# Developer

- [Run Espresso Infrastructure](https://docs.espressosys.com/network/developer/operators.md): Pick the right Espresso infrastructure role for your team: validator, builder, or Caff Node.
- [Run a Validator Node](https://docs.espressosys.com/network/developer/operators/run-a-node.md): How to run an Espresso validator node: choose a network, register, and find the exact configuration you need.
- [Run a Builder](https://docs.espressosys.com/network/developer/operators/running-a-builder.md): Information about running a builder for the Espresso Network
- [Run a Caff Node](https://docs.espressosys.com/network/developer/operators/running-caff-node.md)
- [Integrate a Chain](https://docs.espressosys.com/network/developer/rollup-developers.md)
- [Nitro / Orbit](https://docs.espressosys.com/network/developer/rollup-developers/nitro.md): Arbitrum integration with Espresso
- [Deploy a New Orbit Chain](https://docs.espressosys.com/network/developer/rollup-developers/nitro/deploy-a-new-orbit-chain.md)
- [Deploy Your Own Orbit Chain Caff Node](https://docs.espressosys.com/network/developer/rollup-developers/nitro/deploy-your-own-caff-node.md)
- [Migrate an Existing Orbit Chain to Espresso](https://docs.espressosys.com/network/developer/rollup-developers/nitro/migrate-orbit-chains-to-espresso.md)
- [Using TEE with Nitro](https://docs.espressosys.com/network/developer/rollup-developers/nitro/using-tee-with-nitro.md)
- [Arbitrum Nitro Trust & Liveness Dependencies](https://docs.espressosys.com/network/developer/rollup-developers/nitro/arbitrum-nitro-trust-and-liveness-dependencies.md)
- [Mainnet 0 to Mainnet 1 Upgrade](https://docs.espressosys.com/network/developer/rollup-developers/nitro/rollup-migration-guide.md): Migrating rollup integrations from Mainnet 0 to Mainnet 1
- [OP Stack](https://docs.espressosys.com/network/developer/rollup-developers/op.md)
- [OP Stack Integration](https://docs.espressosys.com/network/developer/rollup-developers/op/op-stack-integration.md)
- [ZK Attestation Verification](https://docs.espressosys.com/network/developer/rollup-developers/op/zk-attestation-verification.md)
- [ZK Rollups (WIP)](https://docs.espressosys.com/network/developer/rollup-developers/integrating-a-zk-rollup.md)
- [Build an Application](https://docs.espressosys.com/network/developer/dapp.md)
- [Reading from Espresso](https://docs.espressosys.com/network/developer/dapp/read-from-network.md)
- [Bridging](https://docs.espressosys.com/network/developer/dapp/bridging-with-the-espresso-network.md): Using Espresso confirmations for bridging
- [Trustless Sync](https://docs.espressosys.com/network/developer/dapp/trustless-sync.md)
- [Fork Recovery](https://docs.espressosys.com/network/developer/dapp/fork-recovery.md)
- [Single-Chain App via Caff Node](https://docs.espressosys.com/network/developer/dapp/create-single-chain-app.md)
- [Crosschain via Hyperlane](https://docs.espressosys.com/network/developer/dapp/create-cross-chain-app-hyperlane.md)
- [Presto: Crosschain Minting](https://docs.espressosys.com/network/developer/dapp/deploy-presto.md)
- [API Reference](https://docs.espressosys.com/network/developer/espresso-api.md): Reference for REST APIs served by Espresso nodes and query services
- [Status API](https://docs.espressosys.com/network/developer/espresso-api/status-api.md): Node-specific state and consensus metrics
- [Catchup API](https://docs.espressosys.com/network/developer/espresso-api/catchup-api.md): Serves recent consensus state to allow peers to catch up with the network
- [Availability API](https://docs.espressosys.com/network/developer/espresso-api/availability-api.md): Serves data recorded by the Tiramisu DA layer, such as committed blocks
- [Node API](https://docs.espressosys.com/network/developer/espresso-api/node-api.md): Complements the availability API by serving eventually consistent data that is not necessarily agreed upon by all nodes
- [State API](https://docs.espressosys.com/network/developer/espresso-api/state-api.md): Serves consensus state derived from finalized blocks
- [Events API](https://docs.espressosys.com/network/developer/espresso-api/events-api.md): Streams events from HotShot
- [Submit API](https://docs.espressosys.com/network/developer/espresso-api/submit-api.md): Submit transactions to the public mempool
- [Builder API](https://docs.espressosys.com/network/developer/espresso-api/builder-api.md): The following describes the API endpoints a builder needs to support in order to build blocks in Espresso.
