The Tool Desk
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Choose the Telegram payment flow for your product
Decide whether the item is digital or physical before designing checkout. Telegram’s rules distinguish the two:
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| What you sell | Payment method inside Telegram | What to account for |
|---|---|---|
| Digital goods or services | Telegram Stars, currency code XTR. Telegram requires Stars for these sales inside Telegram apps, even if the merchant also sells through a website or another external provider. Telegram Stars payments |
The bot creates the Stars invoice; a third-party provider token is not required for this digital-goods flow. Telegram Stars payments |
| Physical goods | A provider-based payment flow. Telegram’s payment documentation distinguishes physical goods from digital goods, and its Mini Apps introduction describes physical products purchased through third-party providers. Bot payments; Mini Apps | A provider token is needed for physical-goods sales. Choose the provider only after establishing your merchant country, accepted methods, currency, fees, settlement, refunds, and integration needs. Bot payments |
The documentation establishes the payment distinction, not a universal provider, tax setup, shipping service, or refund policy. Those depend on your product and business location.
How do I use Pinia with Vue 3?
Install Pinia once on the Vue application, then put state and business logic shared across views into stores. For a storefront, that commonly means catalog data, cart contents, and checkout state that multiple components need. Keep view-only details—such as whether one component’s local dialog is open—in that component rather than promoting every value into global state. Pinia describes stores as a place for state and business logic that extends beyond a single component tree. Pinia introduction
#1 Best Overall
- Keep track of everything from attendance to test scores
- Spiral bound
- Measures 8-1/2" x 11"
import { createApp } from 'vue'
import { createPinia } from 'pinia'
import App from './App.vue'
const app = createApp(App)
app.use(createPinia())
app.mount('#app')Vue recommends Pinia for new applications that need state management. If you later add server-side rendering, scope app and store instances per request; a module-level singleton holding per-user state can leak data between requests. Vue state management
How do I accept payments in a Telegram Mini App?
Use the Mini App for the customer-facing catalog and checkout interface, but keep invoice creation, payment validation, and fulfillment on the backend. The browser is not the authority for either the customer’s identity or whether an order was paid.
Rank #2
- 11" x 13" Over-sized Teacher Record Book
- No more squinting!
- 11" x 13" page size
- Seating charts
- Load Telegram’s Mini App client script. Use the documented
WebAppinterface for platform integration. Telegram Mini Apps - Send raw launch data to your backend. Send
Telegram.WebApp.initDatafor server-side validation before using Telegram identity or launch parameters for authorization. Do not treatinitDataUnsafeas trusted; Telegram warns, “WARNING: Data from this field should not be trusted.” Telegram Mini Apps - Have the backend create or retrieve the invoice link. The server should select the appropriate payment path for the product and generate an invoice using the bot payment flow. Bot payments; Telegram Stars payments
- Open the invoice after a user action. Pass the resulting URL to
Telegram.WebApp.openInvoice(url[, callback]). Telegram documents this method for opening an invoice from the Mini App. Telegram Mini Apps - Handle pre-checkout on the bot. Implement the pre-checkout query step required by Telegram’s bot payment lifecycle; do not deliver goods merely because the client opened an invoice. Bot payments
- Fulfill only after successful payment reaches the server. Process Telegram’s successful-payment update on the backend, associate it with the order, and grant digital access or arrange physical-goods fulfillment there. Store the Telegram payment charge ID, which Telegram says may be needed for a future refund. Bot payments
How do I open a Telegram invoice from a Mini App?
The frontend should request an invoice URL from your backend, then call the Mini App invoice API in response to a deliberate checkout action. The documented openInvoice method presents Telegram’s invoice popup over the Mini App rather than closing the app. Telegram Mini Apps; Mini App events
async function startCheckout() {
const response = await fetch('/api/checkout/invoice', {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ productId: selectedProductId }),
})
if (!response.ok) throw new Error('Could not create invoice')
const { url } = await response.json()
Telegram.WebApp.openInvoice(url, (status) => {
// Update the interface with the popup result.
// The backend's successful-payment update remains authoritative.
console.log(status)
})
}When the popup closes, the Mini App receives an invoiceClosed event; its status can be paid, cancelled, failed, or pending. Telegram’s web-event documentation names the event invoice_closed and the opening event web_app_open_invoice. Treat the popup result as interface feedback, not proof that the server has received a successful-payment update. Mini App events
Rank #3
- 8 1/2 x 11 Teacher Record Book with unique 7 1/2" fold out flap
- Grade recording sheets for up to 10 weeks in length
- Columns for weekly averages, major tests, progress reports, parent conferences, and more
- Enough lines for 50 students on each page, with extra-large grade recording squares
What belongs in the frontend, and what must stay on the server?
- Frontend and Pinia: shared catalog and cart state, checkout progress needed across views, and display of the invoice popup outcome.
- Backend: validation of raw
initData, invoice creation, bot pre-checkout handling, processing successful-payment updates, order status, and fulfillment decisions. - Do not trust client state as payment evidence: a browser callback can describe what happened to the popup, but the server-side successful-payment update determines whether the order is paid.
Telegram’s payment documentation describes the bot-side sequence as invoice creation, pre-checkout handling, and a later successful-payment update. Build order fulfillment around that server-side lifecycle, not around a client-side state change. Bot payments
Quick Recap
Rank #4
- Keep all your important information at your fingertips with this inspiring and stylish record book. Plenty of space is provided to record grades for assignments, tests, attendance, or other notations. Each two-page spread allows enough space for 10 weeks worth of record keeping.
- Convenient, perforated pages allow for easy management of larger classes. An easy-to-use grading chart is also provided.
- 8-1/2" x 11", 64 pages
- Spiral bound
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