On April 12, 2025, Mastercard’s Flex Program, together with new product codes and interchange rates will be put into effect. This is a global commercial credit program that will help businesses expedite business-to-business (B2B) payments with convenience and security through Virtual Card Number (VCN) technology. The program rate is 0.113% per settled transaction and is effective starting April 14, 2025. Interchange rates will also apply under this new program, shown in Table 4.
To qualify for this program, transactions must meet the following criteria:
- Transaction should originate from one of the listed product codes in Table 1
- The merchant must be in one of the supported countries in Table 2
- Cross-border transactions will be permitted between these countries
- Domestic transactions will also be allowed in these countries except for Poland and Switzerland
- All transactions outside these permitted countries will be blocked. Please refer to the decline reason codes in Table 5
- Mastercard has also introduced transaction thresholds for certain countries. Transactions on card issued from these countries will be declined (Table 5 for decline reason codes) for amounts lower than the threshold in Table 3
- Transaction thresholds also apply for certain countries. Transactions on card(s) issued from these countries will be declined (decline reason codes shown in Table 5) for amounts lower than the threshold in Table 3)
Table 1 – Mastercard Commercial B2B Interchange Program Product Codes
Product Codes
|
WAA, WAB, WAC, WAD, WAE,WAF, WAG, WAH, WAI, WAJ, WAK, WAL, WAM, WAN, WAO, WAP,WAQ, WAT, WAU, WAV, WAW, WAX, WAY, WAZ, WBA, WBB, WBC, WBD, WBF, WBG, WBH, WBI, WBJ, WBK, WBL
|
Table 2 – Mastercard Flex Program Supported Countries
Region
|
Countries
|
Asia Pacific |
Hong Kong SAR, Indonesia, Japan, New Zealand, Philippines, Singapore, Thailand, and Vietnam |
Europe |
Aland Islands, Andorra, Antartica, Ascension and Tristan Da Cunha, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denamrk, Estonia, Falkland Islands (Malvinas), Faroe Islands, Finland, France, French Guiana, Germany, Gibraltar, Greece, Greenland, Guadeloupe, Guernsey, Hungary, Iceland, Ireland, Isle of Man, Italy, Jersey, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Martinique, Mayotte, Monaco, Netherlands, Norway, Poland, Portugal, Reunion, Romania, Saint Barthelemy, Saint Martin (French), San Marino, Slovakia, Slovenia, Spain, St. Helena, Svalbard and Jan Mayen, Sweden, Switzerland, United Kingdom, and Vatican City |
Latin America and the Caribbean |
Brazil, Colombia, Jamaica, Panama, Puerto Rico, Trinidad and Tobago, and U.S. Virgin Islands |
Middle East and Africa |
Bahrain, Egypt, Ghana, Kuwait, Oman, Qatar, Saudi Arabia, and United Arab Emirates
|
North America |
Canada and USA |
Table 3 – Mastercard Flex Program Country Transaction Threshold
Card Issuer Country
|
Threshold
|
Colombia, Jamaica, Japan, New Zealand, Panama, Puerto Rico, Trinidad & Tobago, and U.S. Virgin Islands |
10,000 USD |
Hong Kong SAR, Philippines, Singapore, Thailand, and Vietnam |
6,000 USD |
Indonesia |
3,000 USD |
Brazil |
55,000 BRL |
Table 4 – Mastercard Flex Program Interchange Rates1
Fee Name
|
Product Code
|
Rate
|
MC B2B Flex Product 1 - WAA |
WAA |
0.50% |
MC B2B Flex Product 2 - WAB |
WAB |
0.55%
|
MC B2B Flex Product 3 - WAC |
WAC |
0.60% |
MC B2B Flex Product 4 - WAD |
WAD |
0.65%
|
MC B2B Flex Product 5 - WAE |
WAE |
0.70%
|
MC B2B Flex Product 6 - WAF |
WAF |
0.75%
|
MC B2B Flex Product 7 - WAG |
WAG |
0.80% |
MC B2B Flex Product 8 - WAH |
WAH |
0.85%
|
MC B2B Flex Product 9 - WAI |
WAI |
0.90% |
MC B2B Flex Product 10 - WAJ |
WAJ |
0.95% |
MC B2B Flex Product 11 - WAK |
WAK |
1.00% |
MC B2B Flex Product 12 - WAL |
WAL |
1.05%
|
MC B2B Flex Product 13 - WAM |
WAM |
1.10%
|
MC B2B Flex Product 14 - WAN |
WAN |
1.15%
|
MC B2B Flex Product 15 - WAO |
WAO |
1.20%
|
MC B2B Flex Product16 - WAP |
WAP |
1.25%
|
MC B2B Flex Product17 - WAQ |
WAQ |
1.30%
|
MC B2B Flex Product18 - WAT |
WAT |
1.35%
|
MC B2B Flex Product19 - WAU |
WAU |
1.40% |
MC B2B Flex Product20 - WAV |
WAV |
1.45%
|
MC B2B Flex Product21 - WAW |
WAW |
1.50%
|
MC B2B Flex Product22 - WAX |
WAX |
1.55%
|
MC B2B Flex Product23 - WAY |
WAY |
1.60% |
Table 5 – Mastercard Flex Program Decline Reason Codes
Description
|
Decline Reason Codes
|
Invalid Amount |
13
|
Transaction not permitted to issuer/cardholder |
57
|
Please visit our Developer Center for the complete Authorization Retry Strategy specification required on specific mapping of decline reason codes.
1. Interchange rates for these product codes will be announced at a later date: WAZ, WBA, WBB, WBC, WBD, WBF, WBG, WBH, WBI, WBJ, WBK and WBL.
Published January 10, 2025 | P2024.1492, P2024.1496