GramJS

const { Api, TelegramClient } = require("telegram");
const { StringSession } = require("telegram/sessions");

const session = new StringSession(""); // You should put your string session here
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
  await client.connect(); // This assumes you have already authenticated with .start()

  const result = await client.invoke(
    new Api.stickers.CreateStickerSet({
      userId: "username",
      title: "My very normal title",
      shortName: "some string here",
      stickers: [
        new Api.InputStickerSetItem({
          document: new Api.InputDocument({
            id: BigInt("-4156887774564"),
            accessHash: BigInt("-4156887774564"),
            fileReference: Buffer.from("arbitrary data here"),
          }),
          emoji: "some string here",
          maskCoords: new Api.MaskCoords({
            n: 43,
            x: 8.24,
            y: 8.24,
            zoom: 8.24,
          }),
        }),
      ],
      masks: true,
      animated: true,
      videos: true,
      thumb: new Api.InputDocument({
        id: BigInt("-4156887774564"),
        accessHash: BigInt("-4156887774564"),
        fileReference: Buffer.from("arbitrary data here"),
      }),
      software: "some string here",
    })
  );
  console.log(result); // prints the result
})();

import { Api, TelegramClient } from "telegram";
import { StringSession } from "telegram/sessions";

const session = new StringSession(""); // You should put your string session here
const client = new TelegramClient(session, apiId, apiHash, {});

(async function run() {
  await client.connect(); // This assumes you have already authenticated with .start()

  const result: Api.messages.StickerSet = await client.invoke(
    new Api.stickers.CreateStickerSet({
      userId: "username",
      title: "My very normal title",
      shortName: "some string here",
      stickers: [
        new Api.InputStickerSetItem({
          document: new Api.InputDocument({
            id: BigInt("-4156887774564"),
            accessHash: BigInt("-4156887774564"),
            fileReference: Buffer.from("arbitrary data here"),
          }),
          emoji: "some string here",
          maskCoords: new Api.MaskCoords({
            n: 43,
            x: 8.24,
            y: 8.24,
            zoom: 8.24,
          }),
        }),
      ],
      masks: true,
      animated: true,
      videos: true,
      thumb: new Api.InputDocument({
        id: BigInt("-4156887774564"),
        accessHash: BigInt("-4156887774564"),
        fileReference: Buffer.from("arbitrary data here"),
      }),
      software: "some string here",
    })
  );
  console.log(result); // prints the result
})();