Case
The /case endpoint converts text between 9 case formats using universal tokenization (camelCase splitting, _, -, ., spaces).
GET/v6/case
Parameters
| Parameter | Required | Default | Description |
|---|---|---|---|
text | Yes | — | Text to convert |
to | No | camel | Target case format |
Available Targets
| Target | Description | Example (hello_world) |
|---|---|---|
camel | camelCase | helloWorld |
pascal | PascalCase | HelloWorld |
snake | snake_case | hello_world |
kebab | kebab-case | hello-world |
constant | CONSTANT_CASE | HELLO_WORLD |
title | Title Case | Hello World |
sentence | Sentence case | Hello world |
upper | UPPERCASE | HELLO_WORLD |
lower | lowercase | hello_world |
Response Fields
| Field | Type | Description |
|---|---|---|
text | string | The original input text |
to | string | The target case format |
result | string | The converted text |
Code Examples
curl -X GET \
"https://api.sylvain.sh/v6/case?text=hello_world&to=pascal"Try It
Error Handling
If parameters are missing or invalid, the API will return an error:
| Error Message | Description |
|---|---|
Please provide a text (?text={text}) | The text parameter is missing |
Text cannot exceed 1000 characters | The text exceeds the maximum length |
Text must contain at least one alphanumeric character | The text contains only separators/punctuation (e.g. ---), leaving nothing to convert |
Invalid target case. Valid values: camel, pascal, snake, kebab, constant, title, sentence, upper, lower | The to value is not valid |