# Subscription payment API

{% content-ref url="subscription-payment-api/schedule-payment-api" %}
[schedule-payment-api](https://portone.gitbook.io/docs-en/api/subscription-payment-api/schedule-payment-api)
{% endcontent-ref %}

{% content-ref url="subscription-payment-api/cancel-scheduled-payment-api" %}
[cancel-scheduled-payment-api](https://portone.gitbook.io/docs-en/api/subscription-payment-api/cancel-scheduled-payment-api)
{% endcontent-ref %}

{% content-ref url="subscription-payment-api/get-scheduled-payments-api" %}
[get-scheduled-payments-api](https://portone.gitbook.io/docs-en/api/subscription-payment-api/get-scheduled-payments-api)
{% endcontent-ref %}

{% content-ref url="subscription-payment-api/get-scheduled-payment-api" %}
[get-scheduled-payment-api](https://portone.gitbook.io/docs-en/api/subscription-payment-api/get-scheduled-payment-api)
{% endcontent-ref %}

{% content-ref url="subscription-payment-api/get-scheduled-payments-by-billing-key-api" %}
[get-scheduled-payments-by-billing-key-api](https://portone.gitbook.io/docs-en/api/subscription-payment-api/get-scheduled-payments-by-billing-key-api)
{% endcontent-ref %}