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

# Developer's Guide

- [Introduction](https://docs.orakl.network/developers-guide/readme.md): Orakl Network is a decentralized oracle network that allows smart contracts to securely access off-chain data and other resources.
- [Verifiable Randomness Function (VRF)](https://docs.orakl.network/developers-guide/vrf.md): Undeniably random numbers in your smart contract
- [Request-Response](https://docs.orakl.network/developers-guide/request-response.md): Arbitrary Off-Chain Data Available To Your Smart Contract
- [Data Feed](https://docs.orakl.network/developers-guide/data-feed.md): Continuous stream of off-chain data to your smart contract
- [Proof of Reserve](https://docs.orakl.network/developers-guide/proof-of-reserve.md): Secure delivery of auditable reserve holdings to on-chain
- [Prepayment](https://docs.orakl.network/developers-guide/prepayment.md)
- [L2 Services](https://docs.orakl.network/developers-guide/l2-services.md): Registering and Using Oracle Network Services on L2 Chains
- [Data Availability Layer API (DAL)](https://docs.orakl.network/developers-guide/data-availability-layer-api.md): Pull-based oracle submission using Data Availability Layer API
- [Example Projects](https://docs.orakl.network/developers-guide/example-projects.md): Check out example projects to get started
- [Binary Option Example](https://docs.orakl.network/developers-guide/example-projects/binary-example.md)
- [Flipcoin Example](https://docs.orakl.network/developers-guide/example-projects/flipcoin-example.md)
- [Mystery Box Example](https://docs.orakl.network/developers-guide/example-projects/mystery-box-example.md)


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