Zonos app for Japan Post shippers

Download the app 

The Zonos app is available for iOS and Android devices. It is free to download—there are no subscription fees. To download the app, click the links below:

• Download for iOS
• Download for Android

Create an account 

Once downloaded, set up your Zonos account:

1. Tap Create an account.
2. Sign in with your Google or Apple account, or enter your email address and a password.
3. You will receive an email with a 6-digit verification code. Enter this code to finalize your account setup.

Important: Each box you ship requires an individual declaration of contents and payment of customs duties. No refunds of customs duties and fees will be made after the shipment has been sent from Japan.

1. In the Ship tab of the Zonos app, select your package type. Standard package is selected by default. For less common shipment types, select Gift, Document, or Return.
2. Optionally, select the country where your items were made. Japan is shown as a quick-select option, or tap Select to choose another country. If you do not know the country of origin, select I am not sure or leave this field blank. The app will use your item photo to predict the country of origin.
3. Confirm that Japan Post is selected as your postal carrier at the bottom of the screen, then tap Continue.
4. Tap Add by photo and take a photo of the items you are shipping. You can include all items in one photo, or take multiple photos. The app uses Zonos Vision to automatically identify your items, estimate their value, and predict the country of origin.
5. Review the item details on the Shipment screen.
   • Tap Edit item to update any details (photo, description, country of origin, HS code, value, quantity, or unit weight). You can also set a Non-Dangerous Goods Reason from this screen. This field will be required when creating your shipping label. Options: Not Applicable, Without lithium battery, Lithium battery contained in equipment, Alcohol content of 24% or less, Without Gas, Without Oil, or Others (free-form text field). If you edit an item, click Save item to update the item details.
   • Tap + Add another item to add additional items.
   • Once all items look correct, check the box confirming the information is true and correct, then tap Calculate duties.
6. Review the duty calculation.
   • Duty amount shows the total duties owed. Tap Duty breakdown to see how duties are calculated.
   • The Clearance and processing fee is shown separately.
   • The Total reflects duties plus the clearance and processing fee.
7. Tap Pay [amount] JPY to proceed to payment. Payment methods include credit or debit card (Visa, Mastercard, American Express, Discover), Link for 1-click checkout, or Scan card. Once you pay, you will receive an email confirming your duty payment and Declaration ID.

What is a Declaration ID? 

A Declaration ID is a code that proves you've completed your customs declaration and paid the required duties.

Why it's required:

• Under U.S. regulations, parcels entering the country by mail must have duties prepaid, and many EU countries now require the same
• Without a Declaration ID, your parcel won't be accepted for shipping to a destination that requires prepaid duties

To create your shipping label, tap Create shipping label from the payment confirmation screen.

If you're returning later, go to Account → Order history and tap the order you'd like to create a label for. If you don't create a label within 5 days, the card authorization expires and you will not be charged. If this happens, you will need to create a new Declaration ID and then create a shipping label.

Important: All sender and recipient information and shipment data must be entered in English (Roman/Latin) characters only. Japanese characters (kanji, hiragana, katakana) cannot be processed by customs authorities' automated systems and will cause clearance failures or delays. Item descriptions in the app will appear in your native language, but the customs description on your shipping label will always be in English.

Sender address:

• Full name (required), Company name (optional), Phone number (required), Postal code (required), Street address (required), City / Town (required), Prefecture (required)
• Country/Territory — set to Japan
• Check Save address to save for future shipments. You can add a name for this address (e.g. "home" or "work").
• Tap Continue.

Recipient address:

• Full name (required), Company name (optional), Email (optional), Phone number (optional), Street address (required), City / Town (required), State (required), Postal code (required)
• Country/Territory — defaults to United States of America. If you are sending to a U.S. territory, select the Territory from the dropdown instead.
• Tap Continue.

1. Select shipment type — Choose the Japan Post service level for your shipment. Tap the tab below for details on your specific service.

