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API documentation
API documentation
Introduction
General stats endpoints
Retrieve overall information about blockchains and tokens
Stats on multiple blockchains at once
Bitcoin-like blockchain stats
Ethereum-like blockchain stats
Ripple-like blockchain stats
Stellar-like blockchain stats
Monero-like blockchain stats
Cardano-like blockchain stats
Mixin-like DAG stats
Tezos-like blockchain stats
EOS-like blockchain stats
Cross-chain token stats
Omni Layer stats
ERC-20 stats
Dashboard endpoints
Retrieve information about various entities in a neat format from our databases
Raw data endpoints
Retrieve raw information about various entities directly from our full nodes
Infinitable endpoints
SQL-like queries: filter, sort, and aggregate blockchain data
Misc endpoints
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Blockchair API
Blockchair API
Blockchair API provides developers, researchers, and businesses with access to data contained in 19 blockchains
Explore pricing plans
Stats on multiple blockchains at once
Allows to retrieve the most important stats on all blockchains we support via just one API request.

Endpoint:

https://api.blockchair.com/stats
If you require data on just one blockchain, please use https://api.blockchair.com/{:chain}/stats instead.

Output:

data contains an array with stats on 15 blockchains we support at once:

Bitcoin
Bitcoin Cash
Ethereum
Litecoin
Bitcoin SV
Dogecoin
Dash
Ripple
Groestlcoin
Stellar
Monero
Cardano
Zcash
Mixin
Tezos
eCash
and on 3 cross-chain tokens:

Tether (USDT)
USD Coin (USDC)
Binance USD (BUSD)
Note that Bitcoin Testnet stats are not included in this output.

Description of the fields is available in the next three sections of documentation.

Example output:

https://api.blockchair.com/stats:

{
  "data": {
    "bitcoin": {
      "data": {
        "blocks": 599952,
        ...
      }
    },
    "bitcoin-cash": {
      "data": {
        "blocks": 605134,
        ...
      }
    },
    "bitcoin-sv": {
      "data": {
        "blocks": 604886,
        ...
      }
    },
    "ethereum": {
      "data": {
        "blocks": 8766052,
        ...
      }
    },
    "litecoin": {
      "data": {
        "blocks": 1721519,
        ...
      }
    },
    "dogecoin": {
      "data": {
        "blocks": 2941267,
        ...
      }
    },
    "dash": {
      "data": {
        "blocks": 1156197,
        ...
      }
    },
    "ripple": {
      "data": {
        "ledgers": 50795982,
        ...
      }
    },
    "groestlcoin": {
      "data": {
        "blocks": 2801282,
        ...
      }
    },
    "stellar": {
      "data": {
        "ledgers": 26968006,
        ...
      }
    },
    "monero": {
      "data": {
        "blocks": 2014108,
        ...
      }
    },
    "cardano": {
      "data": {
        "blocks": 3673733,
        ...
      }
    },
    "zcash": {
      "data": {
        "blocks": 756512,
        ...
      }
    },
    "mixin": {
      "data": {
        "snapshots": 18632532,
        ...
      }
    },
    "tezos": {
      "data": {
        "blocks": 974144,
        ...
      }
    },
    "cross-chain": {
      "tether": {
        "data": ...
      },
      "usd-coin": {
        "data": ...
      },
      "binance-usd": {
        "data": ...
      }
    }
  },
  "context": {
    "code": 200,
    ...
    }
  }
}
Endpoint:

https://api.blockchair.com/stellar/stats
Output:

data contains an array with blockchain statistics:

ledgers — total number of ledgers
circulation — number of coins in circulation (in stroops)
best_ledger_height — the latest ledger number
best_ledger_hash — the latest ledger hash
best_ledger_time — the latest ledger time
ledgers_24h — number of ledgers closed over the last 24 hours
transactions_24h — number of transactions confirmed over the last 24 hours
successful_transactions_24h— number of successful transactions over the last 24 hours
failed_transactions_24h— number of failed transactions over the last 24 hours
operations_24h — number of operations over the last 24 hours
average_transaction_fee_24h — average transaction fee over the last 24 hours
average_transaction_fee_usd_24h — the same in USD
market_price_usd — average market price of 1 coin in USD (market data source: CoinGecko)
market_price_btc — average market price of 1 coin in BTC
market_price_usd_change_24h_percentage — market price change in percent for 24 hours
market_cap_usd — market capitalization (coins in circulation * price per coin in USD)
market_dominance_percentage — dominance index (how much % of the total cryptocurrency market is the market capitalization of the coin)
countdowns (optional) — an optional array of events ([event, time_left] format), where time_left is the number of seconds till the event
Example output:

https://api.blockchair.com/stellar/stats:

{
  "data": {
    "ledgers": 26602978,
    "best_ledger_height": 26602978,
    "best_ledger_hash": "3151f16e9a6ce9ee43f57a068c83a04c7e864ccc7d1027519d42aab79e13b40f",
    "best_ledger_time": "2019-11-02 16:42:01",
    "circulation": 1054439020873472900,
    "ledgers_24h": 15643,
    "transactions_24h": 461072,
    "successful_transactions_24h": 285958,
    "failed_transactions_24h": 175114,
    "operations_24h": 1085466,
    "average_transaction_fee_24h": 283.5731513695005,
    "average_transaction_fee_usd_24h": 0.000001991250668916633,
    "market_price_usd": 0.07022,
    "market_price_btc": 0.0000075229454120425,
    "market_price_usd_change_24h_percentage": 3.41847,
    "market_cap_usd": 1406714595,
    "market_dominance_percentage": 0.56
  },
  "context": {
    "code": 200,
    ...
  }
}
Request cost formula:

Always 1.

