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Overview

To authenticate with Back Market, you will need:
  1. Platform — The regional Back Market platform your seller account operates on
  2. API Token — The token generated from the Integrations page of your Back Market Back Office
This guide will walk you through obtaining each of these values.
Back Market also requires a Country Code and a User-Agent on every API request. These are integration-level settings your app configures, not something the seller provides here — see Back Market for details.

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Prerequisites

  • An approved Back Market seller account
  • Access to your Back Market Back Office

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Instructions

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Step 1: Choosing your platform

Back Market operates three separate platforms, each with its own domain, seller account, and API token — and each has a separate preprod (sandbox) environment for testing: Pick the domain matching both the platform your seller account was created on and the environment (production or preprod) you’re connecting to. A token generated on one platform or environment does not work on another.

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Step 2: Generating your API token

  1. Log in to your Back Market Back Office and go to Options → Integrations (https://www.backmarket.fr/bo-seller/onboarding/options/integrations for the EU platform — swap the domain for your platform).
  2. Click Add new integration.
  3. For the integration type, choose Other integration.
  1. Click Confirm to generate your API key.
  2. Copy the generated API token. It’s a Basic-auth token.
The token is shown only once. Store it securely and never expose it in client-side code, logs, or URLs.

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Step 3: Enter credentials in the Connect UI

  1. Open the form where you need to authenticate with Back Market.
  2. Select your Platform.
  3. Enter your API Token.
  4. Submit the form, and you should be successfully authenticated.
You are now connected to Back Market.