Marketplace Seller Requests (Buyer Guide)

What this does 

Marketplace Seller Requests lets you, as a marketplace buyer, change which marketplace seller is on your shipment without re-rating. You can request to add a marketplace seller, remove one, or add a TONU leg for a seller. The seller approves or rejects the request, and nothing on the shipment changes until they do. Sellers can send you the same requests, and you approve or reject them.

It works on any shipment type and at any shipment status, as long as you and the seller have an Approved/Active marketplace relationship. It applies to saved shipments and doesn't replace rating: when you rate with a marketplace tariff, rating adds that seller to the shipment directly, with no request.

• Remove a marketplace seller that's stranded on your shipment, without re-rating.
• Add a TONU leg for a seller you swapped out, when a TONU charge applies to them.
• Approve or reject requests a seller sends you, to join your shipment or to be removed from it.

User Guide 

Before you start — what you need first

1. You and the other organization must already have an active marketplace relationship on file. Set this up under LSP → Marketplace Seller List — both sides need to show Approved/Active before you can request each other directly.
2. You'll need the "TMS Site Admin" permission on your account to see these options, and your organization must be flagged as a Marketplace Buyer.

Where you manage requests

You manage requests in two places:

• The "Marketplace" menu is a dropdown on the shipment detail page, located on the Linehaul leg (and on any TONU leg) under Cost Calculations. Use it to add or remove a marketplace seller, or request a TONU leg, directly from the shipment you're working on.
  
  
• The "Approval Requests" page is under LSP. Use it to track every request you've sent or received, across all your shipments, in one place.

Notifications

Every request sends an email when it's submitted, accepted, rejected, or canceled. It goes to both organizations' LSP Alert Email, not just whoever needs to act next. If your organization has no Alert Email set, you won't receive these emails, so check Approval Requests instead. Each event is also recorded in the shipment's Activity Log for your organization. While a request is pending, the leg's "Marketplace" icon shows a small badge, so you always know where to check.

How to add a marketplace seller to your shipment

Where to go: Open the shipment, go to its Linehaul leg under Cost Calculations, and click the "Marketplace" menu.

Step by step:

1. Click the "Marketplace" icon (Marketplace buyer actions) and select Add marketplace seller. This option only appears when the leg doesn't already have a seller or a Factoring Company, and no bill has been created on your side.
2. A modal appears to select a seller from the dropdown — only sellers you already have an approved relationship with will appear.
3. Once you select the seller, click Submit. You'll see a confirmation that your request was sent.
4. The "Marketplace" menu itself now shows a warning badge confirming a request is pending. Click the menu again and select View my seller add request to see a summary of what you submitted.
5. You and the seller both get an email confirming the request.

How to accept a seller addition request

Where to go: LSP → Approval Requests, or the shipment's Cost Calculations section.

Step by step:

1. Find the incoming request from the seller asking to join your shipment.
2. Click Accept to approve it, or Reject to decline.
3. Once accepted, the seller is added to the Linehaul leg at your current rate with no added margin. The shipment’s Bill-To changes to the seller (Third party, using the seller’s Invoice Address) and replaces any custom Bill-To. Carrier Confirmation moves to the seller, because they’re now paying the carrier.
4. You and the seller both get an email confirming the decision.
   
   

How to accept a seller removal request

Where to go: LSP → Approval Requests.

Note: This request can also be seen from the shipment's own Cost Calculations section, since you already have access to that shipment.

Step by step:

1. Find the incoming request from the seller asking to be removed from your shipment.
2. Click Accept to approve it, or Reject to decline.
3. Once accepted, the seller’s organization and pricing are removed from the Linehaul leg entirely — your own pricing is untouched. The shipment’s Bill-To goes back to your default. A custom Bill-To you had before the seller was added isn’t restored, so re-enter it if you still need it.
4. You and the seller both get an email confirming the decision.
   

You can also manage this directly from the shipment detail: once the request comes in, the leg's 'Marketplace' menu shows a badge — click it to open the request. This will be your view when the seller has requested their own removal — you'll see Accept and Reject options.

How to request a TONU leg

Where to go: Open the shipment's Linehaul leg, click the "Marketplace" menu, and click Request a TONU leg.

1. Select the seller and enter the TONU fee you've agreed on.
2. Submit the request. The seller must accept before the TONU leg is created.
3. Once accepted, a TONU leg appears on the shipment for that seller, separate from the Linehaul leg. Your Linehaul pricing doesn't change.
   
   

How to remove a marketplace seller or a TONU leg

Where to go: Open the Linehaul leg's "Marketplace" menu and click Remove marketplace seller,



or open the TONU leg's "Marketplace" menu and click Request removal of TONU leg.

• Submit the request. The seller must approve it.
• Removing a marketplace seller isn't available once accounting has started on that relationship: a bill on your side, or a bill or invoice on the seller's side. It's also unavailable on a canceled shipment.
• In either case the option appears greyed out, with a tooltip explaining why. 
  
  Example: the request's own detail view, opened from the leg's 'Marketplace' menu, shows the request type, shipment, buyer and seller, who requested it, the leg, and its current status. If you submitted the request, you can cancel it from here.
  
