Video Captioner

With Video Captioner create accurate, customizable subtitles for your videos effortlessly.

~69.38s
~$0.038
PlaygroundAPI
Pricing
 1import requests
 2import json
 3
 4url = "https://api.segmind.com/v1/video-captioner"
 5headers = {
 6    "x-api-key": "YOUR_API_KEY",
 7    "Content-Type": "application/json"
 8}
 9
10data = {
11    "MaxChars": 10,
12    "bg_blur": false,
13    "bg_color": "null",
14    "color": "white",
15    "font": "Poppins/Poppins-ExtraBold.ttf",
16    "fontsize": 7,
17    "highlight_color": "yellow",
18    "input_video": "https://segmind-sd-models.s3.amazonaws.com/display_images/hallo_output.mp4",
19    "kerning": -2,
20    "opacity": 0,
21    "right_to_left": false,
22    "stroke_color": "black",
23    "stroke_width": 2,
24    "subs_position": "bottom75"
25}
26
27response = requests.post(url, headers=headers, json=data)
28
29if response.status_code == 200:
30    result = response.json()
31    print(json.dumps(result, indent=2))
32else:
33    print(f"Error: {response.status_code}")
34    print(response.text)

API Endpoint

POSThttps://api.segmind.com/v1/video-captioner

Parameters

input_videorequired
string (uri)

URL of the input video to be captioned

Default: "https://segmind-sd-models.s3.amazonaws.com/display_images/hallo_output.mp4"
bg_bluroptional
boolean

Blur the background colour of the subtitle

Default: false
bg_coloroptional
string

Background color of the subtitles

Default: "null"
Allowed values :
"black""white""grey""red""yellow""blue""green""null"
coloroptional
string

Color of the subtitles

Default: "white"
Allowed values :
"black""white""grey""red""yellow""blue""green"
fontoptional
string

Font for the subtitles

Default: "Poppins/Poppins-ExtraBold.ttf"
Allowed values (11 total):
"Poppins/Poppins-Bold.ttf""Poppins/Poppins-BoldItalic.ttf""Poppins/Poppins-ExtraBold.ttf""Poppins/Poppins-ExtraBoldItalic.ttf""Poppins/Poppins-Black.ttf""Poppins/Poppins-BlackItalic.ttf""Atkinson_Hyperlegible/AtkinsonHyperlegible-Bold.ttf""Atkinson_Hyperlegible/AtkinsonHyperlegible-BoldItalic.ttf""M_PLUS_Rounded_1c/MPLUSRounded1c-ExtraBold.ttf""Arial/Arial_Bold.ttf"+1 more
fontsizeoptional
number

Font size. 7.0 is good for videos, 4.0 is good for reels

Default: 7
highlight_coloroptional
string

Highlight color for subtitles

Default: "yellow"
Allowed values :
"black""white""grey""red""yellow""blue""green"
kerningoptional
number

Kerning (spacing between individual letters or characters) for the subtitles

Default: -2
MaxCharsoptional
integer

Max characters space for subtitles. 20 is good for videos, 10 is good for reels

Default: 10
opacityoptional
number

Opacity for the subtitles background

Default: 0
right_to_leftoptional
boolean

Right to left subtitles, for right to left languages. Only Arial fonts are supported.

Default: false
stroke_coloroptional
string

Stroke color for the subtitles

Default: "black"
Allowed values :
"black""white""grey""red""yellow""blue""green"
stroke_widthoptional
number

Stroke width for the subtitles

Default: 2
subs_positionoptional
string

Position of the subtitles

Default: "bottom75"
Allowed values :
"bottom75""center""top""bottom""left""right"

Response Type

Returns: Video

Common Error Codes

The API returns standard HTTP status codes. Detailed error messages are provided in the response body.

400

Bad Request

Invalid parameters or request format

401

Unauthorized

Missing or invalid API key

403

Forbidden

Insufficient permissions

404

Not Found

Model or endpoint not found

406

Insufficient Credits

Not enough credits to process request

429

Rate Limited

Too many requests

500

Server Error

Internal server error

502

Bad Gateway

Service temporarily unavailable

504

Timeout

Request timed out