Compare a Phone's Price on Croma, Reliance Digital, Amazon, Flipkart & the Brand Store

import asyncio, os, httpx

API = "https://api.quickcommerceapi.com/v1"
HEADERS = {"X-API-Key": os.environ["QC_API_KEY"]}
LOC = {"lat": 19.0760, "lon": 72.8777, "pincode": "400001"}  # Mumbai

# One model, one entry per store. Links are resolved; brand-store IDs are given directly.
OFFERS = [
    {"url": "https://www.croma.com/<model-slug>/p/<id>"},
    {"url": "https://www.reliancedigital.in/product/<model-slug>"},
    {"url": "https://www.amazon.in/dp/<ASIN>"},
    {"url": "https://www.flipkart.com/<model-slug>/p/<itm>?pid=<PID>"},
    {"platform": "OnePlus", "item_id": "<productCode>:<skuCode>"},
]

async def resolve(client, offer):
    if "item_id" in offer:
        return offer["platform"], offer["item_id"]
    r = await client.get(f"{API}/item/resolve", params={"url": offer["url"]})
    r.raise_for_status()
    d = r.json()["data"]
    return d["platform"], d["item_id"]

async def price(client, platform, item_id):
    r = await client.get(f"{API}/item", params={**LOC, "platform": platform, "item_id": item_id})
    if r.status_code != 200:
        return {"platform": platform, "error": r.json().get("detail")}
    item = r.json()["data"]["items"][0]
    return {
        "platform": platform,
        "name": item["name"],
        "price": float(item["price"]) if item.get("price") else None,
        "mrp": float(item["mrp"]) if item.get("mrp") else None,
        "available": item.get("available"),
        "link": item.get("deeplink"),
    }

async def main():
    async with httpx.AsyncClient(headers=HEADERS, timeout=60) as client:
        ids = await asyncio.gather(*(resolve(client, o) for o in OFFERS))
        rows = await asyncio.gather(*(price(client, p, i) for p, i in ids))
    in_stock = [r for r in rows if r.get("available") and r.get("price")]
    for r in sorted(in_stock, key=lambda r: r["price"]):
        print(f"{r['platform']:<16} Rs {r['price']:>9,.0f}  (MRP {r['mrp'] or 0:,.0f})")
    if in_stock:
        best = min(in_stock, key=lambda r: r["price"])
        print(f"Cheapest: {best['platform']} -> {best['link']}")

asyncio.run(main())