curl --request POST \
  --url https://discord.com/api/v10/applications/{application_id}/attachment \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: multipart/form-data' \
  --form 'file=<string>'

{
  "attachment": {
    "id": "<string>",
    "filename": "<string>",
    "size": 123,
    "url": "<string>",
    "proxy_url": "<string>",
    "width": 123,
    "height": 123,
    "duration_secs": 123,
    "waveform": "<string>",
    "description": "<string>",
    "content_type": "<string>",
    "ephemeral": true,
    "title": "<string>",
    "application": {
      "id": "<string>",
      "name": "<string>",
      "icon": "<string>",
      "description": "<string>",
      "type": "<unknown>",
      "verify_key": "<string>",
      "flags": 123,
      "cover_image": "<string>",
      "primary_sku_id": "<string>",
      "bot": {
        "id": "<string>",
        "username": "<string>",
        "avatar": "<string>",
        "discriminator": "<string>",
        "public_flags": 123,
        "flags": 0,
        "global_name": "<string>",
        "primary_guild": "<unknown>",
        "bot": true,
        "system": true,
        "banner": "<string>",
        "accent_color": 123,
        "avatar_decoration_data": "<unknown>",
        "collectibles": "<unknown>"
      },
      "slug": "<string>",
      "guild_id": "<string>",
      "rpc_origins": [
        "<string>"
      ],
      "bot_public": true,
      "bot_require_code_grant": true,
      "terms_of_service_url": "<string>",
      "privacy_policy_url": "<string>",
      "custom_install_url": "<string>",
      "install_params": {
        "scopes": [
          "applications.commands"
        ],
        "permissions": "<string>"
      },
      "integration_types_config": {},
      "max_participants": 123,
      "tags": [
        "<string>"
      ]
    },
    "clip_created_at": "2023-11-07T05:31:56Z",
    "clip_participants": [
      {
        "id": "<string>",
        "username": "<string>",
        "avatar": "<string>",
        "discriminator": "<string>",
        "public_flags": 123,
        "flags": 0,
        "global_name": "<string>",
        "primary_guild": "<unknown>",
        "bot": true,
        "system": true,
        "banner": "<string>",
        "accent_color": 123,
        "avatar_decoration_data": "<unknown>",
        "collectibles": "<unknown>"
      }
    ]
  }
}