  

How to manage your pending and past requests

Where to go: LSP → Approval Requests.

• Filter by status (Active (Pending), Approved, Rejected, Cancelled, or All) and by date range.
  
  
• Search by shipment number, buyer or seller name, direction, or the request type.
• If you started a request, you can Cancel it any time before the other party responds — either from this page or from the request's own detail view on the shipment.
  
• If someone sent you a request, you'll see Accept and Reject options here.
  

• A request stays Pending until the seller approves or rejects it, or you cancel it. Requests don't expire. If a seller hasn't responded, contact them directly. Click Refresh to see new requests; the page doesn't update by itself while it's open.

Common messages you might see 

A few messages you might see, and what they mean:

• "You cannot remove a marketplace seller with created bills or invoices!" — removal is blocked because a Bill or Invoice already exists on this relationship, on your side or the seller's. 
• "A TONU leg already exists for this shipment." — only one TONU leg can exist on a shipment at a time. This can happen even if you don't see a TONU leg from your own view — a different organization may have already created one.
• "Invalid operation: Marketplace seller already exists or leg not found." — a marketplace seller is already active on this leg, or someone else's request got there first. Refresh the page to see the leg's current state before trying again.
• "You cannot remove a marketplace seller with created bills!" -- a bill already exists on your side of the relationship. 
• "A matching request is already pending for this shipment. Resolve or cancel it before submitting another."-- you already have this request open. Find it on Approval Requests and cancel it, or wait for the seller to respond. 

 Frequently asked questions

Can I add a marketplace seller to a Truckload shipment?

Yes, Marketplace Seller Requests are available on any shipment type, not just LTL. The requirement is the approved marketplace relationship on file, not the shipment type.

What happens to pricing when a seller is added?

The new seller's rate starts exactly at your current rate, with no margin added yet. Either side can adjust their own margin independently once the request is accepted.

What happens to the Bill-To when a seller is added or removed?

When a seller is added, the shipment's Bill-To changes to Third party, using the seller's Invoice Address, and replaces any custom Bill-To. When the seller is removed, it goes back to your default. A custom Bill-To you set before the seller was added, or edited while they were on the shipment, isn't restored. Re-enter it if you still need it.

Can I have more than one marketplace seller on the same leg?

No, only one marketplace seller is active on a given Linehaul leg at a time. Use a TONU leg if you need to bring in a different seller alongside the original relationship.

I swapped one seller for another. How does the first seller get their TONU?

Request a TONU leg for them from the Linehaul leg's Marketplace menu, with the fee you agreed on, or accept the TONU request they send you. Adding them back with Add marketplace seller won't work, because the Linehaul leg already has the new seller.

Why don't I see "Add marketplace seller" on this leg?

The option only appears when all of these are true: the leg doesn't already have a seller (whether from a tariff or a previous Add), there's no Factoring Company on the leg, accounting hasn't already started on your own side (no bill created yet), and you have the "TMS Site Admin" permission with your organization flagged as a Marketplace Buyer. If any of these isn't met, the option simply won't appear — there's no error message, it just won't be there.

Why can't I remove the seller on my shipment?

If accounting has already started on that relationship — a Bill has been created on your side, and/or a Bill or Invoice on the seller's side — "Remove marketplace seller" appears greyed out, with a tooltip explaining why. Shipment status doesn't block a removal. Remove is also greyed out on a canceled shipment.

Note: an Invoice you've already sent to your own end customer, further down the chain, does NOT block this — only accounting on your own relationship with the seller counts.

Does the shipment's status affect whether I can submit these requests?

No. Add, Remove, and TONU requests can be submitted at any shipment status. What can block a request: accounting has already started on the relationship, the leg already has a marketplace seller or a Factoring Company, or the shipment already has a TONU leg. Remove is also greyed out on a canceled shipment.

Can the same seller be active on both the Linehaul leg and a TONU leg?

Yes. A seller already active on the Linehaul leg can also be added via a TONU leg on the same shipment — the two are independent relationships, not mutually exclusive.

Will I still see Carrier Confirmation after a seller is added?

No. Once a marketplace seller is active on the leg, Carrier Confirmation visibility shifts to the seller, since they're the one now paying the carrier. You won't see those documents on that leg anymore.

I submitted a request but I don't see it — where did it go?

Check LSP → Approval Requests with the Status filter set to "Active (Pending)." If you still don't see it, try the Refresh button — the list doesn't update automatically while the page is open.

How long does the seller have to respond?

There's no time limit. A request stays Pending until the seller approves or rejects it, or you cancel it. If you're waiting on a seller, contact them directly.

 If something doesn't work

• Make sure you and your counterparty have an Approved/Active marketplace relationship on file.
• Confirm there's no accounting already started on the relationship (a bill or invoice), and that the leg doesn't already have a seller or a Factoring Company. Shipment status never blocks a request.
• If a request seems stuck, check Approval Requests for its current status before trying again.
• If you still can't complete a request, contact Tai Support with your shipment number, the seller's organization name, and the message you saw.