What Is a Freight Forwarder?
A freight forwarder is a third-party logistics company that accepts shipments on behalf of someone else — usually an individual or business in another country — and forwards them overseas. In the B2B world, forwarders consolidate pallets and book cargo space on container ships and air freight. In the e-commerce world, the term covers a different (and more dangerous) beast: package reshippers.
A package reshipper gives international shoppers a US-based address. The shopper checks out at your store using that US address, the package lands in the reshipper's warehouse, and the reshipper then forwards it to the buyer's real address abroad — often bundled with other parcels, repackaged, and re-labeled.
To you, the seller, the order looks completely normal. To your fraud team, the shipping address looks residential. To your carrier, the delivery is just another ground package. By the time reality hits — chargeback, item-not-received claim, package never arrives at the actual buyer — the cardholder, the reshipper, and your product are in three different countries.
Two Flavors Sellers Need to Know
Most reshipping falls into one of two categories, and they carry very different risk profiles.
1. Traditional Freight Forwarders and Mailbox Services. Companies like MyUS, Stackry, Shipito, and Planet Express. These are established businesses with real warehouses, terms of service, package consolidation, and sometimes even photo inspection. They're known entities. A fraudster using one of these addresses is still a fraud risk, but the forwarding company itself is usually traceable and has policies around prohibited items, hazmat, and counterfeit goods.
2. Casillero / "Buy in USA" Services. These are smaller, often Latin-American-facing consolidation services (the Spanish word casillero literally means "mailbox" or "locker slot"). Customers in countries like Colombia, Ecuador, Chile, Mexico, and Peru sign up for a US mailing address, shop US stores that won't ship internationally, and have the casillero forward their purchases. The major couriers in this space — Casilla de USA, Aeropost, Aerocasillas, Casillas America, and dozens of regional players — operate as a critical bridge for cross-border shoppers.
The first category is a known unknown. The second is where the asymmetry gets ugly for retailers.
Why Casillero and Buy-in-USA Orders Are a Bigger Problem for Retailers
Here's the part most fraud-prevention blogs skip. A traditional forwarder is optimizing for shipping convenience — they want your product to arrive safely, because the buyer paid them for the service and will complain if it doesn't.
Casillero and Buy-in-USA services are optimizing for access to US products that otherwise can't reach them. The economic model is different:
Per-package value is often higher relative to the buyer's local purchasing power. A $300 item that costs 6 months of local salary gets more aggressive behavior when something goes wrong. Chargeback rates for orders routed to casilleros are meaningfully higher than for orders going to traditional forwarders, in our observation.
The buyer has no direct relationship with you. They didn't find your Shopify store, fall in love with your brand, and decide to buy. They found your product on a comparison site, saw that you ship to the US, and used a forwarding service specifically because you don't (or won't) ship to their country. When the package is late, damaged, or "lost in transit," the dispute is filed against you — not against the forwarder.
The forwarder is the buyer, on paper. From your store's perspective, the casillero address is the customer. The end consumer has zero recourse through your normal support channels and zero incentive to resolve things with you directly. They go straight to the card issuer.
Address reuse is rampant. A single casillero address can represent hundreds of distinct international buyers. Flag the address once, and you've flagged a customer segment — not just one person.
Returns are a black hole. If a buyer rejects the item, you can't have it shipped back to a residential address in Bogotá. Returns to the casillero are subject to the forwarder's own policies, fees, and consolidation schedules. Many will simply refuse, return-to-sender, or hold the package indefinitely.
Customs and declared-value disputes land in your lap. The casillero often repackages and re-declares contents for the destination country's customs regime. If the buyer claims the declared value was wrong, the contents were misrepresented, or the item was used and returned as "damaged," the dispute evidence chain is broken before it ever reaches you.
The net effect: a casillero or Buy-in-USA order is structurally a higher-risk transaction, even when the payment clears and the AVS matches. You're not just shipping a package — you're handing a product to an opaque intermediary who controls the final-mile relationship with the end consumer.
Can Forwarders Connect You to Overseas Buyers?
Yes — and this is the legitimate upside. Not every reshipping scenario is adversarial.