- [Earlier Versions](https://docs.espressosys.com/network/developer/espresso-api/earlier-versions.md)
- [v0](https://docs.espressosys.com/network/developer/espresso-api/earlier-versions/espresso-api.md): Reference for v0 REST APIs served by Espresso nodes and query services
- [Status API](https://docs.espressosys.com/network/developer/espresso-api/earlier-versions/espresso-api/status-api.md): Node-specific state and consensus metrics
- [Catchup API](https://docs.espressosys.com/network/developer/espresso-api/earlier-versions/espresso-api/catchup-api.md): Serves recent consensus state to allow peers to catch up with the network
- [Availability API](https://docs.espressosys.com/network/developer/espresso-api/earlier-versions/espresso-api/availability-api.md): Serves data recorded by the Tiramisu DA layer, such as committed blocks
- [Node API](https://docs.espressosys.com/network/developer/espresso-api/earlier-versions/espresso-api/node-api.md): Complements the availability API by serving eventually consistent data that is not necessarily agreed upon by all nodes
- [State API](https://docs.espressosys.com/network/developer/espresso-api/earlier-versions/espresso-api/state-api.md): Serves consensus state derived from finalized blocks
- [Events API](https://docs.espressosys.com/network/developer/espresso-api/earlier-versions/espresso-api/events-api.md): Streams events from HotShot
- [Submit API](https://docs.espressosys.com/network/developer/espresso-api/earlier-versions/espresso-api/submit-api.md): Submit transactions to the public mempool
- [Protocol Reference](https://docs.espressosys.com/network/developer/the-espresso-network.md): The universal settlement layer
- [System Overview](https://docs.espressosys.com/network/developer/the-espresso-network/system-overview.md)
- [HotShot Consensus](https://docs.espressosys.com/network/developer/the-espresso-network/properties-of-hotshot.md)
- [EspressoDA](https://docs.espressosys.com/network/developer/the-espresso-network/properties-of-hotshot/espresso-data-availability-layer.md)
- [How It Works](https://docs.espressosys.com/network/developer/the-espresso-network/properties-of-hotshot/espresso-data-availability-layer/how-it-works.md): A step-by-step guide on the data availability process
- [Interfaces](https://docs.espressosys.com/network/developer/the-espresso-network/interfaces.md)
- [Espresso ↔ Rollup](https://docs.espressosys.com/network/developer/the-espresso-network/interfaces/hotshot-less-than-greater-than-rollup.md)
- [Espresso ↔ L1](https://docs.espressosys.com/network/developer/the-espresso-network/interfaces/hotshot-less-than-greater-than-l1.md)
- [Rollup ↔ L1](https://docs.espressosys.com/network/developer/the-espresso-network/interfaces/rollup-less-than-greater-than-l1.md)
- [Light Client Contract](https://docs.espressosys.com/network/developer/the-espresso-network/light-client.md)
- [Fee Token Contract](https://docs.espressosys.com/network/developer/the-espresso-network/fee-token.md)
- [Stake Table Contract](https://docs.espressosys.com/network/developer/the-espresso-network/stake-table.md)
- [How the Stake Table Contract Works](https://docs.espressosys.com/network/developer/the-espresso-network/stake-table/stake-table.md)
- [Staking Rewards Calculation](https://docs.espressosys.com/network/developer/the-espresso-network/stake-table/staking-rewards-calculation.md)
- [Reward Claim Contract](https://docs.espressosys.com/network/developer/the-espresso-network/reward-claim.md)
- [Smart Contract Upgradeability](https://docs.espressosys.com/network/developer/the-espresso-network/smart-contract-upgradeability.md)
- [Espresso Node](https://docs.espressosys.com/network/developer/the-espresso-network/espresso-node.md)
- [L1 Bridging Internals](https://docs.espressosys.com/network/developer/the-espresso-network/bridging.md)


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