Support
We’re here to help with your 9 Line account, listings, bids, and purchases. For the fastest answers, check the resources below—then reach out by email if you still need a hand.
Contact us by email
Send details about your question or issue (support@nineline.com is also where we send account and transaction notices from). We read every message and reply as soon as we can.
Email support@nineline.comTip: include your account email, any listing or auction URL, and screenshots if something looks wrong in the app.Self-service resources
Many questions about buying, selling, fees, and due diligence are covered here:
Common reasons people write in
Account & sign-in
Trouble verifying your email, signing in, or resetting your password. If you use social login, note which provider you used when you message us.
Listings & seller tools
Questions about creating or editing a listing, listing fees, photos, categories, or getting a listing live. Mention the listing title or paste a link if you have one.
Bids, auctions & messages
Issues placing a bid, understanding auction timing, or using messages to talk with a buyer or seller before you commit.
Payments, pickup & after the sale
Questions after a sale is confirmed—payment status, coordination with the other party, or something that doesn’t match the listing. 9 Line connects buyers and sellers; many delivery details are agreed between you and the other party, but we can help with platform-related problems.
Trust & safety
Report suspicious behavior, spam, or a listing that may violate our policies. Include what you saw and any relevant links so we can review quickly.
9 Line is a marketplace for equipment buyers and sellers. We don’t replace your own inspection or legal advice on a transaction. For disclaimer and liability limits, see our Disclaimer.