-## Usage
+## Usage and Prerequisites
-See the [REST API documentation](http://shaarli.github.io/api-documentation/).
+See the [REST API documentation](http://shaarli.github.io/api-documentation/)
+for a list of available endpoints and parameters.
+
+Please ensure that your server meets the [requirements](Server-requirements)
+and is properly [configured](Server-configuration):
+
+- URL rewriting is enabled (see specific Apache and Nginx sections)
+- the server's timezone is properly defined
+- the server's clock is synchronized with
+ [NTP](https://en.wikipedia.org/wiki/Network_Time_Protocol)
+
+The host where the API client is invoked should also be synchronized with NTP,
+see [token expiration](#payload).
## Authentication
#### Payload
-**Validity duration**
+**Token expiration**
-To avoid infinite token validity, JWT tokens must include their creation date in UNIX timestamp format (timezone independant - UTC) under the key `iat` (issued at). This token will be accepted during 9 minutes.
+To avoid infinite token validity, JWT tokens must include their creation date
+in UNIX timestamp format (timezone independent - UTC) under the key `iat` (issued at).
+This token will be valid during **9 minutes**.
```json
{
```
-### Complete examples
+## Clients and examples
+### Android, Java, Kotlin
+
+- [Android client example with Kotlin](https://gitlab.com/snippets/1665808)
+ by [Braincoke](https://github.com/Braincoke)
+
+### Javascript, NodeJS
+
+- [shaarli-client](https://www.npmjs.com/package/shaarli-client)
+ ([source code](https://github.com/laBecasse/shaarli-client))
+ by [laBecasse](https://github.com/laBecasse)
### PHP
var_dump(getInfo($baseUrl, $secret));
```
+
+
+### Python
+
+See the reference API client:
+
+- [Documentation](http://python-shaarli-client.readthedocs.io/en/latest/) on ReadTheDocs
+- [python-shaarli-client](https://github.com/shaarli/python-shaarli-client) on Github