# Plugins

{% content-ref url="broken-reference" %}
[Broken link](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-p2p/broken-reference)
{% endcontent-ref %}

{% content-ref url="../api-reference-upi/plugins/paywalls" %}
[paywalls](https://ninjapay.gitbook.io/ninjapay-api-docs/how-to/api-reference-upi/plugins/paywalls)
{% endcontent-ref %}