Neynar · Schema

Hub FrameActionBody

Contains the data for a user's interaction with a Farcaster Frame. Frames are interactive elements within casts that can have up to 4 clickable buttons, allowing users to engage with content in predefined ways.

FarcasterSocialDecentralizedWeb3BlockchainSocial GraphCastsChannelsFeedsReactionsNotificationWebhookOnchain

Properties

Name Type Description
url string The URL associated with the frame action. This typically points to the frame's content or the destination that handles the interaction.
buttonIndex integer Identifies which button the user clicked in the frame. Frames can have up to 4 buttons, numbered from 1 to 4.
castId object The unique identifier of the cast containing the frame that was interacted with.
View JSON Schema on GitHub

JSON Schema

hub-frameactionbody.json Raw ↑
{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://neynar.com/schemas/hub/FrameActionBody",
  "title": "Hub FrameActionBody",
  "description": "Contains the data for a user's interaction with a Farcaster Frame. Frames are interactive elements within casts that can have up to 4 clickable buttons, allowing users to engage with content in predefined ways.",
  "type": "object",
  "properties": {
    "url": {
      "description": "The URL associated with the frame action. This typically points to the frame's content or the destination that handles the interaction.",
      "type": "string",
      "format": "uri",
      "example": "https://frames.farcaster.xyz/frame/123"
    },
    "buttonIndex": {
      "description": "Identifies which button the user clicked in the frame. Frames can have up to 4 buttons, numbered from 1 to 4.",
      "title": "Button Index",
      "type": "integer",
      "format": "int32",
      "minimum": 1,
      "maximum": 4,
      "example": 1
    },
    "castId": {
      "description": "The unique identifier of the cast containing the frame that was interacted with.",
      "allOf": [
        {
          "$ref": "#/components/schemas/CastId"
        }
      ]
    }
  },
  "required": [
    "url",
    "buttonIndex",
    "castId"
  ]
}

Work with this as data

Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for schemas

4 MCP tools reach this
  • find_json_schemasBrowse and filter every JSON Schema in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/hub-frameactionbody"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.