1. Enter package information.

• Weight (g) (required)
• Content type (required) — Sale of Goods, Commercial Sample, or Others
• Terms of payment (required) — Commercial or Non Commercial
• Insured value (JPY) (optional, defaults to 0)
• Other Mailing-Related Information (optional) — Fields for commercial shippers who need to attach trade document references (e.g., import licenses, VAT numbers, or invoice numbers) to their customs declaration. Individual senders can leave these blank. Includes: License Number, Certificated Number, TAX-code / VAT-number, Pay Condition, Invoice Number, Sender's Reference Number, and Remarks.

1. Check the Confirmation of Dangerous Goods box to confirm your shipment does not contain dangerous goods.

2. Tap Continue.

For each item, confirm the customs description and select a Non-Dangerous Goods Reason:

• Not Applicable
• Without lithium battery
• Lithium battery contained in equipment
• Alcohol content of 24% or less
• Without Gas
• Without Oil
• Others (free-form text field).

Your selection is appended to the customs description on the label (e.g. "Plastic collectible figure (Without lithium battery)").

Tap Continue.

Verify all information: sender/recipient addresses, shipping date, service type, item details, package details, and invoice information. If everything looks correct, tap Create label. If you need to make changes, tap Go back.

After the label is created, the confirmation screen will display Label created and show your tracking number.

1. Tap View shipping label to open your shipping documents. Your label will automatically include "DDP - [Declaration ID]" (e.g. DDP - 0pvt93kr51xp6) at the top of the label. This informs the postal clerk that duties have been prepaid for your shipment and they can process it.
2. Print all documents and attach them to your package.
3. Bring your package to a post office designated by Japan Post.
4. At the post office, place the shipping label and related documents into the pouch provided
5. The postal clerk will then scan the shipping label, collect postage, and process your shipment.

If a shipping label is not created within 5 days of duty payment, the card authorization expires and you will not be charged. If this happens, you will need to create a new Declaration ID and create a new shipping label.

After your label is created, click View order confirmation to view your shipment details with your duty payment details, tracking number, and shipping information.

• Tap Summary to expand a full breakdown of your payment, including the duty amount per item, the clearance and processing fee, and the total paid.
• Tap View / Print shipping label to access or reprint your shipping documents.
• Below the shipping label, you will see your shipment details:
  • Tracking number (linked)
  • Declaration ID
  • Postal carrier: Japan Post
  • Package type
  • Shipment status: Shipped
  • Created date
  • Payment method
• To cancel before the shipment is processed by Japan Post, tap Cancel order at the bottom of the confirmation screen.

The Zonos app will help you determine if a gift is eligible for duty-free treatment. Start by selecting Gift as the package type in the Zonos app. You will be asked a series of questions to verify that the gift is eligible for duty-free treatment.

• For gifts valued under $100 USD and eligible for duty-free treatment, you do not need to use the Zonos app to create a label. Continue creating a label through any Japan Post application as you normally would.

• For gifts valued at $100 USD or more or that are not eligible for duty-free treatment for any other reason, duty will be charged. Continue with the Zonos app by selecting Standard Package as the package type to ensure duties are calculated and collected correctly.

  • When creating the label you should select non commercial as the terms of payment.

Gifts to EU destinations: a non-commercial gift valued under €45 is exempt from EU customs duty and is shipped DAP. See EU import duty regulation for how the €45 gift relief works, and EU country readiness for how each destination treats gifts.

If you are not sure what is considered a gift, see our commercial invoice guide.

Duties do not apply to documents (e.g., legal papers, certificates, diplomas) shipped to the U.S., and a Declaration ID is not required. You can ship documents through Japan Post without using the Zonos app.

U.S. returns are not duty-free. If you are returning a package to the U.S., you must pay duties using the Zonos app and obtain a new Japan Post label before shipping.

