ERC-20 token balance for any wallet — USDC, USDT, DAI, or any token contract — v
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.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
621 msmedian answer time
$0.003listed price per call
$0.003price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://app.heinrichstech.com/v1/cdp/chain/erc20-balance
| Category | Market data |
|---|---|
| Provider host | app.heinrichstech.com |
| Networks | eip155:1440000, eip155:8453, stellar:pubnet, xrpl:0 |
| Payment schemes | exact, onchain |
| Self-reported calls, 30 days | 2 from 2 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.003 | 621 ms |
Example input (from the provider)
{
"body": {
"address": "0x\u2026 holder",
"chain": "ethereum | base",
"token": "0x\u2026 ERC-20 contract"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"description": "0x\u2026 holder",
"type": "string"
},
"chain": {
"description": "ethereum | base",
"type": "string"
},
"token": {
"description": "0x\u2026 ERC-20 contract",
"type": "string"
}
}
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}