API Documentation

Use the Virtoshi API to provide detailed insights into Bitcoin transactions before they are signed. You will receive a complete overview of how many Bitcoin, Ordinals and BRC-20's are being transferred in transaction along with who sends and receives it.

Getting started

To get started, create a new API key in your account settings, then read about how to run a simulation using our HTTP APIs or dedicated client SDKs.



Learn how to authenticate your API requests.


Learn how to simulate Bitcoin PSBTs and transactions.


Read about the different types of errors returned by the API.

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