Sainsbury's API — Real-Time United Kingdom Grocery Data
Access Sainsbury's UK product catalog via the Pepesto API — live pricing in GBP, nutritional data, and availability from sainsburys.co.uk, returned as structured JSON.
What Does the Sainsbury's API Return?
Everything visible in the Sainsbury's app and website, returned as clean JSON via a single REST call.
Sainsbury's-specific: Promotional prices and active deals are captured in each daily refresh.
Why Use an API Instead of Building Your Own Sainsbury's Integration?
Developers who have tried to build their own Sainsbury's data pipeline know the obstacles. Unofficial workarounds exist, but they come with real costs.
Sainsbury's updates their website regularly — changing markup, adding rate limiting, or restructuring categories. Pepesto absorbs all of that. Your integration keeps working.
The same JSON field names work whether you're calling Sainsbury's, Albert Heijn, Tesco, or any other supported chain. One integration for all of Europe.
Calling a REST API takes hours. Building, maintaining, and scaling your own Sainsbury's data extraction takes months — and requires ongoing engineering resources.
DIY data extraction is fragile: a single layout change can silently break your pipeline. Pepesto monitors and updates integrations continuously so you don't have to.
Fetch Sainsbury's Products in One Request
A single authenticated POST to /api/catalog returns
the full structured product catalog from Sainsbury's.
curl -X POST https://s.pepesto.com/api/catalog \ -H "Authorization: Bearer $PEPESTO_API_KEY" \ -H "Content-Type: application/json" \ -d '{"supermarket_domain": "sainsburys.co.uk"}'
{
"supermarket_domain": "sainsburys.co.uk",
"products": [
{
"name": "Barilla Penne Rigate 500g",
"brand": "Barilla",
"pack_size": "500g",
"price": 1.89,
"unit_price": 0.38,
"unit_label": "per 100g",
"promo_price": 1.49,
"availability": "in_stock",
"category": "Pasta & Rice / Pasta / Penne",
"nutrition": {
"energy_kcal": 352,
"protein_g": 12.5,
"carbs_g": 70.5,
"fat_g": 1.5
}
}
]
}What Can You Build?
The Sainsbury's API gives your product a live data layer on top of one of United Kingdom's leading grocery retailers.
Compare Sainsbury's prices against other United Kingdom retailers in real time. Flag promotions, track price history, and surface the best deal per product.
Let users build a weekly shopping list and see the exact Sainsbury's cost — including any active promotional prices — before they shop.
Match recipe ingredients to real Sainsbury's products and show the true cost of cooking from a given menu. Drive grocery orders directly from your meal planner.
Access structured nutritional data — calories, macros, allergens — for the exact products sold at Sainsbury's. Power food logging and dietary tracking with real supermarket data.
Monitor Sainsbury's's product range, pricing strategy, and promotional cadence at scale. Track SKU introductions, price changes, and out-of-stock events over time.
Give your AI agent the ability to search Sainsbury's's catalog, compare products by price or nutrition, and place grocery orders — all programmatically via REST.
Coverage & Data Freshness
Covers sainsburys.co.uk — Sainsbury's UK online grocery store. Pricing in GBP. The integration covers the full grocery range available for home delivery and click-and-collect.
United Kingdom — sainsburys.co.uk. Pricing in GBP.
Daily. Promotional prices and weekly deals are included in every update cycle.
All products listed online at sainsburys.co.uk — including active promotions and full product details.
All product data and pricing is sourced from publicly listed pages on sainsburys.co.uk. Pepesto does not access retailer-gated pricing or any data not visible to a regular visitor. Products shown at a lower price due to a promotion or budget-tier range are included because they appear publicly on the site — not through any special retailer agreement.
How to get started
Three steps. No approval process. Your first call can be running within minutes.
Purchase a credit pack via Stripe. Pay-as-you-go from €0.05 per request. No monthly subscription, no minimum spend. Credits don't expire.
After purchase, call /link with your email — your API
key is returned immediately. No waiting, no approval form, no account
setup.
Make your first call to /api/catalog with
chain: "sainsburys". Full endpoint reference and example
responses are in the API docs.
Purchase via Stripe, then call /link with your email — your
key is returned immediately. No approval process, no waiting.
Frequently Asked Questions about the Sainsbury's API
Sainsbury's does not offer a public developer API. Pepesto provides a maintained, reliable API layer that normalises Sainsbury's product catalog from sainsburys.co.uk into consistent JSON, refreshed daily.
Pepesto returns a unified JSON schema across all 25+ supported chains. Each Sainsbury's product includes name, standard price in GBP, unit price, availability, category path, brand, pack size, and nutritional data.
Data from sainsburys.co.uk is refreshed daily, capturing current online prices and seasonal promotions.
Pepesto supports all five major UK supermarkets: Tesco (tesco.com), Asda, Morrisons, Waitrose, and Sainsbury's. You can query all five through a single unified API with consistent JSON schema.
Purchase Pepesto API credits, retrieve your key via /link, then call /catalog with chain set to sainsburys. Full endpoint reference is at pepesto.com/docs/grocery-shopping-api.
Yes. Promotional prices and active deals listed on sainsburys.co.uk are captured in each daily refresh and returned in the promotional price field alongside the standard price.
The standard catalog is indexed daily — prices, availability, and product details are refreshed every 24 hours. If your use case requires more frequent updates or push notifications on price changes, get in touch and we can discuss what's possible.
Other Supermarkets Available on Pepesto
One API key gives you access to 25+ European grocery chains with a consistent JSON schema.
