curl --request GET \
  --url https://api.messari.io/metrics/v2/protocols/interop \
  --header 'X-Messari-API-Key: <api-key>'

{
  "error": null,
  "data": {
    "data": [
      {
        "id": "ec3bafad-4c8f-493d-9cf1-757d9a046142",
        "name": "LayerZero",
        "slug": "layerzero",
        "activity": {
          "tvl24HourUsd": 120483946.01369792,
          "activeAddresses24Hour": 976,
          "fees24HourUsd": 6448.2463635396225
        },
        "interop": {
          "feesSupplySide24HourUsd": 6448.2463635396225,
          "expenses24HourUsd": 0,
          "treasuryUsd": null,
          "transferVolume24HourUsd": 120047133.00077915,
          "transactionCount24Hour": null,
          "coreDevelopers": null,
          "codeCommits": null
        }
      },
      {
        "id": "45b7082c-446c-4ff5-be5b-ab27c98a73c8",
        "name": "Axelar",
        "slug": "axelar",
        "activity": {
          "tvl24HourUsd": 70887509.63299802,
          "activeAddresses24Hour": 256,
          "fees24HourUsd": 6.147496368172805
        },
        "interop": {
          "feesSupplySide24HourUsd": 6.147496368172805,
          "expenses24HourUsd": null,
          "treasuryUsd": null,
          "transferVolume24HourUsd": 0,
          "transactionCount24Hour": 792,
          "coreDevelopers": 28,
          "codeCommits": 2
        }
      },
      {
        "id": "f8c4483b-ce35-4911-85ed-dd3e0acbe168",
        "name": "Across",
        "slug": "across",
        "activity": {
          "tvl24HourUsd": 43988502.34888317,
          "activeAddresses24Hour": 1728,
          "fees24HourUsd": 1720.447657927157
        },
        "interop": {
          "feesSupplySide24HourUsd": 1720.447657927157,
          "expenses24HourUsd": 858.4924973372885,
          "treasuryUsd": 12617606.740303036,
          "transferVolume24HourUsd": 12328118.488544187,
          "transactionCount24Hour": null,
          "coreDevelopers": 17,
          "codeCommits": 0
        }
      },
      {
        "id": "4f989070-a487-49dd-a9bb-0a02e49bde9d",
        "name": "Synapse",
        "slug": "synapse",
        "activity": {
          "tvl24HourUsd": 20183405.450708993,
          "activeAddresses24Hour": 17,
          "fees24HourUsd": 128.07659252687984
        },
        "interop": {
          "feesSupplySide24HourUsd": 0,
          "expenses24HourUsd": 271.8178800280259,
          "treasuryUsd": null,
          "transferVolume24HourUsd": 2082.8570683057055,
          "transactionCount24Hour": null,
          "coreDevelopers": 1,
          "codeCommits": 0
        }
      },
      {
        "id": "9946bc2b-2cb1-4a49-bd00-d79723ca5413",
        "name": "deBridge",
        "slug": "debridge",
        "activity": {
          "tvl24HourUsd": null,
          "activeAddresses24Hour": 3389,
          "fees24HourUsd": 12821.106561214758
        },
        "interop": {
          "feesSupplySide24HourUsd": 0,
          "expenses24HourUsd": 0,
          "treasuryUsd": null,
          "transferVolume24HourUsd": 7670248.679493821,
          "transactionCount24Hour": 718,
          "coreDevelopers": 2,
          "codeCommits": 0
        }
      }
    ],
    "metadata": {
      "pageSize": 100,
      "page": 1,
      "totalRows": 10,
      "totalPages": 1
    }
  }
}