Developers Program
  • Your feedback helps us prioritize what matters — take the 2026 Developer Survey.
  • Action Required: From early May, API users must include standardized condition details when creating or updating listings in certain coins category. Update your integration to stay compliant. Learn more here.
  • Size Standardization Update: Apparel & Footwear listings with non-standard, missing, or incomplete size information may be blocked or hidden starting August 2026. Normalization begins in June. Learn more here.
  • Starting September, 2026, three listing fields are available to support ECGT commercial guarantee label for EU business sellers: Durability guarantee (new), brand, and model. Learn more here.
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