A platform for authors that works entirely through Telegram. Authors can sell photos/videos, provide access to private channels, create collections, and receive payments.

What needs to be implemented:

WebApp:

Authorization via Telegram
Author's panel

- Balance, products, accesses, collections, receipts

- Creating products, uploading previews

- Generating receipts (with the option to download CSV/PDF)

- Withdrawal requests

- Publishing to a channel or creating a sharing link

- Deleting products / collections / accesses

Telegram bot:

Uploading main media for products (after creation in WebApp)
Confirmation by the author
Transfer to moderator
Status (processing / confirmed)
Publishing product in Telegram channel on behalf of the bot
Sending full-size photos to the buyer after payment
Notifications about withdrawal requests

Backend:

Node.js + PostgreSQL
Authorization via Telegram
CRUD API for products, orders, collections, accesses
Integration with Interkassa
Processing payment callbacks
Generating receipts
Product moderation
Withdrawal requests

Purchase process:

User opens WebApp → pays → sees preview → clicks “Get in Telegram” → bot sends photo/video.

Receipts:

Automatically generated after each payment
Contain date, time, amount, fee, author's income
Available in WebApp with export options

Tech stack:

Node.js, Express, PostgreSQL
Telegram WebApp (HTML/CSS/JS)
Telegram Bot API
Hosting: Scaleway
Payments: Interkassa (ability to add others)

Important:

Minimum author age — 18+
Possibility of NSFW (with appropriate labels)
Content stored via Telegram (file_id)
Author, after creating a product in WebApp, switches to bot to upload content
Publication can be via Telegram or link
Moderation interface

What is already available:

Complete technical task
Layouts (SVG, PDF, Figma)
Telegram bot token

Open to your architectural proposals

Please send:

Your approach to implementation
Estimated timelines + budget

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