sync.onee — Marketplace Manager for Allegro

Operator: onee sp. z o.o.
Service URL: https://sync.onee.pl
Contact: kontakt@onee.pl

Purpose / Cel aplikacji

EN: sync.onee is an internal back-office tool used by onee sp. z o.o. to manage its own retail sales on the Allegro marketplace. The application synchronises offers, stock levels, prices, orders, customer messages and shipments between our supplier feeds, our own warehouse and our Allegro seller accounts. It uses the Allegro REST API exclusively for the purpose of operating our own seller accounts.

PL: sync.onee to wewnętrzny system back-office używany przez onee sp. z o.o. do zarządzania własną sprzedażą detaliczną na platformie Allegro. Aplikacja synchronizuje oferty, stany magazynowe, ceny, zamówienia, wiadomości od klientów oraz przesyłki pomiędzy feedami dostawców, naszym własnym magazynem oraz kontami sprzedawcy na Allegro. Korzysta z Allegro REST API wyłącznie w celu obsługi własnych kont sprzedawcy.

Registered application

Application name	OAuth grants	Purpose
`sync.onee`	Authorization Code + Client Credentials	Per seller account access (offers, orders, billing, messages, shipments — Wysyłam z Allegro, customer returns) via authorization code; plus public catalog search via `GET /offers/listing` (client credentials) for competitor price tracking on our own offers.

Endpoints used / Wykorzystywane zasoby

/sale/offers, /sale/offer-publication-commands, /sale/offer-quantity-change-commands, /sale/offer-price-change-commands
/sale/allegro-prices/* (Allegro Ceny program)
/order/checkout-forms, /order/customer-returns
/billing/billing-entries, /payments/refunds
/messaging/threads, /messaging/messages
/shipment-management/* (Wysyłam z Allegro)
/sale/categories, /sale/products, /pricing/offer-fee-preview, /pricing/offer-quotes
/offers/listing (public catalog search, client credentials)

Compliance

OAuth 2.0 tokens are stored encrypted at rest.
Rate limiting and exponential backoff are implemented per Allegro API guidelines.
The application sends a custom User-Agent identifier as required from end of June 2026.
Application is operated only against the seller accounts owned by onee sp. z o.o.

Contact for Allegro administrators

For any questions or concerns about traffic originating from this application, please contact kontakt@onee.pl.

This page exists to satisfy the Allegro REST API User-Agent identification requirement (developer.allegro.pl, March 2026).