> ## Documentation Index
> Fetch the complete documentation index at: https://shinydapps-bd9fa40b.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ?????

> ???? ????? ?????? ???? API ?????????? ??????.

## ?? ?? l402-kit?

**l402-kit** ?? middleware ????? ?????? ???? ??? ???? ????? ??????? Bitcoin Lightning ??????? ??? API ?? 3 ???? ?? ????? ???.

???? ????? ??????. ???? ?????. ???? ???????. ???? ?? ???? ??????. ??? ??????.

```bash theme={null}
npm install l402-kit   # TypeScript / Express
pip install l402kit    # Python / FastAPI / Flask
go get github.com/shinydapps/l402-kit/go@v1.10.0  # Go / net/http
cargo add l402kit       # Rust / axum
```

## ??????? ???? ?????

* **Stripe**: ???? ?????? \$0.30 ??? ?????? � ??? ???? ????????? ???????
* **??????????**: ?????????? ???????? ?????? ?????????? ????????
* **????? ?????? ?????????**: ?? ??????? ?????? ?????? � ?? ?????? ??? ???? API

**l402-kit** ?? ?????? ??????: ????? ??? ??????? ??? Lightning Network? ??????? ?? ??? ?? ?????? ???????? ???? ????.

## ??? ???

* **????? API** � ????? ?????? ??? ??????? ????? ?? ???????? ??????
* **???? ????? ?????? ?????????** � ??????? ?????? ????????
* **???????? ???? Stripe** � Bitcoin ?? ???? ??

## ????? ?????? � TypeScript

```typescript theme={null}
import express from "express";
import { l402 } from "l402-kit";

const app = express();

app.get("/premium", l402({
  priceSats: 100,                           // ~$0.06 ??? ???
  lightning: new AlbyProvider(process.env.ALBY_TOKEN!, process.env.ALBY_HUB_URL!),    // ????? ??????? � 0% ????
}), (_req, res) => {
  res.json({ data: "?? ????? ?????." });
});

app.listen(3000);
```

## ????? ?????? � Python

```python theme={null}
from fastapi import FastAPI, Request
from l402kit import l402_required

app = FastAPI()

@app.get("/premium")
@l402_required(
    price_sats=100,
    lightning=ManagedProvider.from_address("you@blink.sv"),
)
async def premium(request: Request):
    return {"data": "?? ????? ?????."}
```

## ????? ????

```bash theme={null}
curl http://localhost:3000/premium
# ? {"error":"Payment Required","priceSats":100,"invoice":"lnbc..."}
```

<Card title="???? ????" icon="bolt" href="https://l402kit.com/docs/quickstart">
  ?? ????? ??? API ????? ???? 5 ?????
</Card>