📘
The usage of this method is as same as getblock . The only difference is that getblockeader gets the block header and getblock gets the complete block.

Parameters

Object Name	Required	Type	Detail
`BLOCK HASH`	✅	String	The block hash or block index.
`VERBOSE`	❌	Boolean/Integer	If `false` or `0`, serialized information of the block is returned in a Base64-encoded string. If `true` or `1`, detailed information of the block is returned in JSON format. Default is `false`.

"params": [
    "0x8b8143850fd4c058a46664d0fa33590b87d10e55acefe92aeb489c30167b2b19",
    1
]

Result

The corresponding block header information according to the specified hash or index.

Example

Request

curl <your-endpoint> \
   -X POST \
   -H "Content-Type: application/json" \
   -d '{"jsonrpc": "2.0", "method": "getblockheader", "params":["0x8b8143850fd4c058a46664d0fa33590b87d10e55acefe92aeb489c30167b2b19", 1],"id": 1}'

Return

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "hash": "0x8b8143850fd4c058a46664d0fa33590b87d10e55acefe92aeb489c30167b2b19",
    "size": 696,
    "version": 0,
    "previousblockhash": "0xa9ecbad4d16211556d766b8aa13c5d798b1afc2e57d694efc5156e24336646b1",
    "merkleroot": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "time": 1648673682055,
    "nonce": "76107EAE84DE715C",
    "index": 1310102,
    "primary": 3,
    "nextconsensus": "NSiVJYZej4XsxG5CUpdwn7VRQk8iiiDMPM",
    "witnesses": [{
      "invocation": "DEBZ3pwKRR7pCaA/yQ02SXbuhYPRLAnjdQNu4PPLfGqT7agpQQZ3VD9LtYMMAGQqlvchnJMhCk3KfUnJvHRVUlkRDECCGgCZF/REIA7mraoiMoUVPObdvm/H41u9DwoohCQvnzIhwe5lwFFscFki4BJecKCfvoyOVVbI0LxPtId3Egr1DEBAqNa4U5zaqc1m0Ll6CPJdC02o7k23eOBnwTIfiivUlMG/WfI4MxDYWHpEkN8pqoyCIynUu7AJ2a0d94Qic1CEDEDzDcAmWEf/AIkchb8aa17tCNrSyt7EeBYtmuGS8B989empSi4RghgVJ84JJVEW5BAR\u002BVQBdC0GbFea5UQGtFl9DECtmftfnzbcfjWd4Ao0i1sWp2JvWoRg/c1Ye6p4sWNBj3mb8AJTUH2czLWtG\u002BVUbaSmTrXfVdJ3F89FlEV8\u002BLIA",
      "verification": "FQwhAjmjdDZlL0GzuALKRMvLfWXTqguIyaA4AkO9vhqqXLNbDCECSG/RVwLESQomcDESpcwdCSP9aXozQGvVocAOABOwmnAMIQKq7DhHD2qtAELG6HfP2Ah9Jnaw9Rb93TYoAbm9OTY5ngwhA7IJ/U9TpxcOpERODLCmu2pTwr0BaSaYnPhfmw\u002B6F6cMDCEDuNnVdx2PUTqghpucyNUJhkA7eMbaNokGOMPUalrc4EoMIQLKDidpe5wkj28W4IX9AGHib0TahbWO6DXBEMql7DulVAwhA9nosWvZsi0zRdbUzeMb4cPh0WFTLj0MzsuV7OLrWDNuF0Ge0Nw6"
    }],
    "confirmations": 259,
    "nextblockhash": "0x9f114a26f32d77d48700da77bb3f74df5204bdd2538f53cd97d843062c9af268"
  }
}