curl -L -X GET 'https://bitcoinchainfees.strike.me/v1/fee-estimates'
{
"current_block_height": 952743,
"current_block_hash": "00000000000000000000025f77032b71a0f52126882f83a633f2322e29e6c183",
"fee_by_block_target": {
"1": 2000
},
"min_relay_feerate": 2000
}