ADD_TEXT_STYLE API Documentation

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Interface Information

POST /openapi/capcut-mate/v1/add_text_style

Function Description

Create rich text styles for text, supporting keyword highlighting, color settings, font size adjustments, and other functions. This interface can convert plain text into rich text format containing style information, achieving keyword highlighting and diverse text display effects.

Request Parameters

{
  "text": "五个快乐到死的顶级思维",
  "keyword": "快乐|顶级思维",
  "font_size": 12,
  "keyword_color": "#ff7100",
  "keyword_font_size": 15
}

Parameter Description

Parameter	Type	Required	Default	Description
text	string	✅	-	Text content to process
keyword	string	✅	-	Keywords, multiple separated by |
font_size	integer	❌	12	Font size of plain text
keyword_color	string	❌	"#ff7100"	Keyword text color (hexadecimal)
keyword_font_size	integer	❌	15	Keyword font size

Parameter Details

Text Parameters

• text: Original text content to be processed for styling
  • Example: "五个快乐到死的顶级思维"

Keyword Parameters

• keyword: Keywords to be highlighted, support multiple keywords separated by vertical bar (|)
  • Example: "快乐|顶级思维"
  • Note: System matches keywords by length priority to avoid short keywords overriding long keywords

Font Size Parameters

• font_size: Font size of plain text (non-keywords)

  • Default: 12
  • Recommended range: 8-72

• keyword_font_size: Font size of keywords

  • Default: 15
  • Recommended range: 8-72

Color Parameters

• keyword_color: Text color of keywords, using hexadecimal format
  • Default: "#ff7100" (orange)
  • Format: #RRGGBB
  • Examples: "#ff0000" (red), "#00ff00" (green), "#0000ff" (blue)

Response Format

Success Response (200)

{
  "code": 0,
  "message": "success",
  "text_style": "{\"styles\":[{\"fill\":{\"content\":{\"solid\":{\"color\":[1,1,1]}}},\"range\":[0,2],\"size\":12,\"font\":{\"id\":\"\",\"path\":\"D:\"}},{\"fill\":{\"content\":{\"solid\":{\"color\":[1,0.44313725490196076,0]}}},\"range\":[2,4],\"size\":15,\"font\":{\"id\":\"\",\"path\":\"D:\"},\"useLetterColor\":true},{\"fill\":{\"content\":{\"solid\":{\"color\":[1,1,1]}}},\"range\":[4,7],\"size\":12,\"font\":{\"id\":\"\",\"path\":\"D:\"}},{\"fill\":{\"content\":{\"solid\":{\"color\":[1,0.44313725490196076,0]}}},\"range\":[7,11],\"size\":15,\"font\":{\"id\":\"\",\"path\":\"D:\"},\"useLetterColor\":true}],\"text\":\"五个快乐到死的顶级思维\"}"
}

Response Field Description

Field	Type	Description
text_style	string	Text style JSON string, containing styles array and text field

Error Response

{
  "code": 2026,
  "message": "Invalid text style information, please check text or keyword parameters"
}

Usage Examples

cURL Examples

1. Basic Text Style Creation

curl -X POST https://capcut-mate.jcaigc.cn/openapi/capcut-mate/v1/add_text_style \
  -H "Content-Type: application/json" \
  -d '{
    "text": "五个快乐到死的顶级思维",
    "keyword": "快乐|顶级思维"
  }'

2. Custom Font Sizes

curl -X POST https://capcut-mate.jcaigc.cn/openapi/capcut-mate/v1/add_text_style \
  -H "Content-Type: application/json" \
  -d '{
    "text": "五个快乐到死的顶级思维",
    "keyword": "快乐|顶级思维",
    "font_size": 14,
    "keyword_font_size": 18
  }'

3. Custom Keyword Color

curl -X POST https://capcut-mate.jcaigc.cn/openapi/capcut-mate/v1/add_text_style \
  -H "Content-Type: application/json" \
  -d '{
    "text": "五个快乐到死的顶级思维",
    "keyword": "快乐|顶级思维",
    "keyword_color": "#ff0000"
  }'

Error Code Description

Error Code	Error Message	Description	Solution
2026	Invalid text style information	Text or keyword parameter format error or invalid value	Check if text and keyword parameters meet requirements
2027	Text style creation failed	Error occurred during text style creation	Contact technical support

Notes

1. Keyword Matching: Keywords are matched by length priority, longer keywords take precedence over shorter ones
2. Color Format: Use standard hexadecimal color format #RRGGBB
3. Font Size: Recommended within 8-72 range
4. Keyword Separation: Multiple keywords separated by vertical bar |
5. Case Sensitivity: Keyword matching is case-sensitive

Workflow

1. Validate required parameters (text, keyword)
2. Parse keyword string
3. Find keyword positions in text
4. Convert color values to RGB format
5. Generate text style array
6. Build response object
7. Return text style information

Related Interfaces

• Add Captions
• Create Draft
• Save Draft
• Generate Video

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📚 Project Resources
GitHub: https://github.com/Hommy-master/capcut-mate
Gitee: https://gitee.com/taohongmin-gitee/capcut-mate