onchain-health.mick8511.workers.dev
Checks whether a signature was made by a claimed EVM address: EIP-191 personal_sign messages, EIP-712 typed data or a raw 32-byte digest, verified by ecrecover for wallets or ERC-1271 isValidSignature for smart-contract wallets (Safe, Coinbase Smart Wallet) on Ethereum, Base, Arbitrum, Optimism or Polygon. Returns validity, method, recovered signer and digest. Free sample: https://onchain-health.m
- Category
- Social & people
- Starting price
- $0.002
- Paid calls · 30 days
- 16
- Unique payers · 30 days
- 14
Paid endpoints
5 endpoints, sorted by usage. Prices are per request.
- POST/verify-signature
Checks whether a signature was made by a claimed EVM address: EIP-191 personal_sign messages, EIP-712 typed data or a raw 32-byte digest, verified by ecrecover for wallets or ERC-1271 isValidSignature for smart-contract wallets (Safe, Coinbase Smart Wallet) on Ethereum, Base, Arbitrum, Optimism or Polygon. Returns validity, method, recovered signer and digest. Free sample: https://onchain-health.m
$0.002Base8calls / 30d - POST/health-factor
DeFi lending position health for an EVM address across Ethereum, Base, Arbitrum, Optimism and Polygon: Aave v3 and Spark collateral, debt, available borrow, liquidation threshold and health factor with a risk label, plus Compound v3 borrow, supply and liquidatable flag. Live on-chain reads via Multicall3. Free sample: https://onchain-health.mick8511.workers.dev/sample
$0.01Base2calls / 30d - POST/net-worth
EVM wallet net worth on Ethereum, Base, Arbitrum, Optimism and Polygon: native coin plus about 40 major tokens (USDC, USDT, DAI, WETH, WBTC, cbBTC, stETH, LINK, ARB, OP and more), each balance priced with Chainlink oracle feeds, with per-chain and overall USD totals. Live on-chain reads, one Multicall3 per chain. Free sample: https://onchain-health.mick8511.workers.dev/sample
$0.01Base2calls / 30d - POST/stablecoin-peg
Stablecoin peg monitor: Chainlink oracle price, deviation from $1 in basis points, a depeg flag (over 1%) and on-chain total supply per chain for USDC, USDT, DAI and USDe across Ethereum, Base, Arbitrum, Optimism and Polygon. Live reads, one Multicall3 per chain. Free sample: https://onchain-health.mick8511.workers.dev/sample
$0.003Base2calls / 30d - POST/oracle-price
Chainlink oracle prices read on-chain: answer, decimals, round id, last update time, age and a staleness flag for up to 10 pairs per call (ETH, BTC, USDC, USDT, DAI, LINK, UNI, AAVE, stETH, USDe, ARB, OP, POL, AERO, cbETH vs USD) on Ethereum, Base, Arbitrum, Optimism or Polygon. Free sample: https://onchain-health.mick8511.workers.dev/sample
$0.002Base2calls / 30d