Explore visualization on our front-end:

https://blockchair.com/stellar
Request cost formula:
rs, and businesses with access to data contained in 19 blockchains
Explore pricing plans
Bitcoin-like blockchain stats
Endpoints:

https://api.blockchair.com/bitcoin/stats
https://api.blockchair.com/bitcoin-cash/stats
https://api.blockchair.com/litecoin/stats
https://api.blockchair.com/bitcoin-sv/stats
https://api.blockchair.com/dogecoin/stats
https://api.blockchair.com/dash/stats
https://api.blockchair.com/groestlcoin/stats
https://api.blockchair.com/zcash/stats
https://api.blockchair.com/ecash/stats
https://api.blockchair.com/bitcoin/testnet/stats
Output:

data contains an array with blockchain statistics:

blocks — total number of blocks (note that it's 1 more than the latest block number as there is block #0)
transactions — total number of transactions
outputs — total number of outputs (including spent)
circulation — number of coins in circulation (in satoshi)
blockchain_size — total size of all blocks in bytes (note: it's not the size of a full node, it's just bare blocks; nodes are bigger in size as they use database indexing, etc)
nodes— number of full network nodes (it's an approximate number and actually not a blockchain metric)
difficulty — current mining difficulty
hashrate_24h — approximated hashrate over the last 24 hours (returned as a string as it doesn't fit into an integer)
next_retarget_time_estimate — approximate timestamp of the next difficulty retarget (this field is available for Bitcoin and Litecoin only)
next_difficulty_estimate — approximate next difficulty value (this field is available for Bitcoin and Litecoin only)
best_block_height — the latest block height
best_block_hash — the latest block hash
best_block_time — the latest block time
mempool_transactions — number of transactions in the mempool
mempool_outputs — number of outputs in the mempool
mempool_size — mempool size in bytes
mempool_tps — number of transactions per second added to the mempool
mempool_total_fee_usd — sum of transaction fees in the mempool, in USD
blocks_24h — number of blocks mined over the last 24 hours
transactions_24h — number of transactions confirmed over the last 24 hours
volume_24h — total monetary volume of transactions over the last 24 hours
average_transaction_fee_24h — average transaction fee over the last 24 hours
average_transaction_fee_usd_24h — the same in USD
median_transaction_fee_24h— median transaction fee over the last 24 hours
median_transaction_fee_usd_24h — the same in USD
inflation_24h— number of new coins mined over the last 24 hours (in satoshi), this can be considered as the daily inflation
inflation_usd_24h — the same in USD
cdd_24h— total coindays destroyed over the last 24 hours
largest_transaction_24h — array of hash and value_usd — biggest payment over the last 24 hours
market_price_usd — average market price of 1 coin in USD (market data source: CoinGecko)
market_price_btc — average market price of 1 coin in BTC (for Bitcoin it always returns 1)
market_price_usd_change_24h_percentage — market price change in percent for 24 hours
market_cap_usd — market capitalization (coins in circulation * price per coin in USD)
market_dominance_percentage — dominance index (how much % of the total cryptocurrency market is the market capitalization of the coin)
countdowns (optional) — an optional array of events ([event, time_left] format), where time_left is the number of seconds till the event
suggested_transaction_fee_per_byte_sat — suggests a proper transaction fee in satoshi per byte based on the latest block
hodling_addresses — the total number of addresses with positive balance
Example output:

https://api.blockchair.com/bitcoin/stats:

{
  "data": {
    "blocks": 690165,
    "transactions": 654248075,
    "outputs": 1776138129,
    "circulation": 1875100229497096,
    "blocks_24h": 130,
    "transactions_24h": 229726,
    "difficulty": 14363025673660,
    "volume_24h": 187713267560047,
    "mempool_transactions": 6591,
    "mempool_outputs": 16532,
    "mempool_size": 5076549,
    "mempool_tps": 5.416666666666667,
    "mempool_total_fee_usd": 14219.1005,
    "best_block_height": 690164,
    "best_block_hash": "000000000000000000023fcb3703bf89ddbfc1ef5109f21c2387a9d630b78c6e",
    "best_block_time": "2021-07-08 14:37:00",
    "blockchain_size": 353767186147,
    "average_transaction_fee_24h": 14421,
    "inflation_24h": 81250000000,
    "median_transaction_fee_24h": 5269,
    "cdd_24h": 3696149.5996842394,
    "mempool_outputs": 44316,
    "largest_transaction_24h": {
      "hash": "7a83c11f42dadad1c6916cceb079835aa09ed70127dba7cdf15aa904277c907d",
      "value_usd": 773548352
    },
    "nodes": 8502,
    "hashrate_24h": "92904707138521187685",
    "inflation_usd_24h": 26587437.5,
    "average_transaction_fee_usd_24h": 4.719001232335435,
    "median_transaction_fee_usd_24h": 1.724338485,
    "market_price_usd": 32723,
    "market_price_btc": 1,
    "market_price_usd_change_24h_percentage": -5.7534,
    "market_cap_usd": 613578128025,
    "market_dominance_percentage": 43.03,
    "next_retarget_time_estimate": "2021-07-18 19:23:20",
    "next_difficulty_estimate": 17958208674260,
    "countdowns": [],
    "suggested_transaction_fee_per_byte_sat": 17,
    "hodling_addresses": 38343147
  },
  "context": {
    "code": 200,
    ...
  }
}

Always 1.

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