Payment Processors {#cc-payments-processing-requirements}
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Payment processors connect with acquirers. Before you can accept payments, you must register with a payment processor. An acquirer might require you to use a payment processor with an existing relationship with the acquirer.  
Your payment processor assigns one or more merchant IDs (MIDs) to your business. These unique codes identify your business during payment transactions.  
This table lists the processors and corresponding card types that are supported for payment services. IMPORTANT Only the card types explicitly listed here are supported.

| Payment Processor | Supported Card Types |                                                                                                                                                                                                                                                Notes                                                                                                                                                                                                                                                 |
|-------------------|----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `OmniPay Direct`  |                      | Supported acquirers: Bank of America Merchant Services : Visa, Mastercard, Maestro (UK Domestic), Maestro (International) Cardnet International : Visa, Mastercard, Discover, Diners Club, Maestro (UK Domestic), Maestro (International), Visa Electron First Data Merchant Solutions (Europe) : Visa, Mastercard, Discover, Diners Club, Maestro (UK Domestic), Maestro (International) Global Payments International Acquiring : Visa, Mastercard, Maestro (UK Domestic), Maestro (International) |
[Payment Processors and Supported Card Types]