0 for hex-encoded data, 1 for a json object, and 2 for json object with transaction data
curl --location --request POST 'https://btc.getblock.io/mainnet/' \
--header 'x-api-key: YOUR-API-KEY' \
--header 'Content-Type: application/json' \
--data-raw '{"jsonrpc": "2.0",
"method": "getblock",
"params": ["000000000000000000046b9302e08c16ea186950f42a5498320ddd1bd7ab3428"],
"id" : "getblock.io"}'
{
"bits": "170cdf6f",
"chainwork": "00000000000000000000000000000000000000001b633a711a2334c78a29bb40",
"confirmations": 1197,
"difficulty": 21865558044610.55,
"hash": "000000000000000000046b9302e08c16ea186950f42a5498320ddd1bd7ab3428",
"height": 677119,
"mediantime": 1617176373,
"merkleroot": "d14c9f467c4bdd5135837696150ab5f52f3f5043de324ca4e5766b195b9f8f37",
"nTx": 2815,
"nextblockhash": "000000000000000000006d8e1eb870bd281b30ed621acf6b8d6af2a3c7ab61f1",
"nonce": 3669423616,
"previousblockhash": "0000000000000000000aec32aa6edda6c888e8d6a0183d9c976064f98430c2da",
"size": 1350854,
"strippedsize": 882816,
"time": 1617180599,
"tx": [
"2cd23815f632a3fc8a5c191c9d4fb4d758d85af4599ecd0f7f55427ad682f142",
"780791bb2d5a8ccda4b5a707967a8e15b412814852c58c77299e85579bb65587",
"635d50c5be6d6aea70527237dce8b0d646b88970ba34384f2ef85eba37f9e604",
"fa8b28b42f11aa86ff1bbe6acf67b8e2e497573bef07a8e2fd5de8d79f2df80c"
],
"version": 1073733632,
"versionHex": "3fffe000",
"weight": 3999302
}