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NodeFlare Multi-Chain Token Balance API
x402
NodeFlare Multi-Chain Token Balance API is a paid API for AI agents from rpc.nodeflare.app, paid per call via x402, $0.0051/call, status unknown (last checked 2026-09-14).
Returns native and ERC-20 token balances for a single wallet address across up to 23 EVM chains in one request, paid per call in USDC with no API key required.
Price / call$0.0051
Success—
StatusUnknown
How this service works
Multi-chain balances API: native + ERC-20 token balances for one address across up to 23 EVM chains (Ethereum, Base, Arbitrum, Optimism, BNB, and young chains like Robinhood, Plasma, 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.
Output
A structured JSON response containing per-chain breakdowns of the wallet's native token balance and ERC-20 token balances, including token symbols, contract addresses, decimals, and amounts for each requested chain.
Example use cases
Portfolio snapshot across all L2s
“Show me every token and native balance that wallet 0x1234...abcd holds across Ethereum, Base, Arbitrum, Optimism, and BNB Chain — I want a full multichain picture in one shot.”
Check holdings on niche EVM chains
“Does wallet 0xDEAD...BEEF have any tokens or native balance on Robinhood Chain, Plasma, or Ink? Those are newer chains I can't easily check with Alchemy.”
Pre-trade balance verification
“Before I initiate a swap, can you confirm how much USDC and ETH wallet 0xUser...Wallet currently holds on Base and Arbitrum?”
Technical details
Endpoint
POSThttps://rpc.nodeflare.app/data/balances/x402When to prefer
Choose this endpoint when you need to aggregate native and ERC-20 balances for a single wallet across many EVM chains simultaneously without managing multiple RPC calls or API keys. It is especially valuable when you need coverage of newer or niche EVM chains (Robinhood Chain, Plasma, Ink) that major providers like Alchemy or Moralis do not support. Ideal for agents that need to pay per use in USDC with no account setup.
Side effects
- Invalid or malformed wallet address returns an error
- Unsupported chain identifier in the chains array causes a rejection
- Insufficient USDC payment results in a 402 payment required error
- Network timeout or node unavailability for a specific chain may return partial results
- Empty token list returned if wallet has no holdings on a requested chain
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| chains | array | |
| tokens | object | |
| address | string |
Tags
x402
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