Best Blockchain APIs for Base

GetBlock is a service that provides instant API connection to full nodes from many leading blockchain networks, including BNB Smart Chain (BSC), Ethereum (ETH), Polygon (MATIC) and Solana (SOL), among others. Since 2019, the mission of GetBlock is to ensure cost-effective tools and infrastructure that will help enterprises and individual developers to build high-quality blockchain applications faster. The service allows you to request on-chain information from a node without the need to set up one manually. GetBlock is among the leaders of the Blockchain-as-a-Service (BaaS) segment: its instruments are utilized daily by thousands of users worldwide. Their clients can get their wallets, DEXs, trading bots, games to 50+ blockchains via an intuitive API-powered dashboard.

NOWNodes is a blockchain infrastructure provider that gives developers and businesses API-based access to blockchain nodes without the need to deploy, sync, or maintain them independently. The platform supports 120+ networks, including Bitcoin, Ethereum, BNB Smart Chain, Solana, and Polygon, through shared and dedicated node options. Beyond core RPC access, NOWNodes offers WebSocket connections, Blockbook indexing, archive data, Trace/Debug methods, gRPC streaming, and a Market Data API covering 9,000+ cryptocurrencies. Its infrastructure powers wallets, exchanges, dApps, and trading tools, with customers and integrations including Trust Wallet, ChangeNOW, and Exodus.

Alchemy gives teams the blockchain infrastructure they need to build and scale onchain products without running node infrastructure themselves. Through APIs, RPC endpoints, webhooks, and developer tools across 100+ chains, Alchemy provides reliable access to blockchain data and transaction execution for apps, trading platforms, fintech products, AI agents, and more. Teams use Alchemy to ship faster, troubleshoot issues sooner, and run production workloads with the reliability and performance serious blockchain applications demand.

Across offers high speed, low fee interoperability solutions powered by intents. Intents is proving to be a winning solution, as Across dominates the routes its supports, frequently able to provide the cheapest and fastest bridge option. Across' unique value is that it guarantees genuine, not synthetic, assets are transferred cross-chain. With an Across integration, dapps and blockchains are able to provide their users with best-execution cross-chain settlement, without security tradeoffs. Across Protocol offers three products built on a modular, intents-based framework. Across Bridge, which offers high speed, low fee token bridging. Across+, a free chain abstraction tool that allows dapps to onboard users, from any chain, in seconds, for cents. Lastly, Across Settlement, which is a settlement layer that dapps can plug into, to execute intents-based order flow. The future of interoperability are intents, and Across is leading its execution.