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Multi-Chain Wallet Token Balance Lookup
x402
Multi-Chain Wallet Token Balance Lookup is a paid API for AI agents from x402-gateway-production.up.railway.app, paid per call via x402, $0.005000/call, status unknown (last checked 2026-09-14, last successful call 2026-05-28).
Returns token balances for any wallet address across 20+ blockchain networks including EVM chains, Solana, and Bitcoin
Price / call$0.005000
Success100%
StatusUnknown
How this service works
Token balances for any wallet across 20+ chains — EVM, Solana, Bitcoin
Output
A structured response listing token balances across 20+ supported chains, including token symbols, amounts, and the associated chain for each holding found in the wallet.
Example use cases
Example prompt
“What are all the token balances for wallet 0x742d35Cc6634C0532925a3b8D4C9B4e1F2c3A7d9 across every chain you can check — EVM, Solana, and Bitcoin?”
Technical details
Endpoint
POSThttps://x402-gateway-production.up.railway.app/api/wallet/balancesWhen to prefer
Choose this endpoint when you need a comprehensive, multi-chain view of a wallet's token holdings in a single call, especially when the wallet may hold assets across EVM-compatible chains, Solana, and Bitcoin simultaneously. Ideal for portfolio aggregation, DeFi dashboards, or pre-transaction balance checks.
Side effects
- Invalid wallet address format returns an error
- Unsupported chain or address type returns empty or error response
- Wallet with no balances returns empty result set
- Network timeouts on specific chains may cause partial results
- Malformed POST body returns 400-level error
Input
{
"chain": "ethereum",
"address": "0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object |
Output
{
"_bytes": 262144,
"_preview": "{\"items\":[{\"chain\":\"ethereum\",\"address\":\"0xd8da6bf26964af9d7eed9e03e53415d37aa96045\",\"token\":{\"object\":\"token\",\"chain\":\"ethereum\",\"address\":\"0xb2898386693855c67daac1c16e99e14d683c6a09\",\"type\":\"evm_erc20\",\"price\":0.000015889731564293386,\"decimals\":9,\"info\":{\"name\":\"Free Roman Storm\",\"symbol\":\"FRS\"},\"attributes\":{}},\"raw_balance\":10000000000000000,\"raw_balance_str\":\"10000000000000000\",\"block_timestamp\":\"2026-05-29T17:50:11Z\",\"block_number\":25202626,\"block_hash\":\"0xef99b2b34fc8fb31dbb7347e2cfb7c1c9b751489d3c0d8ce2070d9764978f5a2\"},{\"chain\":\"ethereum\",\"address\":\"0xd8da6bf26964af9d7eed9e03e53415d37aa96045\",\"token\":{\"object\":\"token\",\"chain\":\"ethereum\",\"address\":\"0x6898b3025f035f486a05bf496cd4dfdd65f60ea6\",\"type\":\"evm_erc20\",\"price\":0.000018269813199550976,\"decimals\":9,\"info\":{\"name\":\"Nasdaq Bitcoin Index Options\",\"symbol\":\"QBTC\"},\"attributes\":{}},\"raw_balance\":333000000000,\"raw_balance_str\":\"333000000000\",\"block_timestamp\":\"2026-05-29T17:10:47Z\",\"block_number\":25202429,\"block_hash\":\"0x81842f6f2bf9008cfc798fa68e72d3877928fb7d8620b48fb8a2f417ac9dcd43\"},{\"chain\":\"ethereum\",\"address\":\"0xd8da6bf26964af9d7eed9e03e53415d37aa96045\",\"token\":{\"object\":\"token\",\"chain\":\"ethereum\",\"address\":\"0x965d0376dcee7cf54eba407d1c848839d7504f91\",\"type\":\"evm_erc20\",\"price\":0.00004957365335401605,\"decimals\":9,\"info\":{\"name\":\"万岁\",\"symbol\":\"万岁\"},\"attributes\":{}},\"raw_balance\":10000000000000000,\"raw_balance_str\":\"10000000000000000\",\"block_timestamp\":\"2026-05-29T17:10:35Z\",\"block_number\":25202428,\"block_hash\":\"0x20a0dc36caba800df5372b1d2075d3f197274dfbde453c51e70c7f3004604a19\"},{\"chain\":\"ethereum\",\"address\":\"0xd8da6bf26964af9d7eed9e03e53415d37aa96045\",\"token\":{\"object\":\"token\",\"chain\":\"ethereum\",\"address\":\"0xed5475fc1790daf94c6c5ad3f9c1625af507b45c\",\"type\":\"evm_erc20\",\"price\":0.00007558238162317644,\"decimals\":9,\"info\":{\"name\":\"Veridian Privacy Robe\",\"symbol\":\"ROBE\"},\"attributes\":{}},\"raw_balance\":10000000000000000,\"raw_balance_str\":\"10000000000000000\",\"block_timestamp\":\"2026-05-29T16:19:11Z\",\"block_nu",
"_truncated": true,
"_contentType": "application/json; charset=utf-8"
}Tags
x402
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