# API.FR.02 Event Subscription

### Description

The subscriber APIs help to define endpoints that facilitate the receipt of subscribe/unsubscribing events from the registry. The notify endpoint is to be implemented at the SP system end to receive event data. 

API definition link:

* [/subscribe](https://api.spdci.org/release/html/fr_api_v1.0.0.html#tag/Async/operation/post_reg_subscribe)

Please refer to GitHub for object definitions:

<https://github.com/spdci/schemas/tree/main/extensions/fr/v1>

Note: For any changes kindly raise pull request on [github](https://github.com/spdci/standards).

### Applicability to this Interface and Examples

It is also applicable to this interface, as outlined in the sample APIs at the bottom of each of the [1.2-process](https://standards.spdci.org/standards/dci-standards/wip-farmers-registry/farmers-registry-and-sp-system-interface/1.-crvs/1.2-process "mention") pages.

The examples are also consolidated technically here:

{% embed url="<https://spdci.github.io/api-standards/release/sample-jsons/fr>" %}