curl --request GET \
  --url https://tiktok-api23.p.rapidapi.com/api/user/info-by-id \
  --header 'x-rapidapi-key: <api-key>'

import requests

url = "https://tiktok-api23.p.rapidapi.com/api/user/info-by-id"

headers = {"x-rapidapi-key": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'x-rapidapi-key': '<api-key>'}};

fetch('https://tiktok-api23.p.rapidapi.com/api/user/info-by-id', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://tiktok-api23.p.rapidapi.com/api/user/info-by-id",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "x-rapidapi-key: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://tiktok-api23.p.rapidapi.com/api/user/info-by-id"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("x-rapidapi-key", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://tiktok-api23.p.rapidapi.com/api/user/info-by-id")
  .header("x-rapidapi-key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://tiktok-api23.p.rapidapi.com/api/user/info-by-id")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["x-rapidapi-key"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "user": {
    "account_type": 0,
    "avatar_300x300": {
      "uri": "tos-useast5-avt-0068-tx/c39c2807c155535cf328225955e00aba",
      "url_list": [
        "https://p16-sign-va.tiktokcdn.com/tos-maliva-avt-0068/example1.webp",
        "https://p16-sign-va.tiktokcdn.com/tos-maliva-avt-0068/example2.jpeg"
      ],
      "url_prefix": null
    },
    "avatar_larger": {
      "uri": "tos-useast5-avt-0068-tx/c39c2807c155535cf328225955e00aba",
      "url_list": [
        "https://p16-sign-va.tiktokcdn.com/tos-maliva-avt-0068/example1.webp",
        "https://p16-sign-va.tiktokcdn.com/tos-maliva-avt-0068/example2.jpeg"
      ],
      "url_prefix": null
    },
    "avatar_medium": {
      "uri": "tos-useast5-avt-0068-tx/c39c2807c155535cf328225955e00aba",
      "url_list": [
        "https://p16-sign-va.tiktokcdn.com/tos-maliva-avt-0068/example1.webp",
        "https://p16-sign-va.tiktokcdn.com/tos-maliva-avt-0068/example2.jpeg"
      ],
      "url_prefix": null
    },
    "avatar_thumb": {
      "uri": "tos-useast5-avt-0068-tx/c39c2807c155535cf328225955e00aba",
      "url_list": [
        "https://p16-sign-va.tiktokcdn.com/tos-maliva-avt-0068/example1.webp",
        "https://p16-sign-va.tiktokcdn.com/tos-maliva-avt-0068/example2.jpeg"
      ],
      "url_prefix": null
    },
    "commerce_user_level": 0,
    "custom_verify": "verified account",
    "enterprise_verify_reason": "",
    "follow_status": 0,
    "follower_count": 33265168,
    "follower_status": 0,
    "following_count": 0,
    "nickname": "Taylor Swift",
    "original_musician": {
      "digg_count": 0,
      "music_count": 7830,
      "music_used_count": 0,
      "new_release_clip_ids": null
    },
    "room_id": 0,
    "sec_uid": "MS4wLjABAAAAqB08cUbXaDWqbD6MCga2RbGTuhfO2EsHayBYx08NDrN7IE3jQuRDNNN6YwyfH6_6",
    "secret": 0,
    "short_id": "0",
    "show_favorite_list": true,
    "signature": "This is pretty much just a cat account",
    "tab_settings": {
      "private_tab": {
        "private_tab_style": 1,
        "show_private_tab": false
      }
    },
    "total_favorited": 263480662,
    "uid": "6881290705605477381",
    "unique_id": "taylorswift",
    "verification_type": 1,
    "with_commerce_entry": false
  },
  "status_code": 0
}

{
  "message": "Bad request"
}

{
  "message": "Invalid API key. Go to https://docs.rapidapi.com/docs/keys for more info."
}

{
  "message": "You are not subscribed to this API."
}

{
  "message": "Request failed with status 500: Internal Server Error",
  "status_code": 500
}