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Etherscan Account Balance via StableCrypto
x402
Etherscan Account Balance via StableCrypto is a paid API for AI agents from stablecrypto.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-14).
Returns the ETH (or native token) balance for a given wallet address on any EVM-compatible chain using Etherscan-style account balance lookup
Price / call$0.01
Success—
StatusUnknown
How this service works
Pay-per-request access to CoinGecko, DefiLlama, Alchemy, and Etherscan APIs. No auth, no subscriptions.
Output
Returns the native token balance (e.g. ETH, MATIC, or ETH on Base) for the specified wallet address on the given EVM chain, typically as a numeric value in wei or a human-readable unit, as of the specified block tag (defaulting to latest).
Example use cases
Example prompt
“What's the current ETH balance for wallet address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045 on Ethereum mainnet (chain ID 1)?”
Technical details
Endpoint
POSThttps://stablecrypto.dev/api/etherscan/account/balanceWhen to prefer
Use this endpoint when you need a quick, low-cost lookup of a wallet's native token balance on any EVM chain. Prefer this over full portfolio endpoints when you only need the base ETH/native balance (not ERC-20 tokens or NFTs), and when you want a straightforward Etherscan-style balance check without aggregating multi-token data.
Side effects
- Invalid or malformed wallet address returns an error or zero balance
- Unsupported chain ID returns an error or empty response
- Rate limiting or upstream Etherscan API unavailability causes a 5xx error
- Missing required fields (address or chainid) returns a validation error
- Address with no on-chain activity may return zero balance without error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| tag | string | Block tag (e.g. "latest") |
| address | string | Wallet address |
| chainid | number | EVM chain ID (1=Ethereum, 137=Polygon, 8453=Base, etc.) |
Tags
x402
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