REST API for Buddy (Core One version) available
 
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REST API for Buddy (Core One version) available  

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doa
 doa
(@doa)
Estimable Member
REST API for Buddy (Core One version) available

Hi there,

i'm running Core One with USB camera locally without internet connection (is on wifi). Same applies to the printer. Is there any way to manage the camera without Prusa Connect app? Local RTSP stream works fine.

For example pull snapshots from the camera via wifi, setting the resolution, and so on. Is there any public REST API available for the camera?

 

thanks

Veröffentlicht : 08/02/2026 7:55 am
_KaszpiR_
(@_kaszpir_)
Noble Member
RE: REST API for Buddy (Core One version) available

Not really. The firmwarec calls to the PrusaConnect API and gets some commands back. The addresses are baked into the printer firmware.

Not sure about certificates but it might be possible to do MITM injection, but probably would require some tweaking.

See my GitHub and printables.com for some 3d stuff that you may like.

Veröffentlicht : 08/02/2026 9:19 am
doa
 doa
(@doa)
Estimable Member
Themenstarter answered:
RE: REST API for Buddy (Core One version) available

i know how it currently is. I have a packet capture saved, there is only TLS traffic to Prusa Cloud and nothing else. But since the camera has plain RTSP, there might be something more 😀  hence my question

if I don't find other way, capturing a snapshot from RTSP stream is the alternative way to go. Maybe there is someone else who knows more

Veröffentlicht : 08/02/2026 10:00 am
_KaszpiR_
(@_kaszpir_)
Noble Member
RE:

you can save a frame or fragment of the stream with ffmpeg 

ffmpeg -y -i rtsp://192.168.1.75/live -y -vframes 1 -q:v 1 -f image2 -update 1 out.jpg

where 192.168.1.75 is an ip of the Buddy3d camera streaming via rtsp

 

or video, assuming it's 25fps, then '-vframes 750' is 30s

ffmpeg -y -i rtsp://192.168.1.75/live -y -vframes 750 -q:v 1 -update 1 -f mp4 out.mp4

See my GitHub and printables.com for some 3d stuff that you may like.

Veröffentlicht : 08/02/2026 12:49 pm
doa
 doa
(@doa)
Estimable Member
Themenstarter answered:
RE: REST API for Buddy (Core One version) available

yes thanks, that's what i meant with "capturing a snapshot from RTSP stream is the alternative way to go" 🙂

what i'm asking for is a specific endpoint like regular cameras have. E.g. /snapshot.cgi 

 

but i think here is something usable: https://github.com/nvtkaszpir/3d-print/tree/main/prusa-buddy3d-camera

Veröffentlicht : 08/02/2026 1:32 pm
_KaszpiR_
(@_kaszpir_)
Noble Member
RE: REST API for Buddy (Core One version) available

I haven't poked in the binary, not sure if this kind of endpoint is exposed at all, when you look at the open ports then only rtsp is listening. i need to check the newer binaries with webrtc support, though.

See my GitHub and printables.com for some 3d stuff that you may like.

Veröffentlicht : 08/02/2026 1:44 pm
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