Multi-chain balances API
Multi-chain balances API: native + ERC-20 token balances for one address across up to 17 EVM chains (Ethereum, Base, Arbitrum, Optimism, BNB, and young chains like Robinhood, Ink that Alchemy/Moralis omit) in a single request. Pay per call in USDC, no account or API key - built for AI agents. Priced about $0.0003 per chain.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
324 msmedian answer time
$0.002listed price per call
$0.002price 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://rpc.nodeflare.app/data/balances/x402
| Category | Market data |
|---|---|
| Provider host | rpc.nodeflare.app |
| Networks | eip155:137, eip155:42161, eip155:8453 |
| Payment schemes | exact, upto |
| 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 |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.002 | 324 ms |
Example input (from the provider)
{
"body": {
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"chains": [
"ethereum",
"base"
],
"tokens": {
"base": [
"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
]
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"type": "string"
},
"chains": {
"items": {
"type": "string"
},
"type": "array"
},
"tokens": {
"type": "object"
}
},
"required": [
"address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"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"
}