Development of a Telegram bot for payment access to a private channel
67 USD Technical assignment for the development of a Telegram bot for payment access to a closed channel
1. General information
The bot is designed to provide access to a closed Telegram channel after successful payment. Payment is possible via PayPal and USDT. After successful payment, the bot automatically adds the user to the channel.
2. Main functionality
2.1 Main menu
When pressing /start, the bot sends a welcome message and provides the main menu buttons:
- Pay for access
- More about the channel
- Ask a question
- Change language
2.2 Payment for access
When pressing "Pay for access," the bot offers to choose the subscription duration:
- 1 month
- 3 months
- 6 months
- 12 months
- Back
After selecting the subscription duration, the bot offers to choose the payment method:
- PayPal
- USDT (specific merchant will be determined later)
- Back
After selecting the payment system, the bot creates an invoice with the corresponding amount and sends the user a payment link.
2.3 Payment processing
- The bot waits for payment confirmation from the PayPal API or the selected merchant for USDT.
- In case of successful payment, the bot automatically adds the user to the closed channel (
bot.add_chat_members(chat_id, user_id)). - In case of unsuccessful payment, the bot notifies the user of the failure and offers to try again.
- If confirmation is not received immediately, the bot will periodically check the payment status.
2.4 Adding to the channel
- The bot must be an administrator in the closed channel.
- After successful payment, the bot automatically adds the user to the channel.
- Administrators receive a notification in a special group about the new paid subscriber.
2.5 Information about the channel
When pressing the "More about the channel" button, the bot sends a description of the channel and offers to go back.
2.6 Ask a question
- The user enters the text of the question.
- The question is sent to the group of administrators.
- The administrator can respond by sending the answer to the forwarded message in the group.
- The bot forwards the answer to the user.
2.7 Change language
The bot supports multilingualism; users can choose their preferred language of communication.
3. Additional requirements
- Logging of all payment operations.
- Admin panel (or command) for checking payment history.
- Ability to easily add new payment methods in the future.
- Security of the bot (limiting commands for regular users, error handling).
4. Technical implementation
- Programming language: Python
- Framework: Aiogram
- Working with payment systems: PayPal API, USDT API (to be chosen later)
- Database: SQLite / PostgreSQL (by agreement)
- Hosting: On the user's server
5. Development stages
- Setting up the bot structure.
- Implementing the main menu.
- Integrating with PayPal API and USDT (after selecting the merchant).
- Implementing the payment confirmation mechanism and adding to the channel.
- Interacting with administrators.
- Testing and debugging.
- Deployment and final adjustments.
6. Development timelines and cost
- Development time is 3-4 days from the moment the server is provided. Plus 1-2 days for testing.
- The cost of development is 3000 UAH.
Client's review of cooperation with Yevhen R.
Development of a Telegram bot for payment access to a private channelEverything was done wonderfully, additional features were added, and he also helped choose a merchant, which was not part of the job, I am very grateful.
I recommend!!!
Freelancer's review of cooperation with Vladislav Dralyuk
Development of a Telegram bot for payment access to a private channelOur next project with Vladislav went excellently. We immediately discussed the technical specifications and started the development. In dialogue, he is always friendly and responsive, and we can always find a compromise. He accepted the work quickly and without delays. I am very happy to work with Vladislav and hope for future projects!
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Winning proposal7 days67 USD
1306 21 0 Winning proposal7 days67 USD
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