Saylor Innovations On-Chain Data x402 REST usage
Ethereum block by number or latest - hash, time, transaction count, gas used, base fee and miner
0.01 USDC per call
per call
Estimate Gas
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Saylor Innovations Data Desk x402 REST usage
Leading causes of death for any US state or the nation - deaths, share of all deaths and age-adjusted rates for heart disease, cancer, stroke and more
0.01 USDC per call
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Gas Price x402 REST usage
Gas price: live gas fees for Ethereum, Base, Arbitrum, Polygon and Solana in one call. Use before sending a transaction to pick a fee or the cheapest chain. Returns base fee, slow/standard/fast priority fees, max fee, co...
0.001 USDC per call
per call
Estimate gas, Arbitrum x402 REST usage
Estimate gas, Arbitrum. Estimate the gas a transaction would use on Arbitrum One (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for...
0.003 USDC per call
per call
Estimate gas, Base x402 REST usage
Estimate gas, Base. Estimate the gas a transaction would use on Base (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a contract c...
0.003 USDC per call
per call
Estimate gas, Ethereum x402 REST usage
Estimate gas, Ethereum. Estimate the gas a transaction would use on Ethereum (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a co...
0.003 USDC per call
per call
Estimate gas, Optimism x402 REST usage
Estimate gas, Optimism. Estimate the gas a transaction would use on Optimism (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a co...
0.003 USDC per call
per call
Estimate gas, Polygon x402 REST usage
Estimate gas, Polygon. Estimate the gas a transaction would use on Polygon PoS (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and POL. Give to, plus value in POL and calldata for a...
0.003 USDC per call
per call
Estimate gas, Ink x402 REST usage
Estimate gas, Ink. Estimate the gas a transaction would use on Ink (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a contract cal...
0.003 USDC per call
per call
Estimate gas, Avalanche x402 REST usage
Estimate gas, Avalanche. Estimate the gas a transaction would use on Avalanche (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and AVAX. Give to, plus value in AVAX and calldata for...
0.003 USDC per call
per call
Estimate gas, Berachain x402 REST usage
Estimate gas, Berachain. Estimate the gas a transaction would use on Berachain (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and BERA. Give to, plus value in BERA and calldata for...
0.003 USDC per call
per call
Estimate gas, Celo x402 REST usage
Estimate gas, Celo. Estimate the gas a transaction would use on Celo (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and CELO. Give to, plus value in CELO and calldata for a contract...
0.003 USDC per call
per call
Estimate gas, Gnosis x402 REST usage
Estimate gas, Gnosis. Estimate the gas a transaction would use on Gnosis (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and xDAI. Give to, plus value in xDAI and calldata for a cont...
0.003 USDC per call
per call
Estimate gas, HyperEVM x402 REST usage
Estimate gas, HyperEVM. Estimate the gas a transaction would use on HyperEVM (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and HYPE. Give to, plus value in HYPE and calldata for a...
0.003 USDC per call
per call
Gas estimate x402 REST usage
Simulate a transaction before signing: runs `eth_estimateGas` for `{ to, from?, data?, value? }` and returns the estimated gas units and estimated fee (current gas price x gas, in wei + ETH). If the node rejects the call...
0.004 USDC per call
per call
Estimate gas, Linea x402 REST usage
Estimate gas, Linea. Estimate the gas a transaction would use on Linea (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a contract...
0.003 USDC per call
per call
Estimate gas, Mantle x402 REST usage
Estimate gas, Mantle. Estimate the gas a transaction would use on Mantle (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and MNT. Give to, plus value in MNT and calldata for a contra...
0.003 USDC per call
per call
Estimate gas, Scroll x402 REST usage
Estimate gas, Scroll. Estimate the gas a transaction would use on Scroll (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a contra...
0.003 USDC per call
per call
Estimate gas, Sei x402 REST usage
Estimate gas, Sei. Estimate the gas a transaction would use on Sei (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and SEI. Give to, plus value in SEI and calldata for a contract cal...
0.003 USDC per call
per call
Estimate gas, Sonic x402 REST usage
Estimate gas, Sonic. Estimate the gas a transaction would use on Sonic (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and S. Give to, plus value in S and calldata for a contract cal...
0.003 USDC per call
per call
Estimate gas, Unichain x402 REST usage
Estimate gas, Unichain. Estimate the gas a transaction would use on Unichain (eth_estimateGas) and what it would cost at the current gas price, in gas units, gwei and ETH. Give to, plus value in ETH and calldata for a co...
0.003 USDC per call
per call
Estimate gas x402 REST usage
Estimates the gas a transaction would need and prices it at the current gas price, before you sign anything. Also the cheapest way to find out that a call would revert. Via eth_estimateGas.
0.005 USDC per call
per call
Gas estimate x402 REST checked
Gas estimate before you send, on Ethereum, Base, Arc or BNB Chain: pass ?to=&from=&data=&value= and get the gas units, the gas price and the fee in the native coin, or the revert reason if the transaction would fail. Not...
0.001 USDC per call
per call
checked
Agent Kiosk x402 REST
Instant 30-Day Prepaid API Key Pass (ak_live_...) for AI agents, LangChain, n8n, Make.com, and developers. Unlocks all 23 paid per-call Agent Kiosk REST & MCP intelligence tools for 30 days via X-API-KEY header without p...
5 USDC per call
per call