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CortexCloud Token Balance Lookup
x402
CortexCloud Token Balance Lookup is a paid API for AI agents from api.cortexcloud.org, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Returns the token balance for a given wallet address on the Base blockchain network
Price / call$0.005
Success—
StatusUnknown
How this service works
OpenAI-compatible AI and data API for agents. Pay per call in USDC on Base via x402 — no API keys, no subscriptions, no lock-in.
Output
Returns the on-chain token balance for the specified wallet address and token contract on the Base network, typically as a numeric value representing the raw or formatted token amount held by that address.
Example use cases
Pre-transaction balance check
“Before I send any tokens, check the USDC balance of my wallet 0xAbc123...def on Base so I know I have enough funds.”
DeFi portfolio snapshot
“Pull the token balance for wallet 0x742d35Cc6634C0532925a3b844Bc454e4438f44e on Base for the DAI token contract 0x50c5725949A6F0c72E6C4a641F24049A917DB0Cb.”
Agent treasury monitoring
“Check what the current token balance is for our agent treasury wallet 0xDead...Beef on Base for the USDC token so I can decide if we need to top it up.”
Technical details
Endpoint
GEThttps://api.cortexcloud.org/x402/v1/data/base/token-balanceWhen to prefer
Choose this endpoint when you need a quick, pay-per-call on-chain token balance lookup on Base without managing your own RPC node, API keys, or subscriptions. Ideal for AI agents that need ad-hoc balance checks as part of a larger workflow without infrastructure overhead.
Side effects
- Invalid or malformed wallet address returns an error
- Unsupported or non-existent token contract address returns zero or error
- Network congestion or RPC issues may cause timeout
- Rate limiting if too many calls are made in rapid succession
- Missing required parameters (address or token contract) returns a 400-level error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| required | string | |
| properties | string |
Output
Schema · Response
{
"type": "object",
"format": "application/json",
"example": {
"raw": "0",
"token": "0x...",
"address": "0x...",
"network": "base"
}
}Tags
x402
Reviews
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Zero review prompt (fires after every successful call)
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