Credentialed Transactions Developer Guide {#credentials}
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26.08.01
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Subsequent Transactions
:
![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added an important note about the merchantInitiatedTransaction. previousTransactionId field. See [Transaction-Specific Fields](https://developer.cybersource.com/docs/cybs/en-us/credentials/developer/ctv/rest/credentials/credentials-intro/credentials-matrix.md "").

Strong Customer Authentication for CITs
:
![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added an important note. See [Customer-Initiated Transactions with Credentials on File](https://developer.cybersource.com/docs/cybs/en-us/credentials/developer/ctv/rest/credentials/credentials-cit-intro.md "").

Mastercard Standing Order Payment
:
![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added these MIT transactions:

    * [Merchant-Initiated Mastercard Standing Order Payment with PAN](https://developer.cybersource.com/docs/cybs/en-us/credentials/developer/ctv/rest/credentials/credentials-mit-stand-order-intro/credentials-mc-standorder-mit-pan-intro.md "")
    * [Merchant-Initiated Mastercard Standing Order Payment with TMS](https://developer.cybersource.com/docs/cybs/en-us/credentials/developer/ctv/rest/credentials/credentials-mit-stand-order-intro/credentials-mc-standorder-mit-tms-intro.md "").

Mastercard Subscription Payments
:
![](/content/dam/documentation/cybs/en-us/topics/reference/notes/doc-relnotes/images/new-15x75.svg/jcr:content/renditions/original) Added these MIT transactions:

    * [Merchant-Initiated Mastercard Subscription Payment with PAN](https://developer.cybersource.com/docs/cybs/en-us/credentials/developer/ctv/rest/credentials/credentials-mc-subscription-intro/credentials-mc-subscription-mit-pan-intro.md "")
    * [Merchant-Initiated Mastercard Subscription Payment with TMS](https://developer.cybersource.com/docs/cybs/en-us/credentials/developer/ctv/rest/credentials/credentials-mc-subscription-intro/credentials-mc-subscription-mit-tms-intro.md "").