getblockchaininfo

Returns an object containing various state info regarding blockchain processing.

Result example

{                                         (json object)
  "chain" : "str",                        (string) current network name (main, test, regtest)
  "blocks" : n,                           (numeric) the height of the most-work fully-validated chain. The genesis block has height 0
  "headers" : n,                          (numeric) the current number of headers we have validated
  "bestblockhash" : "str",                (string) the hash of the currently best block
  "difficulty" : n,                       (numeric) the current difficulty
  "mediantime" : n,                       (numeric) median time for the current best block
  "verificationprogress" : n,             (numeric) estimate of verification progress [0..1]
  "initialblockdownload" : true|false,    (boolean) (debug information) estimate of whether this node is in Initial Block Download mode
  "chainwork" : "hex",                    (string) total amount of work in active chain, in hexadecimal
  "size_on_disk" : n,                     (numeric) the estimated size of the block and undo files on disk
  "pruned" : true|false,                  (boolean) if the blocks are subject to pruning
  "pruneheight" : n,                      (numeric) lowest-height complete block stored (only present if pruning is enabled)
  "automatic_pruning" : true|false,       (boolean) whether automatic pruning is enabled (only present if pruning is enabled)
  "prune_target_size" : n,                (numeric) the target size used by pruning (only present if automatic pruning is enabled)
  "softforks" : {                         (json object) status of softforks
    "xxxx" : {                            (json object) name of the softfork
      "type" : "str",                     (string) one of "buried", "bip9"
      "bip9" : {                          (json object) status of bip9 softforks (only for "bip9" type)
        "status" : "str",                 (string) one of "defined", "started", "locked_in", "active", "failed"
        "bit" : n,                        (numeric) the bit (0-28) in the block version field used to signal this softfork (only for "started" status)
        "start_time" : xxx,               (numeric) the minimum median time past of a block at which the bit gains its meaning
        "timeout" : xxx,                  (numeric) the median time past of a block at which the deployment is considered failed if not yet locked in
        "since" : n,                      (numeric) height of the first block to which the status applies
        "statistics" : {                  (json object) numeric statistics about BIP9 signalling for a softfork (only for "started" status)
          "period" : n,                   (numeric) the length in blocks of the BIP9 signalling period
          "threshold" : n,                (numeric) the number of blocks with the version bit set required to activate the feature
          "elapsed" : n,                  (numeric) the number of blocks elapsed since the beginning of the current period
          "count" : n,                    (numeric) the number of blocks with the version bit set in the current period
          "possible" : true|false         (boolean) returns false if there are not enough blocks left in this period to pass activation threshold
        }
      },
      "height" : n,                       (numeric) height of the first block which the rules are or will be enforced (only for "buried" type, or "bip9" type with "active" status)
      "active" : true|false               (boolean) true if the rules are enforced for the mempool and the next block
    },
    ...
  },
  "warnings" : "str"                      (string) any network and blockchain warnings
}

Request

Curl

curl --location --request POST 'https://btc.api.watchdata.io/node/jsonrpc?api_key=your_api_key' \
--header 'x-api-key: your_api_key' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "1.0",
    "id": "curltest",
    "method": "getblockchaininfo",
    "params": []
}'

Postman

URL: https://btc.api.watchdata.io/node/jsonrpc?api_key=your_api_key
RequestType: POST
Body: 
{
    "jsonrpc": "1.0",
    "id": "curltest",
    "method": "getblockchaininfo",
    "params": []
}

Response

{
    "chain": "main",
    "blocks": 736632,
    "headers": 736632,
    "bestblockhash": "00000000000000000008dffb423958462324be684c2b66c0eb930ebde6fe2079",
    "difficulty": 31251101365711.12,
    "mediantime": 1652707901,
    "verificationprogress": 0.9999967691285034,
    "initialblockdownload": false,
    "chainwork": "00000000000000000000000000000000000000002df6974ddbda1bf54c9407ee",
    "size_on_disk": 461839725717,
    "pruned": false,
    "softforks": {
        "bip34": {
            "type": "buried",
            "active": true,
            "height": 227931
        },
        "bip66": {
            "type": "buried",
            "active": true,
            "height": 363725
        },
        "bip65": {
            "type": "buried",
            "active": true,
            "height": 388381
        },
        "csv": {
            "type": "buried",
            "active": true,
            "height": 419328
        },
        "segwit": {
            "type": "buried",
            "active": true,
            "height": 481824
        },
        "taproot": {
            "type": "bip9",
            "bip9": {
                "status": "active",
                "start_time": 1619222400,
                "timeout": 1628640000,
                "since": 709632,
                "min_activation_height": 709632
            },
            "height": 709632,
            "active": true
        }
    },
    "warnings": ""
}