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Blockchair.com API

API v.2 documentation

Changelog

  • v.2.0.13 - Feb 13th - Added support for Cyrillic characters in fulltext search, e.g. https://api.blockchair.com/bitcoin/outputs?q=script_bin(~привет)
  • v.2.0.12 - Feb 12th - Fixed a bug in Ethereum where some contract creations were erroneously shown as failed (thanks Daniel Luca for noticing)
  • v.2.0.11 - Feb 5th
    • We're changing behavior of our mempool tables (for all supported coins except for Ethereum): now they don't contain the contents of the latest block (it was quite a clumsy thing to have both mempool transactions and transactions from the latest block in this table, but we've rebuilt our engine, so now mempool tables contain mempool content only, and it finally makes sense!). That means:
      • {chain}/mempool/blocks is deprecated. Hint: if you used mempool/blocks to get info about the latest block you can simply switch to using blocks?limit=1, e.g. https://api.blockchair.com/bitcoin/blocks?limit=1
      • {chain}/mempool/transactions and {chain}/mempool/outputs now don't contain info from the latest block, while {chain}/transactions and {chain}/outputs do
      • Before this update when using (undocumented) export functionality there was no information about the latest block at all, now there is
      • The same change to Ethereum will come in one of the next updates
    • Dogecoin is out of beta.
    • Bitcoin SV is out of beta. Please note there's still a possibility that we won't be able to offer some functionality in the long term if blocks suddenly become larger than 1 exabyte, we're still waiting for a more clear development roadmap.
  • v.2.0.10 - Jan 29th, 2019 - Added Dogecoin support in test mode (see Dogecoin support in the docs)
  • v.2.0.9 - Dec 13th - Added Bitcoin SV support in test mode (see Bitcoin SV support in the docs); updated aggregation abilities (see Data aggregation support in the docs)
  • v.2.0.8 - Nov 26th - Added the ability to retrieve raw transaction data in hex, see Retrieving raw transactions in the docs
  • v.2.0.7 - Nov 22th - Now it's possible to broadcast transactions using our API, see Broadcasting transactions in the docs
  • v.2.0.6 - Oct 8th - Added data aggregation of blockchain data in beta mode, see Data aggregation support in the docs
  • v.2.0.5 - Oct 8th - Fixed bug where balance and received for bitcoin[-cash]|litecoin addresses in the {chain}/dashboards/address/{address} call were calculated wrong if there were specific unconfirmed transactions
  • v.2.0.4 - Oct 3rd - Added some new useful fields to {chain}/stats calls
  • v.2.0.3 - Sep 18th - Added context.api.tested_features with the list of features our API supports, but with no guarantee for backward compatibility if updated. Added Omni Layer and Wormhole support in testing mode (see "Tested features changelog")
  • v.2.0.2 - Sep 9th - Added address.contract_created to the ethereum/dashboards/address/{A} call
  • v.2.0.1 - Sep 1st, 2018 - Added Litecoin support
  • v.2.0.0 - Migrating from API v.1 to API v.2 (see the docs)

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