API Documentation

Use the Fystack API to create and manage secure MPC wallets, authorize transactions, deploy smart contracts, and integrate advanced wallet features like transaction policies and multi-approval flows — all without ever touching a private key.

Our API is designed for developers who want enterprise-grade security with plug-and-play simplicity. Get started in minutes using our RESTful endpoints or one of our fully featured SDKs.

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Guides

Authentication

Learn how to authenticate your API requests.

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Pagination

Understand how to work with paginated responses.

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Errors

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

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Webhooks

Learn how to programmatically configure webhooks for your app.

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Resources

Wallets

Create and manage secure wallets for digital assets with standard and MPC options.