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Neynar supports building frames in a few different ways:

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Neynar Frame architecture

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Pages for a frame

A page represents the most basic unit of a frame. A frame consists of one or more pages. We’ve thoughtfully crafted a JSON format for a frames’ page to abstract away building on the rapidly moving foundation of Farcaster Frames. For context, Frames were launched a few weeks before writing this and have already seen 3-to 4 spec upgrades. We don’t want Neynar developers to have to worry about handling those. Here’s an example of a single page with four buttons. You can create these in the Frame Studio with no code or quickly create frames using our REST APIs. 
{
  "uuid": "5ec484f5-efaf-4bda-9a3f-0579232a386a",
  "image": "https://i.imgur.com/gpn83Gm.png",
  "title": "Farcaster Dev Call",
  "buttons": [
    {
      "title": "Notes",
      "next_page": {
        "redirect_url": "https://warpcast.notion.site/Feb-1st-934e190578144aba8273b2bbdc29e5ab"
      },
      "action_type": "post_redirect"
    },
    {
      "title": "Calendar",
      "next_page": {
        "redirect_url": "https://calendar.google.com/calendar/u/0/r?cid=NjA5ZWM4Y2IwMmZiMWM2ZDYyMTkzNWM1YWNkZTRlNWExN2YxOWQ2NDU3NTA3MjQwMTk3YmJlZGFjYTQ3MjZlOEBncm91cC5jYWxlbmRhci5nb29nbGUuY29t"
      },
      "action_type": "post_redirect"
    },
    {
      "title": "Zoom",
      "next_page": {
        "redirect_url": "https://zoom.us/j/98052336425?pwd=aFYyRk9ZSDhqR1h5eVJENmtGSGo4UT09#success"
      },
      "action_type": "post_redirect"
    },
    {
      "title": "Recordings",
      "next_page": {
        "redirect_url": "https://www.youtube.com/playlist?list=PL0eq1PLf6eUeZnPtyKMS6uN9I5iRIlnvq"
      },
      "action_type": "post_redirect"
    }
  ],
  "version": "vNext"
}

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Hosting

Neynar hosts pages on behalf of developers. We convert this JSON format into the Metatags expected by the Farcaster Mini Apps Specification and legacy Frames specification. If you have questions/feedback, please reach out to @rishor @manan on Farcaster. We will continue improving the frames experience!