> ## 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.

# Validate Farcaster Frames with Neynar SDK

> Build Farcaster frames 10x faster than starting from scratch with Neynar's frame validation API. Learn to validate frame actions, get user interaction details, and test frames locally with ngrok integration for rapid development.

## How to Validate Farcaster Frames

Building a new Farcaster Frame? Read the [Farcaster Mini Apps Specification](https://miniapps.farcaster.xyz/docs/specification) to get started with the latest Mini Apps format, or check the [legacy Frames documentation](https://docs.farcaster.xyz/reference/frames/spec) for older Frame formats.

Once you have set up your Frame server with the right meta tags, you will want to know which users interacted with your Frame so that you can take the next appropriate action.

1. Use [Validate frame action](/reference/validate-frame-action) to validate the incoming user interaction and get details about the interacting user, cast author and cast itself
2. To test Frames on your local machine, set up [ngrok](https://ngrok.com/download) and use ngrok as your Frame's POST url.

More open source Frame resources from @base in [onchaintoolkit](https://github.com/coinbase/onchainkit?tab=readme-ov-file#getframevalidatedmessage) <Icon icon="circle" iconType="solid" />

Now start making some frames and let us know if you have questions at [@neynar](https://warpcast.com/~/channel/neynar)! <Icon icon="planet-ringed" iconType="solid" />

<Frame caption="Example $degen related Frame built using Neynar">
  <img src="https://mintcdn.com/neynar/V7Un5QUQSGJFAZfS/images/docs/e9ee284-image.png?fit=max&auto=format&n=V7Un5QUQSGJFAZfS&q=85&s=a4c1a818c0f06f17c5b00e7d397f4086" width="1222" height="948" data-path="images/docs/e9ee284-image.png" />
</Frame>