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Introduction

Welcome to the Upside Developer Guides!

Here, you’ll find documentation, specifications, and tools designed to support seamless integration with Upside APIs and smart contracts.

  • Relayer API: Broadcast gasless batched ERC2771 meta-transactions for EVM Security Token.

  • EVM Security Token (v4): The latest version of Upside Security Token, which adds support for ERC2771 meta-transactions, automatic continuous snapshotting for dividends, and lazy minting.

  • EVM Security Token (v3): Upside Security Token, based on ERC20 and ERC1400 standards.

  • Solana Security Token: Solana implementaion of Upside Security Token, based on SPL Token and Token-2022 standards.