{"sample":true,"note":"Static example of what /op/estimate-gas returns; not live data and not charged. Call without sample=1 and pay $0.01 with any x402 client for a live result.","tool":"/op/estimate-gas","price":"$0.01","example":{"chain":"Optimism","chainId":10,"to":"0x000000000000000000000000000000000000dEaD","from":"0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045","value":"0","gas":"21000","gasPriceGwei":"0.012","cost":"0.000000252","symbol":"ETH","block":123456789}}