Amazon Tightens Seller Fulfilled Prime: Trial Limits, Monthly Volume Minimums, and Size-Tier Evaluation
Amazon overhauled Seller Fulfilled Prime program rules effective June 29, 2025, adding several new operational restrictions. Sellers are now capped at three SFP trial attempts per calendar year — burning all three locks them out until January 1. Once enrolled, sellers must ship at least 100 Prime-eligible packages each calendar month, spread throughout the month, or face a reduced daily Prime order volume cap. Performance metrics are now evaluated separately by size tier, so poor OTDR in one tier no longer jeopardizes Prime eligibility across all product categories.
Real-World Impact
A seasonal seller who uses all three trial attempts before August can no longer re-enter SFP in time for Q4 peak — missing the Prime badge during the highest-traffic period of the year. Under previous rules, there was no annual trial limit.
Key Points
- SFP trial attempts capped at three per calendar year — failures before June 29, 2025 do not count toward this limit
- Enrolled sellers must ship at least 100 Prime-eligible packages per month, distributed consistently across weeks
- Falling below 100 monthly packages or clustering all shipments in one week triggers a daily Prime order volume cap
- OTDR and delivery speed are now evaluated separately by size tier: standard, oversize, and extra-large
- SFP trial graduation is blocked during restricted periods such as Prime Day and Black Friday
- OTDR protection applies when Shipping Settings Automation is enabled with Amazon Buy Shipping or Veeqo labels
What You Should Do Now
- 1Review your trial attempt count in Seller Central → Programs → Seller Fulfilled Prime before starting a new trial
- 2Confirm your fulfillment operation can consistently ship 100+ Prime packages per month before enrolling
- 3Enable Shipping Settings Automation and use Amazon Buy Shipping labels marked 'OTDR Protected' to reduce late-delivery risk
- 4Time your trial carefully — avoid starting within 30 days of Prime Day or other restricted graduation windows