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Copyright (C) 1998 - 2022 Daniel Stenberg, < daniel @ haxx . se > , et al.
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SPDX-License-Identifier: curl
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-->
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# [](https://curl.se/)
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[](https://bestpractices.coreinfrastructure.org/projects/63)
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[](https://scan.coverity.com/projects/curl)
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[](https://ci.appveyor.com/project/curlorg/curl)
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[](https://dev.azure.com/daniel0244/curl/_build/latest?definitionId=1& branchName=master)
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[](https://cirrus-ci.com/github/curl/curl)
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[](https://github.com/curl/curl/actions/workflows/linux.yml)
[](https://github.com/curl/curl/actions/workflows/macos.yml)
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[](#backers)
[](#sponsors)
[](https://lgtm.com/projects/g/curl/curl/context:cpp)
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[](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened& can=1& q=proj:curl)
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[](https://api.reuse.software/info/github.com/curl/curl)
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Curl is a command-line tool for transferring data specified with URL
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syntax. Find out how to use curl by reading [the curl.1 man
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page](https://curl.se/docs/manpage.html) or [the MANUAL
document](https://curl.se/docs/manual.html). Find out how to install Curl
by reading [the INSTALL document ](https://curl.se/docs/install.html ).
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libcurl is the library curl is using to do its job. It is readily available to
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be used by your software. Read [the libcurl.3 man
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page](https://curl.se/libcurl/c/libcurl.html) to learn how.
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You can find answers to the most frequent questions we get in [the FAQ
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document](https://curl.se/docs/faq.html).
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Study [the COPYING file ](https://curl.se/docs/copyright.html ) for
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distribution terms.
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## Contact
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If you have problems, questions, ideas or suggestions, please contact us by
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posting to a suitable [mailing list ](https://curl.se/mail/ ).
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All contributors to the project are listed in [the THANKS
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document](https://curl.se/docs/thanks.html).
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## Commercial support
For commercial support, maybe private and dedicated help with your problems or
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applications using (lib)curl visit [the support page ](https://curl.se/support.html ).
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## Website
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Visit the [curl website ](https://curl.se/ ) for the latest news and
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downloads.
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## Git
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To download the latest source from the Git server, do this:
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git clone https://github.com/curl/curl.git
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(you will get a directory named curl created, filled with the source code)
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## Security problems
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Report suspected security problems via [our HackerOne
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page](https://hackerone.com/curl) and not in public.
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## Notice
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Curl contains pieces of source code that is Copyright (c) 1998, 1999 Kungliga
Tekniska Högskolan. This notice is included here to comply with the
distribution terms.
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## Backers
Thank you to all our backers! 🙏 [[Become a backer ](https://opencollective.com/curl#backer )]
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[](https://opencollective.com/curl#backers)
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## Sponsors
Support this project by becoming a sponsor. Your logo will show up here with a
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link to your website. [[Become a sponsor ](https://opencollective.com/curl#sponsor )]
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<!-- markdown - link - check - disable -->
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[](https://opencollective.com/curl/sponsor/0/website)
[](https://opencollective.com/curl/sponsor/1/website)
[](https://opencollective.com/curl/sponsor/2/website)
[](https://opencollective.com/curl/sponsor/3/website)
[](https://opencollective.com/curl/sponsor/4/website)
[](https://opencollective.com/curl/sponsor/5/website)
[](https://opencollective.com/curl/sponsor/6/website)
[](https://opencollective.com/curl/sponsor/7/website)
[](https://opencollective.com/curl/sponsor/8/website)
[](https://opencollective.com/curl/sponsor/9/website)
