Support - Contacting Client Services
Information on how to contact and obtain support from Client Services.
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11/12/2025 20:12 PM
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Introduction
The methods available can depend on the client’s specific agreement. This article outlines the different ways to reach Client Services, including online chat, support case submission, and phone contact, as well as how to access account-specific support resources.
Procedure
Clients can contact Client Services using the following methods:
Start an Online Chat
Sign in to the Support Center. From the bottom right of the screen, select the Start Chat icon to begin an online chat session.
Submit a Support Case
Sign in to the Support Center. From the menu bar, select Support Cases and choose either General Support Request or MID Configuration Request.
Contact Client Services via Phone
Clients can reach Client Services by phone using the numbers listed in the table below. Availability may vary by region.
| Region or Country | Phone Number |
|---|---|
| USA & Canada | 1-800-709-7779 |
| Latin America & Caribbean (LAC) | +1-877-580-1131 |
| Central Europe, Middle East, Africa (CEMEA) | +44 (0) 203 564 4099 |
| Asia Pacific (AP) | +65 6818 5380 |
| Australia | +61 (2) 9253 8990 |
| China | +86 400-881-0152 |
| Hong Kong | +852 301-74-283 |
| India | +91 000-800-100-1572 |
| Indonesia | +62 1-803-1-002-7911 |
| Japan | +81 81-3-6362-8092 |
| Korea | +82 234-798-404 |
| New Zealand | +64 0800-444-914 |
| Singapore | +65 65-6818-5379 |
| Taiwan | +886 886-2-2547-0594 |
| Thailand | +66 1800-11-002-7960 |
| Vietnam (Viettel) | +84 1228-0259 |
| Vietnam (Mobifone) | +84 1210-20148 |
| Vietnam (VNPT) | +84 12032334 |
| Visa Acceptance Solutions North America | 855-477-5028 |
| Visa Acceptance Solutions Global | +1 650-432-2186 |
View Account-Specific Support Resources
Sign in to the Support Center. Enter your merchant ID (Organization ID) and user credentials. From the right of the menu bar, select Contact Us to view contact information specific to your account.
If you are unable to sign in, refer to the support article for guidance on resolving sign-in issues.
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