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Cast Intent URLs

Farcaster intents enable builders to direct authenticated users to a pre-filled cast composer.
If you’re building a Mini App and want to prompt the user to compose a cast, use the composeCast action from the Mini App SDK.

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Compose with cast text

https://farcaster.xyz/~/compose?text=Hello%20world!

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Compose with cast text and one embed

https://farcaster.xyz/~/compose?text=Hello%20world!&embeds[]=https://farcaster.xyz

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Compose with cast text with mentions and two embeds

https://farcaster.xyz/~/compose?text=Hello%20@farcaster!&embeds[]=https://farcaster.xyz&embeds[]=https://github.com/farcasterxyz/protocol

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Compose with cast text on a specific channel

https://farcaster.xyz/~/compose?text=Hello%20world!&channelKey=farcaster

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Reply with cast text to a cast with hash

https://farcaster.xyz/~/compose?text=Looks%20good!&parentCastHash=0x09455067393562d3296bcbc2ec1c2d6bba8ac1f1

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Additional details

  • Embeds are any valid URLs
  • URLs ending with .png .jpg or .gif will render as an image embed
  • Embedding the URL to a Zora mint page will render the NFT with a mint link below it.
  • You can check how embeds will be rendered in Warpcast at https://farcaster.xyz/~/developers/embeds

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Resource URLs

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View profile by FID

https://farcaster.xyz/~/profiles/:fid

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View cast by hash

https://farcaster.xyz/~/conversations/:hash