Blockchain Tools

Blockchain Tools

Blockchain Tools is a set of prepared cryptographic APIs which save time and effort. This product has no connection with any database or blockchain node and doesn't record any data. It's a quick crypto helper. Derive receiving/change addresses from HD wallet (xPub, yPub, zPub), broadcast signed transactions, prepare transactions, validate an address or check a format, and more.

Blockchain Tools

Trusted By


  • Different blockchains have different libraries.
  • Different libraries need to be checked and updated regularly, some times even change in code is needed.
  • Certain libraries are not available in your particular programming language.


  • Unified endpoints - no matter of the blockchain protocol and network.
  • We take care of the libraries, you focus on the completed result.
  • OpenAPI 3.0 based REST APIs with up to date SDKs in your preferred programming language.
  • Wesley Wen

    Wesley Wen

    Technical Director


    Choosing Crypto APIs has helped us to not only accelerate the progress of developing new features for our CoolWallet product but also while providing great stability. Their services are valuable to us and their products are offered at a fair price.

  • Angus Goldman

    Angus Goldman

    Co-founder & CTO


    The Crypto APIs team helped us with our development and scaling challenges by utilizing their Blockchain products. Unlike previous providers, we advantaged from their seamless integration providing us blockchain data, transaction notifications, accurate exchange rates, and more by using just one SDK and all with just one subscription from the same provider.

  • Xavier Hendrickx

    Xavier Hendrickx

    Co-founder & CTO


    After trying multiple different platforms, we were impressed by Crypto API's quality support and robust uptime. Crypto API is now our number one choice for blockchain gateway.


  • Deriving HD (xPub, yPub, zPub) receiving addresses

    You can derive HD receiving addresses where we will return xPub, yPub, zPub, seed, etc. and never save any of the data on our side.

  • Deriving HD (xPub, yPub, zPub) change addresses

    You can derive change addresses from a certain HD wallet no matter of the address format.

  • Decode a Raw Transaction

    Decode raw transactions without propagation. Double-check another client library or confirm that another service is sending the proper transactions.

  • Broadcast signed transaction

    In case you want to locally sign transactions on your side, in the case you have a hardware wallet, or you don't want to share the private key with anyone, you can use this feature to eliminate the need of having your own node.

  • Validate Addresses and Check Formats

    Validate certain address and easily check its format/type by using our endpoints.

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Why customers choose Crypto APIs 2.0

Build at the fraction of time using our Open API 3.0 specifications and multiprogramming language SDKs.

With Crypto APIs 2.0, you can integrate in hours, go to market in days and save from your development and large infrastructure bills.

Save from your development and large monthly bills by using Crypto APIs 2.0 instead of running your own infrastructure, all without compromising security.

Multiregional, Auto Scaled, and Enterprise-grade security cloud-based solution.