OnDMARC has a RESTful JSON API that can be used to integrate with your custom dashboards and other internal systems.

The API is Swagger compatible, and it is possible to use a wide range of programming languages with the API.
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Documentation on our API is available here - https://app.swaggerhub.com/apis/ondmarc/ondmarc. We are constantly expanding our APIs to include more functionality, so do check back for more recent versions.
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To generate an API key, view the article here