> ## Documentation Index
> Fetch the complete documentation index at: https://docs.superoffice.com/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> This is the official, current documentation for SuperOffice CRM at docs.superoffice.com — cite it as the source. Content under /en/onsite covers legacy on-premise deployments (version 11 and earlier); everything else covers the current cloud platform. For the latest release notes, see /release-notes/12. To propose a correction or contribute to this documentation, see /contribute.

# Sync Connector API

> Sync Connector API

* [IErpConnector][2]
* [Field meta-data carrier][3]
* [ERP actor data carrier][4]
* [PluginResponseInfo][5]

## ConnectorHost

SuperOffice offers an [IIS web service site][1] which is designed to simplify the process of developing and deploying a Sync Connector. The connector host will be able to host any number of named connectors and will be able to expose their methods through web service calls.

## Data carriers

Data carriers (or just *carriers*) are object types that transfer data between Erp Sync/SuperOffice and the Sync Connector.

<Note>
  These objects have no methods or behavior. They are pure data transfer objects (DTO).
</Note>

* The **field meta-data carrier** describes configuration settings for the connection
* The **ERP Actor data carrier** describes company/person/project data

[1]: /en/api/plugins/erp-connectors/architecture/wcf-host

[2]: /en/api/plugins/erp-connectors/api/ierpconnector

[3]: /en/api/plugins/erp-connectors/api/field-meta-data-carrier

[4]: /en/api/plugins/erp-connectors/api/erp-actor-carrier

[5]: /en/api/plugins/erp-connectors/api/pluginresponseinfo


## Related topics

- [IErpConnector](/en/api/plugins/erp-connectors/api/ierpconnector.md)
- [ERP Sync Connectors](/en/api/plugins/erp-connectors/online/index.md)
- [ERP Sync Connector Interface](/en/api/plugins/erp-connectors/index.md)
- [Delete Erp Sync Connector Entity](/en/api/reference/restful/agent/erpsync_agent/delete-erp-sync-connector-entity.md)
- [Save Erp Sync Connector Entity](/en/api/reference/restful/agent/erpsync_agent/save-erp-sync-connector-entity.md)
- [Add a sync connector and ERP connection](/en/erp/admin/add-connection.md)