resources/BitBooth/3da1278483a78591fa59c195
POSTorigin reachablediscovery only

BitBooth: POST /v1/cdp/chain/erc20-balance

ERC-20 token balance for any wallet — USDC, USDT, DAI, or any token contract — via balanceOf eth_call, with decimals applied. Ethereum or Base mainnet. Pay 0.003 USDC.

https://app.heinrichstech.com/v1/cdp/chain/erc20-balance
USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE
AI CODING TOOLS
quote-check.ts
const response = await fetch("https://app.heinrichstech.com/v1/cdp/chain/erc20-balance", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
  "type": "http",
  "method": "POST",
  "bodyType": "json",
  "bodyFieldNames": [
    "address",
    "chain",
    "token"
  ],
  "pathParamNames": [],
  "queryParamNames": []
}),
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

Review the provider input schema before running this non-read-only method. No payment code is included.

STATUS HISTORY

  1. Exact route checked

    not safely testable · potentially-mutating-method:POST

  2. Origin reachable

    HEAD https://app.heinrichstech.com/ returned 403.

  3. Observed in cdp-bazaar

    The registry record was observed and retained with provenance.

EVIDENCE

cdp-bazaarobserved 2026-07-10 · https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources
origin checkHEAD https://app.heinrichstech.com/ → 403 on 2026-07-10
route quotenot invoked automatically · potentially-mutating-method:POST · 2026-07-10

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call.

PAYMENT OPTIONS

eip155:8453exact3000 atomic · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
xrpl:0exact3000 atomic · XRP
xrpl:0exact0.003000 atomic · 524C555344000000000000000000000000000000
xrpl:0exact0.003000 atomic · 5553444300000000000000000000000000000000
stellar:pubnetexact3000 atomic · XLM
stellar:pubnetexact3000 atomic · USDC
eip155:8453onchain100000000000000 atomic · 0x88Fb150BDc53A65fe94Dea0c9BA0a6dAf8C6e196
eip155:1440000onchain400000000000000 atomic · XRP
BitBooth: POST /v1/cdp/chain/erc20-balance · TOLL·402