# API Reference

SEDA Fast exposes a REST API and a WebSocket API. Both services can be accessed with the same API key, but provide different methods for executing Oracle Programs

{% content-ref url="api-reference/rest-api" %}
[rest-api](https://docs.seda.xyz/home/for-developers/define-your-delivery-method/seda-fast/api-reference/rest-api)
{% endcontent-ref %}

{% content-ref url="api-reference/websocket-api" %}
[websocket-api](https://docs.seda.xyz/home/for-developers/define-your-delivery-method/seda-fast/api-reference/websocket-api)
{% endcontent-ref %}