Okto Flutter SDK Documentation

A complete guide to integrating Okto into your Flutter projects.

Introduction to the Okto Flutter SDK

Okto Flutter SDK is your all-in-one toolkit for adding Web3 functionality to any Flutter application. With minimal setup time, you can effortlessly onboard your users to the Web3 ecosystem and provide them with a seamless experience.

Note: Currently, iOS support is not available. The SDK is fully functional on Android. iOS support will be introduced in future releases.

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Key Features

  • Out-of-the-Box Chain Support
    Integrate with a wide range of blockchain networks, including:

    • EVM Chains: Ethereum, Polygon, Binance Smart Chain, and other EVM-compatible networks.
    • Non-EVM Chains: Solana and Aptos.
    • Upcoming Support: Cosmos will be supported soon, expanding your app's capabilities further.

  • Customizable UI
    Tailor the onboarding experience to fit your app’s design and user flow. The SDK offers various UI components and configurations to progressively onboard users, making it easy to guide them through the Web3 integration process.

  • Comprehensive Toolkit

    • Tokens: Easily manage token balances, transfers, and other operations.
    • NFTs: Mint, transfer, and display NFTs without leaving your Flutter codebase.
    • Advanced Contract Interactions: Execute and interact with smart contracts directly from your app.

  • Multiple Authentication Methods
    Secure user logins with Google OAuth, Email OTP or Phone OTP. Whatever fits your users and use case best.

Below is an overview of the main sections in our Flutter SDK documentation, guiding you from basic setup to advanced, production-ready features.

1. Getting Started

Begin your journey with the Okto Flutter SDK by learning the essentials. This section is perfect for first-time users and covers the initial steps required to get the SDK integrated into your Flutter Project.

  • Prerequisites
    Ensure you have the necessary Flutter environment, Okto API key, and Google OAuth credentials (if required).

  • Quickstart Guide
    Follow a step-by-step tutorial to install the SDK, configure authentication, and deploy your first Okto-powered app in under 10 minutes.

2. SDK Configurations

Discover how to unlock the SDK’s powerful features, from multi-chain wallet management to raw transaction execution.

  • Chains and Tokens
    Learn how to retrieve network and token information using the Okto SDK.

  • Authenticate Users
    Implement secure authentication flows—Google OAuth, phone or email OTP, plus session management.

  • Okto Embedded Wallet
    Build a robust in-app wallet experience with multi-chain token/NFT support, raw transactions, and custom UI screens.

3. Example Apps

Learn by examining practical, real-world implementations of the Okto Flutter SDK.

  • Template App
    A starter Flutter project showing best practices for authentication, wallet usage, and cross-chain operations.

  • Example Repos
    Check out some of the example repos to see what others have been building using Okto.

4. Troubleshooting & FAQ

Find solutions to common issues, debug errors, and learn how to get help when needed.

Get Started

Ready to integrate Okto into your Flutter app? Begin with our Getting Started guide to set up your environment, obtain your Okto API key, and create a simple app. From there, explore advanced features like raw transactions, cross-chain NFT management, or UI customizations.

For additional questions or direct support, check out our Contact Us page or email us at [email protected].

Happy Building!

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