CURL Data & Text — A .curl file is a CURL Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.
Quick facts
What is .curl
A .curl file is a CURL Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.
In the mime-db registry it maps to text/vnd.curl. When serving .curl over HTTP, set the Content-Type header as shown in Developer info below.
Related entities: it maps to text/vnd.curl — and is delivered over HTTP via the Content-Type header.
How to open .curl files
Developer info
When served over HTTP, responses should set the following header:
Content-Type: text/vnd.curl
Common software that reads/writes .curl:
Relation chain
Related extensions
Related MIME types
Common uses
How to edit .curl files
How to create .curl files
Frequently asked questions
Common options include VS Code, Notepad++, Sublime Text. You can also open many of these files with built-in viewers or a browser.
Create a new file in any text editor or the app that owns the format and save it with the .curl extension.
text/vnd.curl is the media type identifier used for .curl files during network transfer (for example in the HTTP Content-Type header).
Sources & standards
Updated 2026-08-18
Explore this reference