Payment Methods

SI USA (Legal name: SI USA INC)

SI USA is an online business focused on quality products and reliable service.
sunspart.com is owned and operated by SI USA INC, a registered U.S.-based company serving customers across the United States. We specialize in supplying science, laboratory, and specimen collection products for educational, research, testing, and general laboratory use.

At SunSpart.com, we provide secure and reliable online payment options to ensure a safe shopping experience for our customers in the United States.

Accepted Payment Methods

We accept the following payment options at checkout:

  • Visa

  • Mastercard

  • American Express (Amex)

  • Discover

  • Credit Cards

  • Debit Cards

  • Google Pay (GPay)

Apple Pay

Customers using compatible Apple devices may have the option to pay with Apple Pay at product page, checkout. The Apple Pay button may automatically appear on supported iPhone, iPad, or Mac devices when available.

Availability depends on your device settings, browser compatibility, and whether Apple Pay is properly set up on your device.

All available payment methods will be displayed at product page, checkout based on your device and eligibility.

Secure Payment Processing

All payments on SunSpart.com are securely processed through Stripe, a trusted global payment processor.

  • We do not store full credit card numbers on our servers.

  • Payment transactions are encrypted using industry-standard SSL security.

  • Customer payment information is handled securely in compliance with applicable payment processing standards.

Currency

All transactions are processed in United States Dollars (USD) unless otherwise stated at checkout.

If your bank operates in another currency, your bank may apply standard currency conversion fees.

Payment Authorization

Your payment method will be charged at the time of order placement.
If a transaction is declined, please verify your card details or contact your bank for further assistance.

Payment Issues

If you experience any issues while completing your purchase:

  • Confirm that your billing details match your bank records

  • Ensure your card has sufficient funds or available credit

  • Try an alternative payment method if available

For further assistance, please contact our customer support team.

Need Assistance?

If you have any questions regarding shipping, delivery, or order status, please contact our customer support team:

Customer Support Hours (Pacific Standard Time – PST)
Monday – Friday: 10:00 AM – 6:00 PM (PST)
Saturday: Limited support via email
Sunday & U.S. Public Holidays: Closed

Business Information

Company Name: SI USA INC
Website: sunspart.com
Email: info@sunspart.com
Phone: +1 (347) 725-7508
Business Address:
16461 109TH AVE,
JAMAICA, NY 11433
United States