Forwarders, especially the larger ones, often run personal shopper or assisted purchase services. A buyer in a country where your store doesn't ship can pay the forwarder to place the order on their behalf, using the forwarder's own US payment method and address. The forwarder pays you cleanly (sometimes via US credit card, sometimes via wire), takes a service fee, and handles the cross-border logistics. To you, it's a normal US domestic sale to a US entity.
Some forwarders also operate marketplace integrations — they list your products on a localized storefront, take orders from local buyers, and place bulk orders against your store. You get demand from markets you don't serve, with the forwarder absorbing the cross-border risk.
This is the legitimate side of the same industry, and for sellers willing to do the work, it can be a real channel into Latin America, Eastern Europe, the Middle East, and parts of Asia where direct shipping is hard or impossible.
Pros for Sellers Who Work With Forwarders Intentionally
Access to markets you can't reach directly. No customs filings, no multi-currency checkout, no local-language support burden. The forwarder handles all of it.
Domestic-economics shipping. You ship from your US warehouse via US ground. No international shipping surcharges, no DDP complications, no lost-in-transit disputes at the carrier level.
Volume aggregation. A good forwarder relationship can turn 50 small international orders into 1 weekly bulk shipment. Better for your ops, better for the planet.
Lower chargeback rates on assisted-purchase orders compared to card-not-present orders placed by the end buyer directly. The forwarder is a vetted repeat customer with skin in the game.
Cons — and the Real Risks
You can't distinguish a legit forwarder order from a fraudster's order at checkout without third-party data. The shipping address is just a US warehouse. The payment method is often clean. The fraud signals (if any) are buried in velocity, BIN range, email age, and address reputation — none of which your basic fraud stack flags.
Chargeback reason codes cluster around "item not received." The buyer claims they never got the package. The forwarder confirms they shipped it. The carrier confirms delivery to the forwarder. The card issuer sides with the cardholder. You eat the loss plus the chargeback fee.
Casillero orders skew toward high-dispute categories — electronics, luxury, supplements, cosmetics, sneakers. The exact SKUs fraudsters target anyway.
No recourse on returns. Most forwarders won't accept returns on behalf of buyers, and you can't ship a return to an international address from your return portal without it sitting in a US warehouse until someone pays to forward it back.
Policy violations you can't enforce. Many forwarders explicitly state they won't forward counterfeit goods, but enforcement is inconsistent. If your brand gets flipped on a Latin-American marketplace through a casillero pipeline, you have no purchase trail back to the original buyer.
Reputation damage outside your visibility. A buyer in Lima who ordered from your store through a casillero, got a wrong-color item, and can't reach your support team will leave reviews on whatever marketplace they found you on. You won't see them. They will.
What Smart Sellers Do
The goal isn't to block every order shipping to a forwarder. The goal is to know which kind of forwarder it is, and apply different risk rules to each.
Classify the address. A small, evolving list of known forwarders and casilleros can be flagged with high confidence. The address itself is the signal — not the buyer's name, not the email domain, not the IP.
Apply tiered risk rules. A known major forwarder with an established history might warrant 3DS on card-not-present transactions. A casillero warehouse that just appeared in the last 90 days gets a manual review or a decline.
Watch velocity on the address, not the customer. A US warehouse receiving 40 orders from 40 different cards in 48 hours is not 40 customers. It's one operator with a distribution problem.
Build a relationship with the legitimate forwarders. The big ones will tell you which customer segments they serve, what their return policy is, and whether they'll cooperate on chargeback evidence. Most will.
Set per-SKU limits on casillero-routed orders. If you sell a $500 pair of sneakers, a 2-per-address-per-month cap on casillero-routed orders will lose you almost zero legitimate sales and stop most of the friendly-fraud exposure.
The Bottom Line
Freight forwarders and casillero services aren't the enemy. They're a layer of the cross-border e-commerce stack, and they're not going away. But treating every order shipping to a US warehouse the same way — whether it's a Brooklyn apartment, a known logistics forwarder, or a fresh casillero in Miami — is how retailers lose margin to chargebacks they never saw coming.
The sellers who win at this are the ones who classify the address, understand which forwarder they're dealing with, and price the risk into the order. Not the ones who block every unfamiliar address and hope for the best.
That's the problem ffwarn was built to solve. The data is the data. What you do with it is up to you.