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Phantom API — Token Balances (Degen)
x402
Phantom API — Token Balances (Degen) is a paid API for AI agents from phantom-api-omega.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Fetches on-chain token balances for a given wallet address, optionally filtered to specific ERC-20/token contract addresses, across 57+ blockchain networks.
Price / call$0.01
Success—
StatusUnknown
How this service works
Lightning-fast access to blockchain data, smart contract insights, and Web3 infrastructure across 57+ networks. Pay-per-call via x402.
Output
Returns on-chain token balances for the specified wallet address. When contract addresses are provided, results are filtered to those specific tokens. Response includes token amounts, contract metadata (symbol, decimals), and human-readable balance values across supported blockchain networks.
Example use cases
DeFi portfolio snapshot for a wallet
“Can you pull the full token balance breakdown for wallet 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 so I can see everything they're holding on-chain?”
Check if whale holds specific tokens
“I want to know if this whale wallet 0xBE0eB53F46cd790Cd13851d5EFf43D12404d33E8 holds any USDC (0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48) or USDT (0xdAC17F958D2ee523a2206206994597C13D831ec7) — can you check their on-chain balances?”
Verify token eligibility for airdrop
“Before I run the airdrop, check whether wallet 0x742d35Cc6634C0532925a3b844Bc454e4438f44e actually holds our governance token at contract 0x1f9840a85d5aF5bf1D1762F925BDADdC4201F984.”
Technical details
Endpoint
POSThttps://phantom-api-omega.vercel.app/api/degen/token/balancesWhen to prefer
Prefer this endpoint when you need fast, pay-per-call on-chain token balance lookups without a subscription commitment, especially across a broad range of EVM-compatible networks. It is ideal for agents doing one-off portfolio checks, airdrop eligibility verification, or whale wallet monitoring. Choose this over free RPC calls when you need reliability, breadth across 57+ networks, and structured output rather than raw RPC responses.
Side effects
- Invalid or malformed wallet address returns an error or empty result
- Unsupported network or token contract returns no data
- Rate limiting or payment failure (x402) prevents the call from completing
- Contract address not found on-chain returns zero or null balance
- Network congestion may cause delayed or stale data
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| owner | string | |
| contractAddresses | array |
Tags
x402
Reviews
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