Best Crypto APIs for Optimism

Founded in 2017 and headquartered in Hong Kong, Cregis is an enterprise digital asset infrastructure platform. Over the past nine years, Cregis has helped more than 4,000 businesses across 50+ countries and regions build, operate, and scale digital asset operations. Its clients include crypto exchanges, fintech companies, payment providers, digital banks, brokers, and Web3 businesses. To support the evolving needs of enterprise digital asset operations, Cregis has developed a three-layer infrastructure stack spanning Wallet Infrastructure, Fund Flow Orchestration, and Custody Capabilities. Together, these capabilities help businesses manage the full lifecycle of digital assets, from asset control and treasury operations to governance and compliance. Its core products, Wallet-as-a-Service(WaaS) and Payment Engine, are widely used across enterprise digital asset use cases. To address broader treasury and operational needs, Cregis continues to expand its ecosystem with products and services such as TronGas and Crypto Off-Ramp, helping businesses manage digital assets more efficiently throughout their lifecycle. As digital assets become increasingly integrated into mainstream business and financial systems, institutional requirements around governance, risk management, and regulatory compliance continue to evolve. In response, Cregis launched Cregis Trust Vault solution in 2025, further expanding its custody capabilities for institutional clients. It supports the secure storage, management, and movement of digital assets, including stablecoins, while helping organizations strengthen internal controls and compliance frameworks without sacrificing operational efficiency. Today, Cregis operates a global network anchored by its Hong Kong global operations hub, with regiona

Mobula offers curated datasets: market data from Octopus, wallet data from Metacore, metadata from Metacore, along with REST, GraphSQL & SQL query interfaces.

Zerion is a mobile-first cryptocurrency wallet for active Web3 citizens. Manage your entire DeFi and NFT portfolios, trade over 10+ networks, connect to any decentralized app on the move, and more. Zerion Wallet supports Ethereum, BSC and Polygon, Polygon, Optimism. Fantom, Avalanche and more. All your Web3 actions are visible Zerion Wallet tracks all your actions across Web3. Trade across more than 10+ blockchains. Zerion compares swap prices across 0x, 1inch and major DEXes to find the best price for swaps. With the built-in decentralized app browsers, you can connect to any application on the move. Switch between wallets or networks easily Never miss another NFT drop! Privacy is a priority for Zerion Wallet. Zerion does not track your IP and does not cross-associate with wallets. Zerion's web site is completely de-Googled.

BlockSpan serves as an NFT API platform tailored for software companies engaged in blockchain development. By consolidating information from various blockchain networks, we offer a streamlined API that enables NFT developers to access real-time data such as token prices, ownership status, and metadata, including pre-cached images. Transitioning between multiple blockchains or utilizing different chains doesn't have to be a cumbersome process; instead of laboriously scraping block logs, you can effortlessly implement a straightforward REST API integration. Our API provides more than just transactional information; it also delivers details on pricing, current ownership, and extensive metadata. Currently, our platform supports Ethereum, Polygon, Arbitrum, and Optimism, with additional blockchain integrations on the horizon. We have also created comprehensive documentation for every endpoint, which features an interactive API console to enhance usability. Moreover, our NFT API is designed to include token metadata and cached image URLs, effectively reducing the need for multiple API and IPFS calls to gather that information. With such functionality, developers can focus on building innovative applications without the hassle of backend complexities.