# bombora

> Named for the bombora — submerged reef formations that shape powerful, rolling waves. We build the deep structure beneath the surface.

## Docs

- [Builder Public Keys](/docs/builder-public-keys): Bombora submits Ethereum Mainnet blocks only with the public key below.
- [eth_cancelBundle](/docs/eth-cancelBundle): Cancel a pending bundle by its replacement UUID. The bundle is removed from the pool and any pending built blocks containing it are invalidated.
- [eth_cancelPrivateTransaction](/docs/eth-cancelPrivateTransaction): Cancel a pending private transaction by its transaction hash.
- [eth_sendBundle](/docs/eth-sendBundle): Submit a bundle of transactions for ordered execution within a block. Transactions execute in the order submitted, with explicit controls for revertable and optional transactions.
- [eth_sendPrivateTransaction](/docs/eth-sendPrivateTransaction): Submit a single private transaction with an optional block number ceiling. The transaction is not broadcast to the public mempool.
- [eth_sendRawTransaction](/docs/eth-sendRawTransaction): Submit a single signed transaction privately. The transaction is not broadcast to the public mempool.
- [Getting Started](/docs/getting-started): Bombora is an Ethereum block builder by [Sigma Prime](https://sigmaprime.io). Submit bundles and private transactions via the JSON-RPC endpoint.