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 Frames Specification. If you have questions/feedback, please reach out to @rishor @manan on Farcaster. We will continue improving the frames experience!