Wayfair - Configure for Automated Fulfillment

Documentation Team · Updated

DropStream connects your Wayfair supplier account to a warehouse management system so orders flow automatically from Wayfair to shipment, and inventory stays in sync — without manual intervention.

Wayfair offers two API generations. Choose one before you start:

  • REST API (Version 2) — recommended. The current Wayfair API. Authenticates with a Client ID and Client Secret.
  • SFTP (Version 1) — legacy. The older file-based API. Authenticates with FTP credentials.

What this integration does

  • Imports orders from Wayfair into DropStream.
  • Forwards orders to your warehouse management system, with line items mapped by SKU.
  • Posts fulfillment status back to Wayfair when the warehouse ships, including tracking numbers and carrier information.
  • Pushes inventory updates from the warehouse to Wayfair, including the required daily full (“True Up”) sync.

What you’ll need

  • A Wayfair supplier account with access to the partner portal.
  • Your Supplier ID, plus either a Client ID + Client Secret (REST v2) or FTP Username + Password (SFTP v1).
  • A DropStream account. If you don’t have one yet, contact your DropStream administrator or fulfillment provider.

Setup at a glance

  1. Get your API credentials (in Wayfair) — for REST Version 2 (recommended) or SFTP Version 1.
  2. Enable API access (in DropStream) — for REST Version 2 (recommended) or SFTP Version 1. Add the store through the Add Connection wizard and enter your credentials.
  3. Validate the application in Wayfair — Wayfair requires validation testing before granting production API access.
  4. Configure daily full inventory sync (required) — Wayfair requires a full inventory sync at least once every 24 hours.

Who does what

  • If you manage your own DropStream account, you’ll do every step yourself — switching between Wayfair and DropStream as the steps suggest.
  • If a third-party fulfillment provider is configuring DropStream for you, you typically gather the credentials and complete the Wayfair-side validation; your provider handles the DropStream configuration.

Notes and limitations

  • Warehouse source address must be set by DropStream Support. Wayfair requires a SourceAddress on shipment notifications, configured per merchant — provide your warehouse address to DropStream Support (see Validate Application).
  • Names can’t be transformed. Wayfair requires shipment names to match the original order exactly, so don’t use rules to alter billing/shipping names.
  • The daily full inventory sync is required, not optional — schedule it during off-peak hours.
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