Write Data to Farcaster
Like & Recast
Add “like” and “recast” reactions on Farcaster casts
- If you want to integrate Farcaster auth for your users, easiest way to start is Sign in with Neynar (Neynar pays all onchain fee)
- If you want dedicated signers for your user or bot, simplest to clone this example app for quickstart
This guide demonstrates how to like or recast a cast with the Neynar SDK.
Check out this Getting Started Guide to learn how to set up your environment and get an API key.
First, initialize the client:
Then, like a cast:
Recasting works the same way, replace “like” with “recast”:
The response status code should return a 200 status code.
To verify that the reaction was published, you can fetch the cast’s reactions:
Which would print out
That’s it! You can now like or recast any cast on Farcaster.
PS - to learn more about how writes technically works on Farcaster, read here
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