REWALTO / DOCS / API / INSTAMART
Instamart API documentation
Reference for the Instamart data on the Rewalto API, read from API contract 0.157.0. Requests go to https://api.rewalto.com with an API key sent as Authorization: Bearer. Each endpoint below lists its parameters, record fields, errors and credit cost.
Last updated 5 Nov 2026.
Key facts
| Base address | https://api.rewalto.com |
|---|---|
| Authentication | API key, as Authorization: Bearer |
| API contract | Version 0.157.0 |
| Instamart price readings | 154 pins held · 10,103 readings on 4 Nov 2026Measured 4 Nov 2026 |
| Refresh | DailyLast update 5 Nov 2026 |
| Dark stores counted | 1,360 open stores in 168 citiesCounted 5 Nov 2026 |
Endpoints
| Endpoint | Returns | Cost |
|---|---|---|
GET /v1/data/observations?retailer=instamart | each Swiggy Instamart product Rewalto has read: title, brand, pack size, price, MRP and stock at a pin code, with the time of the reading | 1 credit per 10 readings |
GET /v1/data/observations?retailer=instamart | every reading of a Swiggy Instamart product's price, MRP and stock at a pin code, newest first, between two dates | 1 credit per 10 readings |
GET /v1/data/dark-stores?platform=instamart | each Swiggy Instamart dark store Rewalto holds, with its store id, name, city, pin code, map point and the pin codes it serves | 5 credits per dark store |
Instamart search rank and sponsored ads data
Rewalto records where each Swiggy Instamart product ranks in the app's search, by search term, pin code and day, with sponsored slots kept apart from organic ones. Read it with the search rank endpoint and the sponsored share endpoint and retailer=instamart; the terms, pin codes and dates covered are on the search rank data page.
Instamart delivery time by pin code
Rewalto holds the delivery minutes Swiggy Instamart promised shoppers at pin codes as history, not a daily feed. Read it with the delivery time endpoint and retailer=instamart; the delivery time page says which days and pin codes are covered.
Keys, errors and credits
Every endpoint shares the same key, error shape and credit rules.