Step 1: Open Telegram, click the search icon, and open a chat with the BotFather
bot.
Step 2: Type /mybots
(or select it from the menu)
Step 3: Select the bot for which you want to a payments
Step 4: Select Payments
from the menu.
Step 5: Choose a provider and follow the guided set-up.
Step 6: Go back to the chat with Botfather once the selected payments provider is connected successfully.
You'll see a message listing the available and configured providers.
Each will have a name, a token, and the date the provider was connected.
Copy to token of the provider you want to use.