Interface Parameter Usage Principle

When using the RESTful interfaces provided by the CC-FS, the third-party business side must follow the usage principles described in Table 1.

**Table 1** Interface parameter usage principle
Type	Description
Mandatory	Mandatory parameters must be contained in interface invoking requests sent from the business side to the CC-FS in any case.
Optional	Whether to use optional parameters can be determined based on business requirements.

Parent topic: Overview

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