Frequently Asked Questions

Frequently Asked Questions

Online Marketplace Trinidad and Tobago

On Mark TT  is an ecommerce platform that provides a safe and convenient space for buying and selling items online.

Ecommerce describes the ability to conduct transactions online and a platform offers the online location to do so.

The benefits include easy payment options, safe and secure payment processing, convenient shopping at your fingertips 24/7 and reliable door to door delivery anywhere in Trinidad and Tobago.

To begin selling on On Mark TT, register and create a vendor account by clicking on ‘Become a Seller’ on the top right corner of website or by using the link below:

  • Register by providing the required info: name, shop/business name, contact number and email address
  • Choose a subscription plan and pay using credit card, visa debit or bank transfer
  • Complete seller account by verifying preferred pick-up address(home, office or business), bank account information (for payments) and ID/business registration
  • Upload product pictures with brief description (size, color)
  • Receive email notification when item is sold
  • Print delivery label and prepare item for pick up by courier
  • Once delivery is completed, request a withdrawal of payment (withdrawal fee : $5TT)

NB: A printer/access to a printer is required!

A seller can choose one of the following monthly subscription plans:

  1. TT$9.99 – Starter plan:
    • 10% commission fee (on each sale)
  2. TT$99 – Basic plan:
    • 5% commissions
  3. TT$199 – Standard plan:
    • ZERO commissions

Prohibited items include:

  • Perishable/food items
  • Bulky and heavy items (>70lbs or >8FT)
  • Items exceeding the value of TT$10,000
  • Illegal items or items that endanger human or animal life

Monthly and Annual subscription plans allow for an unlimited number of items that can be listed for sale.

To list items, sign into your vendor account, click on the products tab and select ‘add new product’.

Ensure that product images are clean are clear (white backgrounds are preferred). No text, watermarks, business logos, whatsapp numbers, social media handles or websites links allowed on images

Enter prices, a brief product description (size, color, etc) and product category

Ensure stock numbers are entered accurately and updated accordingly

On Mark TT offers affordable advertising packages to sellers on the platform as well as service providers. These can be easily purchased directly from the website and include artwork creation, social media posts and ad campaigns as well as featured website spots.


When a customer purchases an item, the seller receives notification via email. Once the item is packaged and the printed label is attached, the courier receives notification to pick-up and will contact the seller to make arrangements to collect and deliver the item.

Packages should be processed within 2 business days to prevent cancellation of orders and subsequent deactivation of the seller’s account as per our Three Strike Policy.

Items are delivered anywhere in Trinidad and Tobago.

Regional and international shipping are not offered at this time.

There are no delivery costs to the seller as delivery fees are borne by the shopper.


Payments for items sold are credited to your vendor account. Withdrawal of these funds can be requested at any time. Approvals are done on Mondays for requests placed by the previous Friday. Payments are then processed within 5 business days.


Shoppers can shop without signing up. However, signing up will receive exclusive discounts, sales and delivery specials.

To shop on On Mark TT,  just need to do the following:

  • Visit the website using the app or a browser
  • Browse all products / Search for products
  • Add item/s to cart
  • Shipping is calculated
  • Choose a payment method
  • Confirm and checkout
  • Receive delivery by courier within 3-5 business days

Customer service can be contacted while on the website using the chat/messenger option on the bottom left of the window or through our social media pages or via email at

Shoppers can pay using:

  • Online with Credit Card or Visa Debit Card
  • At the point of delivery with Linx or Cash on Delivery (COD)
  • With bank transfer

Yes, online payment is safe and secure. Payments are processed via WiPay, a registered payment service provider, therefore shoppers Credit Card information is not collected, stored or processed on the website.

Transaction fees are as follows; credit card – $4.00TT and 4% and cod – 4%.

Bank transfer fees vary by bank.

Items are picked up from the Sellers and delivered to the Shoppers by our partner courier company within 3 to 5 business days

There is no need to contact the courier.

Printed labels indicate that the package has been processed and automatically generate a request alert to the courier company for a pick up at the address linked to the seller account.

Packages should be processed within 3 business days to prevent cancellation of orders and subsequent deactivation of the seller’s account.

The courier should contact the seller to arrange pick up within 48 hours, however sellers are asked to contact On Mark TT in the event of a delay.


  • Visit the Seller Dashboard and go to the Order Page.
  • Click on the relevant order and click the ‘Request UPSL Pickup’ button
  • When the page refreshes, click on the ‘Print label’ option

The courier does not supply packaging at this time.

Items can be shipped in bags, envelopes, polymailers or boxes.

The Seller is responsible for securely packaging items with necessary padding (to prevent damage or spillage) prior to pickup and ensuring that packages are ready for shipping.

Delivery fees start at TT$30 (anywhere in Trinidad).

Delivery costs TT$60 (anywhere in Tobago)

Delivery is Free for online orders over TT$500

All orders (except digital products) are delivered by our trusted and reliable partner courier company with the ability to track packages nationwide.

Any unapproved deviation from this delivery process or attempts to conduct delivery outside of the approved courier is prohibited and penalized by deactivation of the seller’s account.

Delivery is usually fulfilled within 3 to 5 business days.

Best efforts would be made to make a second delivery. If the second delivery attempt is missed, the shopper will be required to contact UPSL to make arrangements to collect the package.

UPSL Contact: (868) 627-4877 / 627-4(UPS) or Email:

Further information on UPSL can be found on their website

We’re committed to your satisfaction on every purchase. If there is an issue with a purchase, contact us at within 14 days of the delivery date to facilitate returns or refunds on valid claims.