resources/BitBooth/POST /v1/cdp/chain/erc20-balance
POSTorigin reachablediscovery only

BitBooth /v1/cdp/chain/erc20-balance APIPOST /v1/cdp/chain/erc20-balance · x402 API by BitBooth

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

What does this x402 API do?

BitBooth /v1/cdp/chain/erc20-balance API. This is an x402-gated POST API resource from BitBooth. TOLL·402 did not invoke this route automatically because doing so was not considered safe. No normalized USD price is recorded; the listing names eip155:1440000 and Base and stellar:pubnet and xrpl:0. No settled paid call has been verified.

Published price
No normalized USD price is recorded
Networks
eip155:1440000 · Base · stellar:pubnet · xrpl:0
Latest evidence
TOLL·402 did not invoke this route automatically because doing so was not considered safe
Resource ID
3da1278483a78591fa59c195
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.

What evidence supports this listing?

cdp-bazaarobserved 2026-08-11 · open source record ↗
origin checkHEAD https://app.heinrichstech.com/ → 403 on 2026-08-15
route quotenot invoked automatically · potentially-mutating-method:POST · 2026-08-15

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. Read the discovery and verification methodology →

Which networks and payment options does it accept?

The normalized listing price is No normalized USD price is recorded. Raw protocol requirements remain visible below for implementation and audit use.

Baseexact3000 atomic · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
xrpl:0exact3000 atomic · XRP
xrpl:0exact0.003000 atomic · 524C555344000000000000000000000000000000
xrpl:0exact0.003000 atomic · 5553444300000000000000000000000000000000
stellar:pubnetexact3000 atomic · XLM
stellar:pubnetexact3000 atomic · USDC
Baseonchain100000000000000 atomic · 0x88Fb150BDc53A65fe94Dea0c9BA0a6dAf8C6e196
eip155:1440000onchain400000000000000 atomic · XRP
BitBooth POST /v1/cdp/chain/erc20-balance · 3da127 x402 API · TOLL·402