{"success":true,"lastUpdated":"2026-05-21T18:18:47.491Z","data":[{"chainId":1,"chainName":"Ethereum","symbol":"ETH","gasPrice":{"low":54412939,"medium":108825878,"high":217651755,"timestamp":1779387527434},"estimatedCosts":{"low":"$0.00","medium":"$0.01","high":"$0.01"},"baseFee":0.13659480613589986,"gasUsedRatio":"0.5,0.7,0.6,0.4,0.8","lastBlock":"21500535"},{"chainId":137,"chainName":"Polygon","symbol":"MATIC","gasPrice":{"low":20747252932,"medium":36307692632,"high":51868132331,"timestamp":1779387527488},"estimatedCosts":{"low":"$0.000","medium":"$0.000","high":"$0.001"}},{"chainId":56,"chainName":"BNB Chain","symbol":"BNB","gasPrice":{"low":3141627116,"medium":5236045194,"high":7330463272,"timestamp":1779387527491},"estimatedCosts":{"low":"$0.040","medium":"$0.066","high":"$0.092"}}]}