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Answer
Yes,
Panasonici-PRO provides SDKs for recorders.
That technical information is available from the following URL.
https://bizpartner.panasonic.net/public/resource-finder/file?field_product_category_tid%5B0%5D=2025&category=2025&sort_by=title&sort_order=ASC&combine_keyword=key_develop_sdki-pro.com/products_and_solutions/en/surveillance/learning-and-support/device-integration/camera-integration-ps-api