Documentation
Arbitrum One
Arbitrum One JSON-RPC API documentation on TheRPC — methods, guides, and SDK examples.
Getting started
Quick StartHow to obtain an API key and make the first Arbitrum One JSON-RPC call using curl, JavaScript, and Python in minutes.
AuthenticationHow to obtain, use, and secure a TheRPC API key for Arbitrum One requests, including Bearer header placement, environment variable setup, and error handling.
Rate LimitsHow TheRPC enforces rate limits on Arbitrum One API requests, what error responses look like, and how to handle them with retries, batching, and caching.
API OverviewTechnical overview of TheRPC's Arbitrum One JSON-RPC 2.0 API: HTTP and WebSocket endpoints, request and response formats, authentication, and method categories.
FAQArbitrum One API FAQ on TheRPC covering authentication, rate limits, error codes, transaction tracking, chain reorgs, and performance tuning.
Basic OperationsCommon Arbitrum One operations via TheRPC: check ETH balances, query transactions and receipts, read blocks, call contracts, and fetch gas and nonce.
All MethodsComprehensive reference of all supported Arbitrum One JSON-RPC methods on TheRPC across eth_, debug_, trace_, net_, txpool_, and web3_ namespaces with CU costs.