> ## Documentation Index
> Fetch the complete documentation index at: https://docs.neynar.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Reference

> API reference, standards and protocols for Farcaster developers

The reference section documents APIs, standards, and protocols commonly used by Farcaster developers.

* [Mini Apps](https://miniapps.farcaster.xyz) - A specification for writing and rendering mini apps.
* [Farcaster Client APIs](/farcaster/reference/farcaster/api) - An overview of Farcaster Client APIs that are publicly available.
* [Snapchain](https://snapchain.farcaster.xyz/) - A design overview and API reference for Farcaster Hubs.
* [Replicator](/farcaster/reference/replicator/schema) - An overview and schema for the replicator.
* [Contracts](/farcaster/reference/contracts/index) - A design overview and ABI reference for Farcaster contracts.
* [FName Registry](/farcaster/reference/fname/api) - An overview and API reference for the Farcaster Name Server.