wei2eth

Wei / Gwei / ETH / USD unit converter and live multi-chain gas oracle, paid per call via MPP on Tempo.

Convert units

npx mppx 'https://wei2eth.xyz/api/service?mode=convert&amount=1.5&from=eth&to=usd'

Live gas cost estimate

npx mppx 'https://wei2eth.xyz/api/service?mode=gas&chain=base&action=erc20_transfer'

Supported

• units: wei, gwei, eth, usd, token (custom ERC-20 via decimals=)
• chains: ethereum, base, arbitrum, optimism
• actions: transfer, erc20_transfer, swap, contract_deploy

Discovery (free)

curl 'https://wei2eth.xyz/openapi.json'