The documentation about the API is available here:

• https://api.groundspeak.com/documentation
• https://api.groundspeak.com/api-docs/index

You can follow changes about the documentation and the API here:

• https://github.com/Surfoo/groundspeak-api-monitoring

• PHP >= 8.1
• composer.

From the command line:

composer require surfoo/geocaching-php-sdk

First, you must have your API key from Groundspeak, but access to the API are no longer open.

You can find an example of implementation (with OAuth 2) in this repository: https://github.com/Surfoo/geocaching-api-demo

All contributions are welcome! Feel free to submit pull requests, issues or ideas :-)