Instagram Similar Accounts Finder (by Username or User ID)

{
  "type": "object",
  "anyOf": [
    {
      "required": [
        "user_id"
      ]
    },
    {
      "required": [
        "username"
      ]
    }
  ],
  "properties": {
    "user_id": {
      "type": "string",
      "examples": [
        "18527"
      ],
      "description": "User ID"
    },
    "username": {
      "type": "string",
      "examples": [
        "instagram"
      ],
      "description": "Username"
    }
  },
  "additionalProperties": false
}

{
  "type": "object",
  "properties": {
    "data": {
      "type": "object",
      "properties": {
        "count": {
          "type": "number",
          "description": "How many similar accounts are included in `items`."
        },
        "items": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "id": {
                "type": "string",
                "description": "The account's numeric Instagram user ID."
              },
              "username": {
                "type": "string"
              },
              "full_name": {
                "type": "string",
                "description": "The account's own public display name. Can be an empty string."
              },
              "is_private": {
                "type": "boolean"
              },
              "is_verified": {
                "type": "boolean"
              },
              "profile_pic_url": {
                "type": [
                  "string",
                  "null"
                ],
                "description": "The account's profile picture. Value withheld (returned as `null` regardless of what the account has set) -- only whether the field is populated is observable, not the image itself."
              }
            },
            "additionalProperties": true
          },
          "description": "The similar/related accounts Instagram suggests for the given input."
        }
      },
      "description": "Present only when the input resolves to an existing account.",
      "additionalProperties": true
    }
  },
  "description": "The similar-users result, as returned at routing.responseResultPath ($.output). Observed as an empty object `{}` (no `data` at all) when the given `username` or `user_id` does not resolve to an existing Instagram account -- confirmed against the `invalid-user-id` fixture, which billed $0 for that outcome.",
  "additionalProperties": true
}