Follow steps 1–6 under Prepay duties on a shipment above to enter your item information and review the duty calculation. If you only want the estimate, don't tap Pay [amount] JPY—go back instead, and the information won't be saved.

Not exactly—estimating duties this way uses the same flow as shipping, just stopped before payment. If you don't pay, nothing is saved: no Declaration ID or shipping label is created.

If you complete payment and later decide not to ship, you can cancel the order from the Orders tab—cancellation is available until the parcel has been lodged at the post office, even if a tracking number has already been assigned. You can also download your order information and receipt from the Orders page.

Tap Order history to view details for all previous orders. Each order displays the total amount paid, date and time, and Declaration ID. Tap any order to view the full confirmation details.

From an order in your history:

• If a shipping label has already been created, tap View / Print shipping label to access and reprint your documents.
• If a shipping label has not yet been created, the confirmation page will show a Create shipping label button where you can complete your shipment, or a Cancel order option if you no longer need to ship.

The Manage addresses section allows you to view, add, edit, and delete saved sender addresses. Saving your address speeds up label creation so you don't have to re-enter your information each time you ship.

• To add a new address: Tap the + button in the top right corner. Enter your full name, phone number, postal code, street address, city/town, and prefecture. Optionally add a company name and an address label (e.g. "home" or "work"). Tap Save.
• To edit an address: Tap an existing address to open it and make changes. Tap Save when done.
• To delete an address: Tap an existing address to open it, then tap the trash icon in the top right corner.

IOSS only applies to EU shipments with goods valued at €150 or less. Above €150, whether a shipment can be sent duty-prepaid (DDP) depends on the destination country, and some countries also set a maximum goods value. See EU country readiness for each destination's rules.

If you have your own IOSS number, or you sell through a marketplace that has one, add it to your account using the steps below.

An IOSS number isn't required. Any EU shipment valued at €150 or less without a third-party IOSS number uses Zonos' IOSS number. If you use your own IOSS number, Zonos won't charge you the VAT, since you (or your marketplace) will be remitting it. If Zonos' IOSS number is used, Zonos charges you the VAT and remits it to the EU country.

If you have your own IOSS number but don't add it in the app, the shipment defaults to Zonos' IOSS number. Zonos charges you the VAT and remits it, and you (or your marketplace) will also remit VAT for that shipment, so you end up paying it twice. That's why, if you have your own IOSS number, you should always add it.

1. Tap Account in the bottom right of the app.
2. Under Preferences, tap Tax IDs.
3. Tap the + button in the top right corner.
4. Enter your IOSS number.
5. Select your Registered member country from the dropdown. If no dropdown is shown, this is not needed, and you can skip this step.
6. Tap Save.

1. Tap the Account icon in the bottom right of the app.
2. Select the color theme of your app. You can select Light, Dark, or System. System will use your device's default theme.

The app supports 19 languages. By default, the app will display in the language that you have your phone settings configured to.

To adjust your preferred language:

1. Tap the Account icon in the bottom right of the app.
2. Tap the dropdown box showing your current language.
3. Scroll through the list of available languages.
4. Tap your preferred language to select it.

Enable biometric authentication (Face ID or fingerprint) to sign in faster. To enable, tap Biometric Sign-In in the Security section of your account settings.

To remove biometric authentication, tap the 3 dots next to the Biometric Sign-In option in the Security section of your account settings and tap Remove.

To view these documents, click on Privacy or Terms of Service at the bottom of the account page.

When you take a photo of your items, the app uses Zonos Vision—our AI-powered item detection tool—to quickly identify them, estimate their value, and predict the country of origin in just seconds. You'll always be able to review and edit the details before confirming payment.

After taking a photo of your items, you'll be able to review and edit all details before confirming and getting a duty calculation.

Your duty payment is only finalized once your Declaration ID is linked to a postal tracking number. If you do not create a shipping label within 5 days, the card authorization expires and you will not be charged. If you don't want to wait 5 days for the declaration ID to expire, you can also manually cancel the payment from the confirmation page.

