# Bootnode ## Blockchain Infrastructure for Developers > The complete blockchain development platform. Multi-chain RPC, Token APIs, NFT APIs, Smart Wallets, Webhooks, and more. ## Products - Node: Multi-chain RPC with 99.999% uptime across 100+ chains - Data: Token, NFT, and Transfer APIs - Wallets: ERC-4337 Smart Wallets with Account Abstraction - Webhooks: Real-time onchain event notifications - Gas Manager: Gas sponsorship and paymaster policies - Bundler: ERC-4337 bundler for UserOperations - Rollups: Launch custom rollups ## API Base URL https://api.bootnode.dev/v1 ## Authentication X-API-Key: ## Endpoints - POST /v1/rpc/{chain}/{network} - JSON-RPC proxy - GET /v1/tokens/{chain}/balances/{address} - Token balances - GET /v1/tokens/{chain}/metadata/{contract} - Token metadata - GET /v1/nfts/{chain}/metadata/{contract}/{token_id} - NFT metadata - GET /v1/nfts/{chain}/collection/{contract} - NFT collection info - GET /v1/nfts/{chain}/owned/{address} - NFTs owned by address - POST /v1/wallets/create - Create smart wallet - GET /v1/wallets/{address} - Get wallet details - GET /v1/wallets - List wallets - POST /v1/webhooks - Create webhook - GET /v1/webhooks - List webhooks - PATCH /v1/webhooks/{id} - Update webhook - DELETE /v1/webhooks/{id} - Delete webhook - GET /v1/gas/{chain}/prices - Gas prices - POST /v1/gas/policies - Create gas policy - POST /v1/gas/sponsor - Sponsor a UserOperation - POST /v1/bundler/{chain}/{network} - Bundler RPC - WS /v1/ws/{chain}/{network} - WebSocket subscriptions ## Supported Chains Ethereum, Solana, Base, Arbitrum, Polygon, Optimism, Avalanche, BNB Smart Chain, Lux Network, and 90+ more. ## Documentation https://bootnode.dev/docs