Triggers when a user reacts (like or recast) to a cast on Farcaster. Optionally filter by target FID to watch reactions to specific users' casts. Powered by Neynar webhooks.

Like or recast a Farcaster cast via Neynar API. Requires a connected Farcaster account with signer. Supports 'like' and 'recast' reaction types. Ideal for: engagement automation, community interaction, content curation, appreciation bots.