> For the complete documentation index, see [llms.txt](https://docs.bwarelabs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bwarelabs.com/api-docs/polkadot-api/rpc.md).

# RPC

- [chain\_getBlock](https://docs.bwarelabs.com/api-docs/polkadot-api/rpc/chain_getblock.md): Get header and body of a relay chain block
- [chain\_getHeader](https://docs.bwarelabs.com/api-docs/polkadot-api/rpc/chain_getheader.md): Retrieves the header for a specific block
- [system\_chainType](https://docs.bwarelabs.com/api-docs/polkadot-api/rpc/system_chaintype.md): Retrieves the chain type
- [state\_getMetadata](https://docs.bwarelabs.com/api-docs/polkadot-api/rpc/state_getmetadata.md): Returns the runtime metadata