Signature Generators

SFS offers visualized tools for you to easily generate signatures.

**Table 1** Signature generators
Calculation Method	How to Obtain
Authenticating the signature in a header	Visit Generate Header.

During an SFS API call, if the following error is reported,

Status code: 403 Forbidden

Error code: SignatureDoesNotMatch

Error message: The request signature we calculated does not match the signature you provided. Check your key and signing method.

Contact technical support.

Parent topic: Authentication

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