Release Notes 1.5


Until now, Tangany Custody Suite was mainly focused on write access to blockchains. That included the creation of new wallets and the execution of transactions and smart contract interactions. With the release of 1.5, we add the complementary read functionality to it.

The Read API allows all clients and partners to easily read the transaction and event history of wallets and smart contracts on Ethereum. With that, the solution supports all major types of interaction with blockchain using one unified API solution.

Please note, although demo account users can test-drive the Read endpoints without restrictions, due to its limited release status for productive workload paid-accounts are required to opt-in to this Beta feature by contacting the Tangany Support Team


  • Support new custom header tangany-ethereum-gas to enforce user-defined gas amount for Ethereum transactions
  • Support new custom header tangany-ethereum-nonce to enforce given nonce in Ethereum transactions



  • Improve the error message when sending less than 1 Wei in an Ethereum transaction
  • Fix ancient Ethereum transactions being reported as erroneous
Alexey is one of the Co-founders of Tangany and our Tech Lead.
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