{
  "vocabulary": {
    "name": "Airstack API Vocabulary",
    "description": "Vocabulary terms derived from the Airstack Farcaster Hub REST API and Webhooks API OpenAPI specifications.",
    "version": "1.0",
    "source": [
      "https://raw.githubusercontent.com/Airstack-xyz/oas/main/public/swagger.json",
      "https://raw.githubusercontent.com/Airstack-xyz/oas/main/app/swagger/webhooks.json"
    ],
    "terms": [
      {
        "term": "Cast",
        "definition": "A Farcaster message post (similar to a tweet), identified by FID and hash.",
        "schema": "CastAdd"
      },
      {
        "term": "CastId",
        "definition": "A unique identifier for a Farcaster cast, consisting of the author FID and message hash.",
        "schema": "CastId"
      },
      {
        "term": "CastEmbed",
        "definition": "An embedded URL or cast reference within a Farcaster cast.",
        "schema": "CastEmbed"
      },
      {
        "term": "Reaction",
        "definition": "A Farcaster reaction (like or recast) on a cast.",
        "schema": "Reaction"
      },
      {
        "term": "Link",
        "definition": "A social link relationship between two Farcaster users (follow).",
        "schema": "Link"
      },
      {
        "term": "UserData",
        "definition": "Profile metadata for a Farcaster user such as display name, bio, or profile image.",
        "schema": "UserData"
      },
      {
        "term": "Verification",
        "definition": "A cryptographic proof linking a Farcaster FID to an Ethereum address.",
        "schema": "Verification"
      },
      {
        "term": "UsernameProof",
        "definition": "Proof that a Farcaster username (ENS or fname) is controlled by the given FID.",
        "schema": "UsernameProof"
      },
      {
        "term": "FID",
        "definition": "Farcaster ID — a unique integer identifier assigned to each Farcaster user.",
        "schema": "integer"
      },
      {
        "term": "HubEvent",
        "definition": "An event emitted by a Farcaster Hub when a message is merged, pruned, or revoked.",
        "schema": "HubEvent"
      },
      {
        "term": "FarcasterNetwork",
        "definition": "An enum indicating the Farcaster network (mainnet or testnet).",
        "schema": "FarcasterNetwork"
      },
      {
        "term": "DbStats",
        "definition": "Statistics about the state of the Hub's data store.",
        "schema": "DbStats"
      },
      {
        "term": "OnChainEvent",
        "definition": "An on-chain event recorded on the Farcaster contracts (id registry, key registry, storage registry).",
        "schema": "OnChainEvent"
      },
      {
        "term": "Webhook",
        "definition": "A configured HTTP callback endpoint registered to receive Farcaster Hub events from Airstack.",
        "schema": "Webhook"
      },
      {
        "term": "WebhookFilter",
        "definition": "A filter definition that restricts which Hub events trigger a webhook callback.",
        "schema": "WebhookFilter"
      },
      {
        "term": "PageToken",
        "definition": "A cursor token used for paginating through large result sets from the Airstack Hub API.",
        "schema": "string"
      }
    ]
  }
}