I don't think there is. The closest thing you have is the graph API (https://docs.observium.org/graph_api/). You could add a new API based on this one that returns the raw data for the graph instead.

________________________________ From: observium observium-bounces@observium.org on behalf of Farshid Abediny via observium observium@observium.org Sent: Saturday, January 11, 2020 2:40:35 AM To: Observium Network Observation System Cc: Farshid Abediny Subject: [Observium] read RRD by API

Hello, Is there any way to read RRD file and extract data about total bytes from graphs? Thank you.