Api Endpoint

x402-echo-service.onrender.com

Read the native ETH balance of an address on Base. POST {"address":"0x..."} and receive the balance in wei and in ether. Live chain state read directly from a node, with no indexer lag and no API key.

Open interactive test console

Offering

Provider: x402-echo-service.onrender.com
Method: GET
Offering type: Api Endpoint
Transport type: http
Category: Blockchain And Crypto
Delivery: Not provided
Pricing model: Not provided
x402 version: 1

Endpoint context

URL: https://x402-echo-service.onrender.com/chain/eth-balance
MIME type: Not provided
First seen: 2026-10-16T02:25:16.903Z
Last seen: 2026-10-26T00:08:14.025Z
Tags: None supplied

Website

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": "0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE"
  }
]

Observed health

Status: Reachable
Latest latency: 52 ms
Average latency: 53 ms
HTTP status: 405
Last checked: 2026-11-03T20:32:32.542Z
Reachability: 100% over 9 checks

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

Input schema

{}

Output schema

null