> For the complete Linea documentation index, see [llms.txt](/llms.txt). > Agents can fetch this page as Markdown at [https://docs.linea.build/api/quickstart.md](https://docs.linea.build/api/quickstart.md). # Get started Get started with the Linea APIs and SDK. Explore the JSON-RPC API reference, smart contract reference, Linea SDK, and Token API. [ Make JSON-RPC API calls to Linea ](/api/reference)[ Explore the smart contract reference ](/api/linea-smart-contracts/linearollup)[ Use the Linea SDK ](/api/linea-sdk)[ Explore the Token API ](/api/token-api)