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Python · Pandas · APIs

Cross-Marketplace Repricing Engine

Combines Amazon and Walmart price feeds with your own cost data and rules to propose or push new prices, with guardrails on minimum margin.

PythonPandasFastAPIPostgreSQLCeleryRedis
Margin and price-change overview
Proposed vs current price per SKU
Rule evaluation pipeline

Screens are illustrative layouts of the product, not client screenshots.

Overview

What it is

A repricing engine for marketplace sellers. It reads competitor prices from Amazon and Walmart, applies your cost data and strategy rules, and proposes or pushes new prices, never below your margin floor.

The problem

Why it was needed

Manual repricing couldn't keep up with competitor changes, and simple tools either undercut blindly or ignored costs, eroding margin.

Margin floorno price below the minimum margin
Dry runpreview changes before they go live
Traceableeach change linked to its rule

Features

What We Built

Strategy rules

Match, undercut, hold or follow a target Buy Box.

Margin guardrails

Cost, fees and minimum margin per SKU.

Dry-run mode

See the effect of rules before pushing prices.

Feed submission

Push approved prices back to the marketplaces.

Change log

Who or what changed each price, and why.

Dashboard

Prices, margins and rule hit-rates.

Architecture

How It Fits Together

  1. Competitor feedsAmazon and Walmart data
  2. Cost dataSKU costs and fees
  3. Rule enginepandas + strategies
  4. Approval / dry runreview before push
  5. Feed submissionmarketplace APIs
  6. Change logaudit trail

Rules decide, guardrails limit, and everything is logged, so repricing stays explainable.

Roadmap

From Idea to Launch

A typical delivery roadmap for a project of this kind.

  1. 1

    Strategy workshop

    3-5 days
    • Define repricing strategies per product group
    • Margin and fee model
    • Edge cases: stock-outs, no competitors
  2. 2

    Data layer

    1-2 weeks
    • Competitor feed ingestion
    • Cost and fee data
    • SKU matching across marketplaces
  3. 3

    Rule engine

    2 weeks
    • Strategy implementation
    • Guardrails
    • Dry-run mode
  4. 4

    Push and audit

    1 week
    • Feed submission
    • Change log
    • Approval workflow
  5. 5

    Launch

    1 week
    • Pilot on a product subset
    • Dashboards
    • Gradual rollout

Want something like this?

Tell us what it should do and we'll come back with a stack, a scope and a timeline.