Cardano · Schema

Tx Content Metadata

BlockchainCryptocurrencyProof of StakeSmart ContractsWeb3

JSON Schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://cardano.blockfrost.io/schema/tx_content_metadata",
  "title": "Tx Content Metadata",
  "type": "array",
  "items": {
    "type": "object",
    "properties": {
      "label": {
        "type": "string",
        "description": "Metadata label"
      },
      "json_metadata": {
        "oneOf": [
          {
            "type": "string"
          },
          {
            "type": "object",
            "additionalProperties": true
          }
        ],
        "description": "Content of the metadata"
      }
    },
    "required": [
      "label",
      "json_metadata"
    ]
  },
  "example": [
    {
      "label": "1967",
      "json_metadata": {
        "metadata": "https://nut.link/metadata.json",
        "hash": "6bf124f217d0e5a0a8adb1dbd8540e1334280d49ab861127868339f43b3948af"
      }
    },
    {
      "label": "1968",
      "json_metadata": {
        "ADAUSD": [
          {
            "value": "0.10409800535729975",
            "source": "ergoOracles"
          }
        ]
      }
    }
  ]
}

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/tx-content-metadata"

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 email required.

GitHub Google LinkedIn

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