{
  "info": {
    "name": "Blocknative — mcp.ai",
    "description": "REST API for the Blocknative MCP. Set {{apiKey}} to a workspace key (sk_live_…) created at https://mcp.ai/settings/api-keys.",
    "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"
  },
  "auth": {
    "type": "bearer",
    "bearer": [
      {
        "key": "token",
        "value": "{{apiKey}}",
        "type": "string"
      }
    ]
  },
  "variable": [
    {
      "key": "baseUrl",
      "value": "https://api.mcp.ai/api/blocknative",
      "type": "string"
    },
    {
      "key": "apiKey",
      "value": "sk_live_...",
      "type": "string"
    }
  ],
  "item": [
    {
      "name": "blocknative_configure_filters",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/configure/filters",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "configure",
            "filters"
          ]
        },
        "description": "Tool to configure filters and ABI decoding for Ethereum mempool transactions. Use after establishing a Blocknative WebSocket connection to set up event filters and decoding.",
        "body": {
          "mode": "raw",
          "raw": "{\n  \"config\": {},\n  \"eventCode\": \"\",\n  \"categoryCode\": \"\"\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    },
    {
      "name": "blocknative_get_gas_distribution",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/get/gas/distribution",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "get",
            "gas",
            "distribution"
          ]
        },
        "description": "Tool to retrieve the current mempool gas price distribution breakdown. Use when analyzing gas price trends or preparing fee strategies.",
        "body": {
          "mode": "raw",
          "raw": "{}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    },
    {
      "name": "blocknative_get_gas_oracles",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/get/gas/oracles",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "get",
            "gas",
            "oracles"
          ]
        },
        "description": "Tool to retrieve metadata on supported gas oracles per chain. Use when you need to dynamically discover all available on-chain gas estimation oracles across networks.",
        "body": {
          "mode": "raw",
          "raw": "{}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    },
    {
      "name": "blocknative_get_gas_prices",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/get/gas/prices",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "get",
            "gas",
            "prices"
          ]
        },
        "description": "Tool to fetch gas price estimates for specific inclusion probabilities. Use when you need gas price ranges for the next block or next ~10 seconds.",
        "body": {
          "mode": "raw",
          "raw": "{\n  \"system\": \"\",\n  \"chainid\": 0,\n  \"network\": \"\",\n  \"confidenceLevels\": \"\"\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    },
    {
      "name": "blocknative_get_supported_chains",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/get/supported/chains",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "get",
            "supported",
            "chains"
          ]
        },
        "description": "Tool to retrieve supported chains metadata. Use when discovering available networks for Blocknative gas services.",
        "body": {
          "mode": "raw",
          "raw": "{}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    },
    {
      "name": "blocknative_prediction_api_basefee_estimates",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/prediction/api/basefee/estimates",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "prediction",
            "api",
            "basefee",
            "estimates"
          ]
        },
        "description": "Get real-time gas fee predictions for Ethereum mainnet's next 5 blocks. Returns base fee, blob base fee, and priority fee estimates at multiple confidence levels (99% and 50%). Essential for optimizin",
        "body": {
          "mode": "raw",
          "raw": "{}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    },
    {
      "name": "blocknative_subscribe_multichain",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/subscribe/multichain",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "subscribe",
            "multichain"
          ]
        },
        "description": "Generate WebSocket connection details to subscribe to real-time blockchain events (transactions or account activity) across multiple chains via Blocknative's Multichain API. Returns the WebSocket URL ",
        "body": {
          "mode": "raw",
          "raw": "{\n  \"id\": \"\",\n  \"abi\": \"\",\n  \"type\": \"\",\n  \"chainId\": \"\",\n  \"filters\": \"\"\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    },
    {
      "name": "blocknative_subscribe_transaction_hash",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/subscribe/transaction/hash",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "subscribe",
            "transaction",
            "hash"
          ]
        },
        "description": "Tool to subscribe to transaction state change events of an Ethereum transaction hash. Use after establishing a Blocknative WebSocket connection to prepare the subscription message.",
        "body": {
          "mode": "raw",
          "raw": "{\n  \"hash\": \"\"\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    },
    {
      "name": "blocknative_unsubscribe_multichain",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/unsubscribe/multichain",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "unsubscribe",
            "multichain"
          ]
        },
        "description": "Tool to unsubscribe from events across multiple chains using the Multichain SDK. Use after stopping monitoring of an address or transaction to clean up resources, e.g., call: blocknative.unsubscribe({",
        "body": {
          "mode": "raw",
          "raw": "{\n  \"id\": \"\",\n  \"chainId\": \"\"\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    },
    {
      "name": "blocknative_unsubscribe_transaction_hash",
      "request": {
        "method": "POST",
        "header": [
          {
            "key": "Content-Type",
            "value": "application/json"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/unsubscribe/transaction/hash",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "unsubscribe",
            "transaction",
            "hash"
          ]
        },
        "description": "Tool to unsubscribe from transaction state change events for an Ethereum transaction hash. Use after establishing a Blocknative WebSocket connection to prepare the unsubscription message.",
        "body": {
          "mode": "raw",
          "raw": "{\n  \"hash\": \"\"\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        }
      }
    }
  ]
}