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": {
        "chain": {
          "type": "string",
          "description": "base (default), arbitrum, ethereum or optimism; chain ids 8453, 42161, 1, 10 also work"
        },
        "address": {
          "type": "string",
          "pattern": "^0x[0-9a-fA-F]{40}$",
          "description": "wallet address"
        },
        "tokens": {
          "type": "string",
          "description": "optional comma-separated extra ERC-20 addresses"
        }
      },
      "required": [
        "address"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "address": {
              "description": "wallet address",
              "pattern": "^0x[0-9a-fA-F]{40}$",
              "type": "string"
            },
            "chain": {
              "description": "base (default), arbitrum, ethereum or optimism; chain ids 8453, 42161, 1, 10 also work",
              "type": "string"
            },
            "tokens": {
              "description": "optional comma-separated extra ERC-20 addresses",
              "type": "string"
            }
          },
          "required": [
            "address"
          ],
          "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"
}