To cancel the payment, tap Account → Order history → tap the order you want to cancel → scroll to the bottom of the page and tap Cancel order.

If you have already linked your Declaration ID to a tracking number, you can still cancel your order and receive a duty refund as long as Japan Post has not processed your shipment at the postal counter. Once the shipment has been processed by Japan Post, duty refunds are no longer available.

If your gift is valued at $100 USD or more, duties are required—even for personal gifts.

Duties can include MFN (standard duty) rates, Section 301 tariffs, and other product-specific tariffs like Section 232. Before July 24, postal shipments were subject only to the Section 122 surcharge. As of July 24, normal duties (MFN, Section 232, Section 301, etc.) apply to postal shipments for the first time — they've already applied to commercial shipments. The Section 122 surcharge itself expired for all postal shipments regardless of origin, but for most countries (the 60 economies covered by the new Section 301 forced-labor tariff, 10% or 12.5% depending on country of origin), that tariff has effectively replaced it.

Before July 24, 2026, U.S.-bound postal shipments were only subject to Section 122 tariff rates—they had a temporary advantage where other normal duties (MFN, Section 301, Section 232, etc.) did not apply. As of July 24, 2026, that advantage went away, and Section 122 tariffs expired. Postal shipments are now subject to normal duties (MFN, Section 301, Section 232, etc.) for the first time. In addition, a new Section 301 forced-labor tariff (10% or 12.5% by country of origin; some origins are capped net of the MFN rate — see the U.S. tariff tracker) now applies to postal shipments, with a clean cutover from the expired Section 122 tariff rate to the new Section 301 rate.

For postal shipments into the U.S., free trade agreements are not applied during duty calculation, even though every item is assigned an HS code in the app.

Here's why: U.S. Customs does not currently require HS codes for postal shipments. Because HS codes aren't required, the operational infrastructure for postal clearance isn't set up to process FTA claims. Claiming an FTA benefit requires verified classification, certificates of origin, and a formal entry process that postal shipments don't go through. Without this operational infrastructure, FTAs cannot apply to postal shipments in practice.

Currently the only exemptions that can be applied to postal shipments (without additional infrastructure) are for "informational material". Zonos assigns an HS code to determine whether your item qualifies for this exemption, then calculates the duty if not.

This reflects how U.S. Customs currently processes postal shipments, not a limitation of the Zonos calculation.

Yes, you still need to use the Zonos app even when the duty is $0. A $0 duty amount still produces the Declaration ID required for customs clearance.

The only exception is gifts under $100 USD. Gifts under $100 USD should be sent through your existing Japan Post applications as you normally would.

Yes. When using the Zonos app, enter the contents for each box one at a time. If your shipment has 3 boxes, you'll need to enter the contents for box 1, pay for its duties, and get its Declaration ID before repeating the process for boxes 2 and 3.

According to CBP, U.S. returns are not duty-free. If you are returning a package to the U.S., you must pay duties using the Zonos app and obtain a new Japan Post label before shipping.

A Declaration ID may not work if it has expired (IDs expire after 5 days if not linked to a tracking number), was already used, or was canceled. You won't be charged duties or fees for expired or canceled Declaration IDs. Use the Zonos app to create a new one.

Mail being sent to U.S. territories is first sent to the United States to be cleared by CBP and then is shipped from the U.S. to the territories. Since these shipments enter the U.S. domestic mail stream, CBP assesses duty on these shipments.

The web version of the Zonos app is now live, so a mobile device isn't required. Visit dashboard.zonosprepay.com from any browser to pay duties and get your Declaration ID.

For issues with the Zonos app, our team is here to help. You can reach out to us at support@zonos.com.

For inquiries or issues not related to the Zonos app, contact Japan Post Support:

• Toll-free (within Japan): 0120-5931-55
• From mobile phones: 0570-046-666 (charges apply)