Base is a Layer 2 (L2) blockchain developed by Coinbase, designed to provide fast, low-cost transactions while leveraging Ethereum’s security. As Base gains traction, developers need efficient APIs to interact with the blockchain, fetch transaction data, query smart contracts, monitor NFTs, and analyze DeFi activity.
This guide explores the 10 best Base blockchain APIs, comparing their performance, features, and scalability to help you choose the right one.
Bitquery provides the most comprehensive Base API, offering real-time and historical transaction data, smart contract analytics, NFT tracking, and DeFi monitoring. Unlike node-based APIs, Bitquery delivers indexed blockchain data, making it the best solution for on-chain analytics, regulatory compliance, and financial applications.
Track transactions on memecoin platforms like Clanker in real-time.
Key Features
- Base Transaction API – Retrieve detailed transaction data, including gas fees, smart contract calls, and token transfers.
- Base Smart Contract API – Decode contract interactions, function calls, and event logs.
- Base NFT API – Track NFT ownership, transfers, metadata, and sales activity.
- Base Trades API – Monitor DEX liquidity pools, token swaps, and lending protocols.
- Base Block API – Access block-level data, miner rewards, and gas usage.
- No Node Maintenance Required – Unlike node-based solutions, Bitquery provides indexed blockchain data, eliminating infrastructure costs.
2. Alchemy
Alchemy is a developer-friendly Base API offering fast and scalable node infrastructure for DeFi, NFT, and gaming applications.
Key Features
- Supercharged Base RPC API – Reduces query latency for seamless transaction execution.
- Enhanced Web3 Methods – Supports batch requests, debug tracing, and event subscriptions.
- NFT API – Fetch metadata, ownership records, and transaction history.
- Transaction Simulation API – Test transactions before broadcasting them to the Base network.
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3. Infura
Infura provides scalable API access to Base, commonly used by wallets, DeFi platforms, and NFT applications.
Key Features
- Base JSON-RPC API – Query blockchain data through HTTP, WebSockets, and GraphQL.
- IPFS & Filecoin Integration – Secure decentralized storage for dApps.
- Real-time Event Monitoring – Track contract executions and wallet activity.
4. QuickNode
QuickNode offers a fast and reliable Base API, ideal for NFT projects, DeFi protocols, and high-frequency trading applications.
Key Features
- 5x Faster API Queries – Improves transaction speed and performance.
- WebSockets & RPC Support – Enables real-time blockchain event streaming.
- Archive Node Access – Retrieve historical transaction data.
5. Ankr
Ankr provides decentralized RPC endpoints for Base, reducing single-point failures in node infrastructure.
Key Features
- Base RPC API – Query smart contracts, transactions, and balances.
- Decentralized Node Infrastructure – This ensures high uptime and reliability.
- Multi-Chain Support – Works with Ethereum, Polygon, Avalanche, and more.
6. Tatum
Tatum provides a Base API designed for NFTs, smart contracts, and DeFi applications.
Key Features
- Base Transaction API – Sign, broadcast, and track transactions.
- Gas Fee Optimization – Reduces transaction costs with dynamic fee estimation.
- Multi-Chain Support – Works with Base, Ethereum, Polygon, Solana, and more.
7. Covalent
Covalent provides a unified Base API for historical transactions, token balances, and DeFi analytics.
Key Features
- Historical Blockchain Data – Retrieve past transactions with timestamp indexing.
- DeFi Data API – Fetch lending rates, DEX liquidity, and TVL.
- NFT API – Monitor NFT ownership and metadata history.
8. The Graph
The Graph allows developers to query Base blockchain data using subgraphs, improving search efficiency and analytics.
Key Features
- GraphQL-Based Queries – Fetch blockchain data with custom indexing.
- Decentralized Indexing – Reduces reliance on centralized APIs.
- Ideal for DeFi & NFT Projects – Used by Uniswap, Aave, and other protocols.
9. NowNodes
NowNodes provides full-node access to Base, allowing direct blockchain queries for explorers, wallets, and financial applications.
10. BaseScan API
BaseScan, powered by Etherscan, provides an API for monitoring Base transactions, contracts, and token balances.
Final Thoughts: Why Bitquery is the Best Base API?
Unlike traditional Base APIs, Bitquery offers deep blockchain analytics, real-time transaction decoding, and multi-chain indexing, making it the best choice for developers building scalable, data-driven blockchain applications.
