# For Developers - [Resources for Developers](https://docs-zkevm.cronos.org/for-developers/resources-for-developers.md) - [Develop Smart Contracts and Dapps](https://docs-zkevm.cronos.org/for-developers/develop-smart-contracts-and-dapps.md) - [Contract Deployment and Verification](https://docs-zkevm.cronos.org/for-developers/develop-smart-contracts-and-dapps/contract-deployment-and-verification.md) - [Contract Verification Guide for the Cronos zkEVM Explorer](https://docs-zkevm.cronos.org/for-developers/develop-smart-contracts-and-dapps/contract-verification-guide-for-the-cronos-zkevm-explorer.md) - [Developer Tools](https://docs-zkevm.cronos.org/for-developers/developer-tools.md) - [Cronos zkEVM Developer Portal and APIs](https://docs-zkevm.cronos.org/for-developers/developer-tools/cronos-zkevm-developer-portal-and-apis.md) - [Band Protocol (Oracle)](https://docs-zkevm.cronos.org/for-developers/developer-tools/band-protocol-oracle.md) - [Covalent (Analytics)](https://docs-zkevm.cronos.org/for-developers/developer-tools/covalent-analytics.md) - [Cronos Safe (Multi-sig)](https://docs-zkevm.cronos.org/for-developers/developer-tools/cronos-safe-multi-sig.md) - [Crypto.com AI Agent SDK (AI)](https://docs-zkevm.cronos.org/for-developers/developer-tools/crypto.com-ai-agent-sdk-ai.md) - [Debank (Analytics)](https://docs-zkevm.cronos.org/for-developers/developer-tools/debank-analytics.md) - [Dextools (Analytics)](https://docs-zkevm.cronos.org/for-developers/developer-tools/dextools-analytics.md) - [Eliza (AI)](https://docs-zkevm.cronos.org/for-developers/developer-tools/eliza-ai.md) - [Getblock (Node infra)](https://docs-zkevm.cronos.org/for-developers/developer-tools/getblock-node-infra.md) - [Goldsky (Subgraph hosting)](https://docs-zkevm.cronos.org/for-developers/developer-tools/goldsky-subgraph-hosting.md) - [Google Bigquery (Analytics)](https://docs-zkevm.cronos.org/for-developers/developer-tools/google-bigquery-analytics.md) - [NFTs2Me (No code)](https://docs-zkevm.cronos.org/for-developers/developer-tools/nfts2me-no-code.md) - [Pyth (Oracle)](https://docs-zkevm.cronos.org/for-developers/developer-tools/pyth-oracle.md) - [Secret Network (Computing)](https://docs-zkevm.cronos.org/for-developers/developer-tools/secret-network-computing.md) - [Sentio (Analytics)](https://docs-zkevm.cronos.org/for-developers/developer-tools/sentio-analytics.md) - [Subquery (Analytics)](https://docs-zkevm.cronos.org/for-developers/developer-tools/subquery-analytics.md) - [Thirdweb (App development)](https://docs-zkevm.cronos.org/for-developers/developer-tools/thirdweb-app-development.md) - [txSync (Paymaster)](https://docs-zkevm.cronos.org/for-developers/developer-tools/txsync-paymaster.md) - [VIA Labs (Bridge)](https://docs-zkevm.cronos.org/for-developers/developer-tools/via-labs-bridge.md) - [Zyfi (Paymaster)](https://docs-zkevm.cronos.org/for-developers/developer-tools/zyfi-paymaster.md) - [Contract Addresses](https://docs-zkevm.cronos.org/for-developers/contract-addresses.md) - [Account abstraction](https://docs-zkevm.cronos.org/for-developers/account-abstraction.md) - [Smart Sign-On](https://docs-zkevm.cronos.org/for-developers/smart-sign-on.md) - [Using zkCRO, vETH and vUSD](https://docs-zkevm.cronos.org/for-developers/using-zkcro-veth-and-vusd.md): This a guide for developers on the contracts and interactions involved in bridging to and from Ethereum (L1 - $CRO, $ETH, $DAI/$USDC/$USDT) and Cronos zkEVM (L2 - $zkCRO, $vETH and $vUSD) - [zkCRO](https://docs-zkevm.cronos.org/for-developers/using-zkcro-veth-and-vusd/zkcro.md): On this page, you can find the contracts and their interactions involved when bridging $CRO and $zkCRO to and from Ethereum (L1) and Cronos zkEVM (L2) and unbonding $zkCRO, it includes: - [vETH](https://docs-zkevm.cronos.org/for-developers/using-zkcro-veth-and-vusd/veth.md): On this page, you can find the contracts and their interactions involved when bridging to and from Ethereum (L1 - $ETH) and Cronos zkEVM (L2 - $vETH ), it includes: - [vUSD](https://docs-zkevm.cronos.org/for-developers/using-zkcro-veth-and-vusd/vusd.md): On this page, you can find the contracts and their interactions involved when bridging to and from Ethereum (L1 - $DAI/$USDC/$USDT) and Cronos zkEVM (L2 - $vUSD ), it includes: - [Yield rewards](https://docs-zkevm.cronos.org/for-developers/using-zkcro-veth-and-vusd/yield-rewards.md): How to claim vETH and vUSD yield rewards accumulated by your project's smart contracts - [JSON-RPC API Overview](https://docs-zkevm.cronos.org/for-developers/json-rpc-api-overview.md): Explore the detailed guide to the Cronos zkEVM JSON-RPC API, providing Ethereum integration and advanced Layer 2 features tailored for developers. - [ZKs specific JSON-RPC API](https://docs-zkevm.cronos.org/for-developers/json-rpc-api-overview/zks-specific-json-rpc-api.md): Overview of the JSON-RPC API methods specific to Cronos zkEVM, detailing operations and functionalities within the Cronos zkEVM ecosystem. - [Ethereum JSON-RPC API](https://docs-zkevm.cronos.org/for-developers/json-rpc-api-overview/ethereum-json-rpc-api.md) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs-zkevm.cronos.org/for-developers.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.