PSPDFKit for Web and PSPDFKit Server can be activated with a production or development key.
When running PSPDFKit Server as part of your development environment, QA, or staging deployment, you must use a development key as opposed to a production key.
A development key does not restrict the allowed
Origin, which allows you to test and develop conveniently.
You can get the development key from the PSPDFKit Customer Portal: