{"service":"HALOWERK kettenwerk","endpoint":"/gas","method":"POST","content_type":"application/json","inputSchema":{"type":"object","required":["chain"],"additionalProperties":false,"properties":{"chain":{"type":"string","enum":["ethereum","base","arbitrum","optimism","polygon","bsc"],"description":"Chain to read fees from."},"speed":{"type":"string","enum":["langsam","normal","schnell","alle"],"default":"alle","description":"Which speed level to highlight. All three are always returned."},"tx_type":{"type":"string","enum":["native_transfer","erc20_transfer","erc20_approve","swap","nft_mint","contract_deploy"],"default":"erc20_transfer","description":"Transaction profile used for the total cost estimate. Its assumed gas limit and byte size are stated in the answer."}}},"requestExample":{"chain":"ethereum","speed":"alle","tx_type":"erc20_transfer"},"operations":[{"method":"POST","inputSchema":{"type":"object","required":["chain"],"additionalProperties":false,"properties":{"chain":{"type":"string","enum":["ethereum","base","arbitrum","optimism","polygon","bsc"],"description":"Chain to read fees from."},"speed":{"type":"string","enum":["langsam","normal","schnell","alle"],"default":"alle","description":"Which speed level to highlight. All three are always returned."},"tx_type":{"type":"string","enum":["native_transfer","erc20_transfer","erc20_approve","swap","nft_mint","contract_deploy"],"default":"erc20_transfer","description":"Transaction profile used for the total cost estimate. Its assumed gas limit and byte size are stated in the answer."}}},"requestExample":{"chain":"ethereum","speed":"alle","tx_type":"erc20_transfer"}}]}