aid: base-l2 url: https://raw.githubusercontent.com/api-evangelist/base-l2/refs/heads/main/apis.yml name: Base kind: company description: >- Base is Coinbase's Ethereum Layer 2 network built on the OP Stack and part of the Optimism Superchain. It exposes a standard Ethereum JSON-RPC interface for smart contracts and dApps, plus higher-level developer surfaces including Base Account (Smart Wallet, Sub Accounts, passkeys, paymaster-sponsored transactions), OnchainKit React components, Mini Apps, the canonical Bridge to Ethereum, and a Solana cross- chain bridge. Block exploration is available through BaseScan and Blockscout. image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg tags: - Layer 2 - Ethereum - OP Stack - Superchain - JSON-RPC - Smart Wallet - Bridge created: '2026-05-23' modified: '2026-05-23' specificationVersion: '0.19' apis: - aid: base-l2:mainnet-rpc name: Base Mainnet JSON-RPC description: >- Standard Ethereum JSON-RPC endpoint for Base Mainnet (chain ID 8453). Supports eth_*, net_*, web3_*, and Optimism-specific extensions for fee estimation and L1 messaging. The public endpoint is rate-limited and not recommended for production; teams typically front it with Alchemy, QuickNode, Infura, Coinbase Developer Platform, or self-hosted op-geth + op-node. humanURL: https://docs.base.org/chain/network-information baseURL: https://mainnet.base.org tags: - JSON-RPC - Mainnet - EVM properties: - type: Documentation url: https://docs.base.org/chain/network-information - aid: base-l2:sepolia-rpc name: Base Sepolia JSON-RPC description: >- Public JSON-RPC endpoint for the Base Sepolia testnet (chain ID 84532) used for development, contract deployment, and integration testing. humanURL: https://docs.base.org/chain/network-information baseURL: https://sepolia.base.org tags: - JSON-RPC - Testnet - Sepolia properties: - type: Documentation url: https://docs.base.org/chain/network-information - aid: base-l2:flashblocks-rpc name: Base Flashblocks RPC description: >- Pre-confirmation JSON-RPC endpoint exposing Flashblocks — sub-block streams of ordered transactions that allow apps to react to pending state with sub-second latency. humanURL: https://docs.base.org/chain/flashblocks baseURL: https://mainnet-preconf.base.org tags: - Flashblocks - Pre-Confirmation - JSON-RPC properties: - type: Documentation url: https://docs.base.org/chain/flashblocks - aid: base-l2:bridge name: Base Bridge description: >- Canonical cross-chain bridge between Ethereum L1 and Base L2 for depositing and withdrawing ETH and ERC-20 tokens, secured by the OP Stack bridge contracts. humanURL: https://bridge.base.org baseURL: https://bridge.base.org tags: - Bridge - L1 - L2 - Canonical properties: - type: Documentation url: https://docs.base.org/chain/bridges-mainnet - type: App url: https://bridge.base.org - aid: base-l2:solana-bridge name: Base / Solana Bridge description: >- Cross-chain bridge enabling asset transfers between Base and Solana, integrated into the Base ecosystem app surface. humanURL: https://docs.base.org/chain/base-solana-bridge baseURL: https://docs.base.org/chain/base-solana-bridge tags: - Bridge - Solana - Cross-Chain properties: - type: Documentation url: https://docs.base.org/chain/base-solana-bridge - aid: base-l2:account name: Base Account / Smart Wallet description: >- Base Account (formerly Coinbase Smart Wallet) is an ERC-4337 smart contract wallet with passkey sign-in, sub-accounts, session keys, sponsored transactions via paymaster, and SDK + React component integrations. humanURL: https://docs.base.org/base-account baseURL: https://docs.base.org/base-account tags: - Smart Wallet - Account Abstraction - ERC-4337 - Passkeys properties: - type: Documentation url: https://docs.base.org/base-account - type: Website url: https://www.smartwallet.dev - aid: base-l2:onchainkit name: OnchainKit description: >- React component library and TypeScript SDK (@coinbase/onchainkit) for building onchain apps on Base — wallet, identity, transaction, swap, checkout, fund, and NFT components with built-in Smart Wallet and Mini App support. humanURL: https://docs.base.org/onchainkit baseURL: https://www.npmjs.com/package/@coinbase/onchainkit tags: - SDK - React - Components - Onchain properties: - type: Documentation url: https://docs.base.org/onchainkit - type: Repository url: https://github.com/coinbase/onchainkit - aid: base-l2:basescan-explorer name: BaseScan Block Explorer description: >- Etherscan-family block explorer for Base Mainnet and Sepolia with a public contract / transaction / address API. humanURL: https://basescan.org baseURL: https://api.basescan.org/api tags: - Block Explorer - API - BaseScan properties: - type: Documentation url: https://docs.basescan.org - type: Website url: https://basescan.org - aid: base-l2:blockscout-explorer name: Base Blockscout Block Explorer description: >- Blockscout-powered open-source block explorer for Base with REST and GraphQL APIs. humanURL: https://base.blockscout.com baseURL: https://base.blockscout.com/api tags: - Block Explorer - Blockscout - API properties: - type: Website url: https://base.blockscout.com common: - type: Website url: https://www.base.org - type: Documentation url: https://docs.base.org - type: GitHub url: https://github.com/base-org - type: GitHubOrganization url: https://github.com/base - type: Status url: https://status.base.org - type: Bridge url: https://bridge.base.org - type: Ecosystem url: https://www.base.org/ecosystem - type: Twitter url: https://x.com/base - type: Discord url: https://discord.gg/buildonbase - type: Blog url: https://base.mirror.xyz - type: LLMsTxt url: https://docs.base.org/llms.txt integrations: - name: Ethereum - name: Optimism Superchain - name: OP Stack - name: Coinbase - name: Solana (bridge) - name: Alchemy - name: QuickNode - name: Infura maintainers: - FN: Kin Lane email: kin@apievangelist.com