Checks whether Telegram Premium purchase is possible. Must be called before in-store Premium purchase, official apps only.
Method schema is available as of layer 144. Switch ยป
| Name | Type | Description |
|---|---|---|
| purpose | InputStorePaymentPurpose | Payment purpose |
| Code | Type | Description |
|---|---|---|
| 406 | PREMIUM_CURRENTLY_UNAVAILABLE | You cannot currently purchase a Premium subscription. |