Live native + ERC-20 token balances for an EVM address (Base, Ethereum, Polygon,
Live native + ERC-20 token balances for an EVM address (Base, Ethereum, Polygon, Arbitrum, Optimism; keyless). Returns the native-coin balance and, for any ERC-20 contract addresses you pass, the symbol, decimals, raw and human-formatted balance — fetched in one multicall. For wallet dashboards, treasury checks, and agent payment/settlement flows.
Answeringour last check, 2026-10-10
1 of 1checks answered this week
268 msmedian answer time
$0.0036listed price per call
$0.0036price 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
GET https://2s.io/api/crypto/balances
| Category | Market data |
|---|---|
| Provider host | 2s.io |
| Networks | eip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-10 | valid payment request | 402 | $0.0036 | 268 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"address": "example",
"chain": "base",
"tokens": "example"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"const": "GET"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"address": {
"description": "EVM address to read.",
"type": "string"
},
"chain": {
"description": "Default base.",
"enum": [
"base",
"ethereum",
"polygon",
"arbitrum",
"optimism"
],
"type": "string"
},
"tokens": {
"description": "Comma-separated ERC-20 contract addresses (max 20).",
"maxLength": 900,
"type": "string"
}
},
"required": [
"address"
],
"type": "object"
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}