Dokumentation
Fantom
Fantom JSON-RPC API documentation on TheRPC — methods, guides, and SDK examples.
Getting started
Quick StartGet a TheRPC API key and make your first Fantom Opera JSON-RPC call with curl, JavaScript, and Python in minutes — chain ID 250.
AuthenticationHow to obtain, use, and secure a TheRPC API key for Fantom Opera requests, including Bearer header placement, env setup, and auth error handling.
Rate LimitsHow TheRPC enforces rate limits on Fantom Opera requests and how to handle them with retries, batching, caching, and WebSocket subscriptions.
API OverviewTechnical overview of TheRPC's Fantom Opera JSON-RPC 2.0 API: HTTP and WebSocket endpoints, request and response formats, auth, and method categories.
FAQFAQs about the Fantom Opera API on TheRPC — authentication, rate limits, error codes, transaction tracking, chain reorgs, and performance tuning.
Basic OperationsPerform the most common Fantom Opera operations via TheRPC: check FTM balances, query transactions and receipts, read blocks, and call smart contracts.
All MethodsEvery supported Fantom Opera (chain ID 250) JSON-RPC method on TheRPC across eth_, debug_, trace_, net_, txpool_, and web3_ namespaces.