curl -H "Content-Type: application/json" -d '{"id":1, "jsonrpc":"2.0", "method": "chain_getBlock"}' 'https://coretime-kusama.api.onfinality.io/public'https://coretime-kusama.api.onfinality.io/publicwss://coretime-kusama.api.onfinality.io/public-ws* The public endpoint is rate limited
ArchiveTrace
Hong Kong
FullArchiveCollator
Hong Kong
JSON-RPCWebSocketsMetrics
Only pay for what you need.
Coretime Kusama is a parachain on the Kusama network that implements the Agile Coretime protocol. It manages the sale, ownership (as NFTs), and scheduling of coretime—the processing power allocated to parachains. This replaces the previous parachain auction system with a more flexible, on-demand blockspace market.
Developers building on Coretime Kusama need reliable RPC access to:
OnFinality provides managed RPC endpoints and dedicated nodes for Coretime Kusama, so you can focus on your application without managing blockchain infrastructure.
OnFinality offers both public and authenticated RPC endpoints for Coretime Kusama:
Both endpoints support HTTP and WebSocket transports using the Substrate JSON-RPC protocol.
For teams that need full control and dedicated resources, OnFinality offers dedicated nodes:
Dedicated nodes are ideal for high-throughput applications, indexers, and services requiring consistent performance.
Coretime Kusama supports archive node access, allowing historical queries back to genesis. Trace capabilities are also available depending on the plan. Archive nodes are included at no extra cost with API service plans.
chain_getBlock or other methods.OnFinality endpoints are designed for production use. With managed infrastructure monitoring on API services, request analytics, and scalable plans, you can confidently build dApps, wallets, DeFi products, games, bots, and backend services on Coretime Kusama.
Most teams looking for Coretime Kusama RPC need to answer a practical question: can this endpoint support the app, wallet, analytics job, or backend service they are building?
Best fit: mainnet production workflows for Substrate products, indexers, and chain services.
What builders usually check first:
Supported capability notes:
Decision notes:
A quick connection check usually starts with chain_getBlock, then moves into the exact methods your wallet, dashboard, bot, indexer, or backend service needs.
Planning the next step:
Next steps:
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