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Pay demurrage and detention port fees fast in 2026

Pay demurrage detention port fees the same day using local rails, SWIFT, or stablecoins, and stop the per-container meter from running past free time.

Plaitr Team8 min read

A container sitting past free time bleeds cash by the day, and every hour a wire is in transit costs another tier of charges. Pay demurrage detention port fees the same day using a local rail when the carrier bills in-country, SWIFT when it does not, and a stablecoin when the wire window is closed. Plaitr routes the payment to whichever rail settles first, without taking custody of the funds.

What are demurrage and detention, and why do they escalate?

Demurrage covers a loaded container that stays inside a marine terminal past its free time. Detention covers an empty or full container that stays outside the terminal past the free window for returning equipment. Both fees are set by the ocean carrier or marine terminal operator, not by the port authority, and both are billed under 46 CFR Part 541 in the United States following the Federal Maritime Commission's final rule that took effect May 28, 2024.

Rates escalate in tiers. Public 2026 ranges cited by shipping rate trackers put North American demurrage at roughly $100 to $300 per container per day, European demurrage at €60 to €250 per day, and Asian demurrage between $30 and $120 per day, with the second and third tiers running one and a half to three times the first tier. Reefers, out-of-gauge, and hazardous containers price higher. Free time is typically three to seven days for demurrage and four to seven days for detention, but the exact number sits inside the carrier tariff and the service contract, not the bill of lading.

The FMC final rule also constrains who can be billed and when. Vessel-operating carriers and marine terminal operators must issue invoices within 30 calendar days of the last day charges accrued. Non-vessel-operating carriers get 30 days from the day they receive their own invoice. Billed parties then get at least 30 calendar days to request mitigation, a refund, or a waiver. If the invoice is missing any of the required data points, the billed party has no obligation to pay it.

Why the standard payment path makes it worse

A cross-border SWIFT wire settles in one to three business days on a good corridor and four to five days on a weak one. If the demurrage clock is at $250 per 40-foot container per day and a payment sits in correspondent banking for three days, that is $750 of avoidable charge on a single box, and it stacks per container across the bill of lading.

The path gets worse on Fridays and around US and EU bank holidays. A wire initiated after the local cutoff at the sending bank enters the correspondent chain the next business day, and each intermediate bank adds its own cutoff. A container that clears customs on a Thursday evening but cannot be released until the carrier confirms payment can accrue three or four extra days of demurrage over a single weekend.

Card payments are not usually an option at this scale. Carriers accept them for small releases, but per-transaction limits and 2 to 3 percent surcharges make them impractical for containers billed in the four to five figures per day.

What does Plaitr do differently?

Route each payment to the fastest legal rail for that carrier. Plaitr detects the carrier's billing entity and country from the invoice, then picks a same-country local rail (ACH, SEPA Instant, Faster Payments, PIX, UPI) when the biller is domestic, SWIFT when it is not, and a regulated stablecoin transfer when the wire window is closed or the corridor is USD-scarce.

Keep the funds non-custodial. Plaitr does not hold operating balances. Cash sits at licensed partner banks in the customer's name, and stablecoin balances sit in the customer's own wallet infrastructure. Plaitr signs and routes; it does not take title.

Reconcile the payment against the invoice automatically. Auto accounting reads the itemized fields the FMC rule now requires (container number, free time start and end dates, tariff rate, accrual dates) and attaches them to the ledger entry, so the demurrage line matches the container it came from.

Governing law is Wyoming. Card issuance is coming soon and is not required to pay a port fee today.

What does it look like in practice?

Step 1: The alert fires. The freight forwarder or ERP posts a demurrage or detention invoice to the Plaitr inbox, or the customer forwards it by email.

Step 2: Plaitr parses the biller. If the biller is Maersk Line A/S invoicing in DKK from Denmark, the platform proposes a same-country euro-adjacent rail. If the biller is CMA CGM invoicing in USD to a US consignee, the platform proposes USD ACH or wire depending on cutoff. If it is a Friday after 17:00 local time at the biller, the platform proposes a USDC transfer to the carrier's stablecoin address of record when one is on file, or a Monday-morning SWIFT with a stablecoin bridge to a partner that pays out same-day in the carrier's currency.

Step 3: The customer approves. The signature happens on the customer's own keys or bank credentials. Plaitr never signs on behalf of the customer.

Step 4: Reconciliation runs. The payment receipt is matched to the container number and the FMC-required invoice fields, and the free time end date is stored so a future dispute has evidence.

How do payment rails compare for port fees?

| Rail | Typical settlement | Weekend availability | Best for | | --- | --- | --- | --- | | Domestic ACH (US) | Same day or next day | No | US-billed demurrage inside cutoff | | SEPA Instant (EU) | Under 10 seconds | Yes | EU-billed demurrage in EUR | | Faster Payments (UK) | Under 2 hours | Yes | UK-billed demurrage in GBP | | PIX (Brazil) | Seconds | Yes | Santos and Paranagua fees in BRL | | UPI (India) | Seconds | Yes | Nhava Sheva and Mundra fees in INR | | SWIFT wire | 1 to 3 business days | No | Cross-border, no local rail available | | USDC or USDT on-chain | Minutes | Yes | Weekends, holidays, USD-scarce corridors |

Availability windows and cutoffs are set by the receiving bank and the local scheme operator, not by Plaitr. Confirm the carrier's accepted rails on the invoice or in the service contract before sending.

Frequently asked questions

What is demurrage? Demurrage is a charge assessed by an ocean carrier or marine terminal operator when a loaded container stays inside a marine terminal past its free time. It is billed per container per day and escalates in tiers.

What is detention? Detention is a charge assessed when a container (empty or loaded) stays outside the terminal past the free window for returning equipment. It is also billed per container per day.

Who can charge demurrage and detention in the United States? Under 46 CFR Part 541, vessel-operating carriers, non-vessel-operating carriers, and marine terminal operators can bill demurrage and detention. Trucking companies were previously protected from being billed, but the D.C. Circuit vacated that protection in 2025 and the FMC removed the provision on December 29, 2025.

How long does a carrier have to send an invoice? Vessel-operating carriers and marine terminal operators have 30 calendar days from when charges last accrued. Non-vessel-operating carriers have 30 calendar days from when they received their own invoice.

How do you dispute a demurrage or detention invoice? File a request for fee mitigation, refund, or waiver within at least 30 calendar days of the invoice. The billing party must attempt to resolve it within 30 calendar days unless both sides agree to an extension. If the invoice is missing any of the 13 required data points, no obligation to pay attaches.

Can you pay demurrage in stablecoins? Some carriers and freight forwarders accept USDC or USDT to a corporate wallet of record. Confirm the address in writing before sending. Stablecoin payment is useful when the local bank rail is closed or the corridor is USD-scarce.

Does Plaitr hold customer funds? No. Plaitr is non-custodial. Cash sits at licensed partner banks in the customer's name and stablecoin balances sit in the customer's own wallet infrastructure. Governing law is Wyoming.

What if the invoice arrives on a Friday night? Route it through a stablecoin rail if the carrier accepts one, or pre-fund a same-currency account at the biller's local bank on Monday morning. Weekend SWIFT is not available on most corridors, and same-country instant rails such as SEPA Instant, Faster Payments, PIX, and UPI settle continuously.

Cut the meter. Route the next demurrage or detention invoice through Plaitr, pick the fastest rail for the biller's country and the time of week, and keep the container moving. Start at demo.plaitr.com.