Python examples

import httpx
 
INZI_KEY = "sk_live_..."
 
async def create_checkout(amount: str, order_id: str) -> str:
    async with httpx.AsyncClient() as client:
        resp = await client.post(
            "https://api.inzilink.com/api/v1/checkouts",
            headers={"Authorization": f"Bearer {INZI_KEY}"},
            json={
                "amount": amount,
                "currency": "USD",
                "metadata": {"order_id": order_id},
                "redirect_url": "https://yoursite.com/success",
                "webhook_url": "https://yoursite.com/webhooks/inzi",
            },
        )
        resp.raise_for_status()
        return resp.json()["checkout_url"]

import requests
 
resp = requests.post(
    "https://api.inzilink.com/api/v1/checkouts",
    headers={"Authorization": f"Bearer {INZI_KEY}"},
    json={
        "amount": "25.00",
        "currency": "USD",
        "metadata": {"order_id": "ORD-123"},
    },
)
checkout_url = resp.json()["checkout_url"]

resp = httpx.get(
    f"https://api.inzilink.com/api/v1/checkouts/{checkout_id}",
    headers={"Authorization": f"Bearer {INZI_KEY}"},
)
status = resp.json()["status"]  # pending | completed | expired

import hmac, hashlib, time, json
 
def verify_webhook(body: str, headers: dict, secret: str) -> dict:
    timestamp = headers["X-Inzi-Timestamp"]
    signature = headers["X-Inzi-Signature"].removeprefix("sha256=")
 
    signed_payload = f"{timestamp}.{body}"
    expected = hmac.new(
        secret.encode(), signed_payload.encode(), hashlib.sha256
    ).hexdigest()
 
    if not hmac.compare_digest(expected, signature):
        raise ValueError("Invalid signature")
 
    if abs(time.time() - int(timestamp)) > 300:
        raise ValueError("Webhook too old")
 
    return json.loads(body)

from fastapi import FastAPI, Request, HTTPException
 
app = FastAPI()
 
@app.post("/webhooks/inzi")
async def handle_webhook(request: Request):
    body = (await request.body()).decode()
    event = verify_webhook(body, dict(request.headers), WEBHOOK_SECRET)
 
    if event["event"] == "checkout.completed":
        order_id = event["data"]["metadata"]["order_id"]
        await mark_order_paid(order_id)
 
    return {"ok": True}