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POST
Add a highlight to a clip

Authorizations

Authorization
string
header
required

API key obtained from your Tella account settings

Path Parameters

id
string
required

Video identifier

Example:

"vid_abc123def456"

clipId
string
required

Clip identifier

Example:

"cl_xyz789ghi012"

Body

application/json

Add a blur or highlight mask. Targets the footage in the clip's Screen slot at startTimeMs: the screen recording, or b-roll media a layout puts there. Times are in ms on the clip's playback timeline (cuts applied).

dimensions
object
required

Size of the masked rectangle (percentages)

durationMs
integer
required
Required range: 0 < x <= 9007199254740991
Example:

2000

point
object
required

Top-left corner of the masked rectangle (percentages)

startTimeMs
integer
required

Start time in ms on the clip's playback timeline (cuts applied)

Required range: 0 <= x <= 9007199254740991
Example:

1000

intensity
number

Strength from 0 to 1. Blur: 0 is the standard blur and 1 blurs three times as heavily; the content stays fully hidden at every value (defaults to 0). Highlight: how dark the area outside the highlight goes, 0 = no dimming, 1 = black (defaults to 0.7).

Required range: 0 <= x <= 1
Example:

0.7

Response

OK

A mask on a clip

mask
object
required

A blur or highlight mask on a clip. Times are in ms on the clip's playback timeline (cuts applied). Internally the mask stays anchored to the footage, so it doesn't drift when cuts change later.

Last modified on October 6, 2026