Blockchain Indexer API
General

Protocol parameters

1min
GET
https://mainnet.gomaestro-api.org/v1/protocol-parameters
Cardano Mainnet
Returns the current blockchain protocol parameters
Authentication
api-key
Responses
200
Get protocol params
Example
{"data":{"min_fee_coefficient":44,"min_fee_constant":{"ada":{"lovelace":155381}},"min_fee_reference_scripts":{"base":15,"range":25600,"multiplier":1.2},"max_block_body_size":{"bytes":90112},"max_block_header_size":{"bytes":1100},"max_transaction_size":{"bytes":16384},"max_reference_scripts_size":{"bytes":204800},"stake_credential_deposit":{"ada":{"lovelace":2000000}},"stake_pool_deposit":{"ada":{"lovelace":500000000}},"stake_pool_retirement_epoch_bound":18,"desired_number_of_stake_pools":500,"stake_pool_pledge_influence":"3/10","monetary_expansion":"3/1000","treasury_expansion":"1/5","min_stake_pool_cost":{"ada":{"lovelace":170000000}},"min_utxo_deposit_constant":{"ada":{"lovelace":0}},"min_utxo_deposit_coefficient":4310,"plutus_cost_models":{"plutus_v1":[100788,420,1,1,1000,173,0,1,1000,59957,4,1,11183,32,201305,8356,4,16000,100,16000,100,16000,100,16000,100,16000,100,16000,100,100,100,16000,100,94375,32,132994,32,61462,4,72010,178,0,1,22151,32,91189,769,4,2,85848,228465,122,0,1,1,1000,42921,4,2,24548,29498,38,1,898148,27279,1,51775,558,1,39184,1000,60594,1,141895,32,83150,32,15299,32,76049,1,13169,4,22100,10,28999,74,1,28999,74,1,43285,552,1,44749,541,1,33852,32,68246,32,72362,32,7243,32,7391,32,11546,32,85848,228465,122,0,1,1,90434,519,0,1,74433,32,85848,228465,122,0,1,1,85848,228465,122,0,1,1,270652,22588,4,1457325,64566,4,20467,1,4,0,141992,32,100788,420,1,1,81663,32,59498,32,20142,32,24588,32,20744,32,25933,32,24623,32,53384111,14333,10],"plutus_v2":[100788,420,1,1,1000,173,0,1,1000,59957,4,1,11183,32,201305,8356,4,16000,100,16000,100,16000,100,16000,100,16000,100,16000,100,100,100,16000,100,94375,32,132994,32,61462,4,72010,178,0,1,22151,32,91189,769,4,2,85848,228465,122,0,1,1,1000,42921,4,2,24548,29498,38,1,898148,27279,1,51775,558,1,39184,1000,60594,1,141895,32,83150,32,15299,32,76049,1,13169,4,22100,10,28999,74,1,28999,74,1,43285,552,1,44749,541,1,33852,32,68246,32,72362,32,7243,32,7391,32,11546,32,85848,228465,122,0,1,1,90434,519,0,1,74433,32,85848,228465,122,0,1,1,85848,228465,122,0,1,1,955506,213312,0,2,270652,22588,4,1457325,64566,4,20467,1,4,0,141992,32,100788,420,1,1,81663,32,59498,32,20142,32,24588,32,20744,32,25933,32,24623,32,43053543,10,53384111,14333,10,43574283,26308,10],"plutus_v3":[100788,420,1,1,1000,173,0,1,1000,59957,4,1,11183,32,201305,8356,4,16000,100,16000,100,16000,100,16000,100,16000,100,16000,100,100,100,16000,100,94375,32,132994,32,61462,4,72010,178,0,1,22151,32,91189,769,4,2,85848,123203,7305,-900,1716,549,57,85848,0,1,1,1000,42921,4,2,24548,29498,38,1,898148,27279,1,51775,558,1,39184,1000,60594,1,141895,32,83150,32,15299,32,76049,1,13169,4,22100,10,28999,74,1,28999,74,1,43285,552,1,44749,541,1,33852,32,68246,32,72362,32,7243,32,7391,32,11546,32,85848,123203,7305,-900,1716,549,57,85848,0,1,90434,519,0,1,74433,32,85848,123203,7305,-900,1716,549,57,85848,0,1,1,85848,123203,7305,-900,1716,549,57,85848,0,1,955506,213312,0,2,270652,22588,4,1457325,64566,4,20467,1,4,0,141992,32,100788,420,1,1,81663,32,59498,32,20142,32,24588,32,20744,32,25933,32,24623,32,43053543,10,53384111,14333,10,43574283,26308,10,16000,100,16000,100,962335,18,2780678,6,442008,1,52538055,3756,18,267929,18,76433006,8868,18,52948122,18,1995836,36,3227919,12,901022,1,166917843,4307,36,284546,36,158221314,26549,36,74698472,36,333849714,1,254006273,72,2174038,72,2261318,64571,4,207616,8310,4,1293828,28716,63,0,1,1006041,43623,251,0,1]},"script_execution_prices":{"memory":"577/10000","cpu":"721/10000000"},"max_execution_units_per_transaction":{"memory":14000000,"cpu":10000000000},"max_execution_units_per_block":{"memory":62000000,"cpu":20000000000},"max_value_size":{"bytes":5000},"collateral_percentage":150,"max_collateral_inputs":3,"version":{"major":9,"minor":0},"stake_pool_voting_thresholds":{"no_confidence":"51/100","constitutional_committee":{"default":"51/100","state_of_no_confidence":"51/100"},"hard_fork_initiation":"51/100","protocol_parameters_update":{"security":"51/100"}},"delegate_representative_voting_thresholds":{"no_confidence":"67/100","constitutional_committee":{"default":"67/100","state_of_no_confidence":"3/5"},"constitution":"3/4","hard_fork_initiation":"3/5","protocol_parameters_update":{"network":"67/100","economic":"67/100","technical":"67/100","governance":"3/4"},"treasury_withdrawals":"67/100"},"constitutional_committee_min_size":7,"constitutional_committee_max_term_length":146,"governance_action_lifetime":6,"governance_action_deposit":{"ada":{"lovelace":100000000000}},"delegate_representative_deposit":{"ada":{"lovelace":500000000}},"delegate_representative_max_idle_time":20},"last_updated":{"timestamp":"2024-08-29 16:03:26","block_hash":"ebe27467ad34f4ecb80a3a537aae2e084e34d751426d484f87a5a6a9db4c216f","block_slot":69264206}}
Description
Timestamped response. Returns the endpoint response data along with the chain-tip of the indexer, which details at which point in the chain's history the data was correct as-of.
data
*
last_updated
*
500
Internal server error