Basic Steps: Authorizing a Mastercard Payment on Paze with `Cybersource` Decryption {#paze-txns-auth-cybs-mc-steps}
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1. Follow these steps to request a Paze payment authorization with `Cybersource` decryption for Mastercard:

2. Create the request message with the required `REST` API fields.

   #### ADDITIONAL INFORMATION

   * Use the API fields listed in [Required Fields for Authorizing a Mastercard Payment on Paze with Cybersource Decryption](/docs/cybs/en-us/paze/integration/all/rest/paze/paze-txns-auth-cybs/paze-txns-auth-cybs-mc/paze-txns-auth-cybs-mc-reqfields.md "").
   * Refer to the example in [REST Example: Authorize a Mastercard Payment on Paze with Cybersource Decryption](/docs/cybs/en-us/paze/integration/all/rest/paze/paze-txns-auth-cybs/paze-txns-auth-cybs-mc/paze-txns-auth-cybs-mc-code.md "").
3. Send the message to one of these endpoints:

   #### ADDITIONAL INFORMATION

   * Production: `POST ``https://api.cybersource.com``/pts/v2/payments`
   * Test: `POST ``https://apitest.cybersource.com``/pts/v2/payments`
4. Verify the response messages to make sure that the request was successful.

   #### ADDITIONAL INFORMATION

A 200-level HTTP response code indicates success. See the [Transaction Response Codes](https://developer.cybersource.com/api/reference/response-codes.md "").