APIverified
Optimism transaction gas estimate - gas units, gas price and fee in the native coin
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon wallet balance - native POL plus up to 20 ERC-20 token balances in one call
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Send a Polygon address, get whether it is a wallet or a contract, proxy detection, bytecode size and ERC-20 name, symbol and supply.
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon ERC-20 allowance - how much a spender can move from an owner, with unlimited-approval flag
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon network status - chain ID, latest block, block age, gas price and base fee
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon transaction details - status, from/to, value, gas used, fee, event count and method selector
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon block by number or latest - hash, time, transaction count, gas used, base fee and miner
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon account nonce - confirmed and pending transaction count for any address
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon ERC-20 token transfer history - decoded Transfer events, filterable to one wallet
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Contract Event Logs (polygon). Polygon contract event logs: raw logs for a contract, optional ?topic0= event filter, up to 2,000 blocks, newest first, up to 200 rows.
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon contract storage slot - raw 32-byte value with uint and address decodings
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon read-only contract call (eth_call) - return data, with reverts reported cleanly
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Polygon transaction gas estimate - gas units, gas price and fee in the native coin
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
NFT owner of an ERC-721 token (ownerOf) on Base, Ethereum, Arbitrum, Optimism or Polygon
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Send an NFT contract address and token ID, get ERC-721 or ERC-1155 metadata: tokenURI resolved, parsed JSON and image URL, on 5 EVM chains.
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
NFTs a wallet holds in a collection (ERC-721 Enumerable) - balance and token ids, on 5 EVM chains
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
ERC-1155 balance - how many copies of a token id a wallet holds, on 5 EVM chains
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Ethereum gas price now, compared across Base, Arbitrum, Optimism and Polygon with slow, standard and fast tiers
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
DeFi yield pools ranked by sustainable APY with risk flags, filterable by chain, token or TVL
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
DeFi TVL for any protocol - total value locked in USD, 1-day and 7-day change and per-chain TVL breakdown from DefiLlama
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
Biggest 7-day DeFi TVL gainers and losers over $10M, filterable by chain and category
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
DeFi total value locked (TVL) ranked by blockchain, with gas token and TVL in USD
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
x402 test endpoint - pay once and get an itemized receipt with network, amount, payer and transaction
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
APIverified
x402 ping health check - a paid round trip that returns server time and a request id
by saylorinnovations.com · verified provider
NetworksBase, Polygon, Arbitrum One
AssetUSDC, USDT, SOL
Uptime—
Updated2026-10-26
