# Workday Extend Custom Object Fields API

**Canonical:** https://apis.io/apis/workday-extend/workday-extend-custom-object-fields-api/  
**Provider:** Workday Extend — https://apis.io/providers/workday-extend/  
**Base URL:** https://api.workday.com/extend/v1  
**Documentation:** https://doc.workday.com/extend/

Workday Extend Custom Object Fields API is one of 16 APIs that [Workday Extend](https://apis.io/providers/workday-extend/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Custom Object Fields. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, authentication docs, and an API reference.

Operations for managing the fields and attributes defined within custom object schemas.

## Machine-readable artifacts (11)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/workday-extend/refs/heads/main/openapi/workday-extend-custom-object-fields-api-openapi.yml
- **Documentation** — https://doc.workday.com/extend/
- **Authentication** — https://doc.workday.com/extend/reference/authentication.html
- **Reference** — https://developer.workday.com/rest-api-explorer
- **Documentation** — https://doc.workday.com/extend/orchestrations/
- **Tutorials** — https://doc.workday.com/extend/tutorials/orchestrations/
- **Reference** — https://developer.workday.com/documentation/GUID-1293c9bb-ea02-48cd-a523-254b5060b3a6-enHYPHENus
- **Documentation** — https://doc.workday.com/extend/custom-objects/
- **Examples** — https://doc.workday.com/extend/examples/custom-objects/
- **Documentation** — https://developer.workday.com/graph-api-explorer
- **Reference** — https://developer.workday.com/graph-api-explorer

## Other Workday Extend APIs (12)

- [Workday Orchestrate Insights API](https://apis.io/apis/workday-extend/workday-orchestrate-insights-api/)
- [Workday Illuminate AI API](https://apis.io/apis/workday-extend/workday-illuminate-ai-api/)
- [Workday Extend App Configurations API](https://apis.io/apis/workday-extend/workday-extend-app-configurations-api/)
- [Workday Extend App Deployments API](https://apis.io/apis/workday-extend/workday-extend-app-deployments-api/)
- [Workday Extend App Versions API](https://apis.io/apis/workday-extend/workday-extend-app-versions-api/)
- [Workday Extend Apps API](https://apis.io/apis/workday-extend/workday-extend-apps-api/)
- [Workday Extend Custom Object Definitions API](https://apis.io/apis/workday-extend/workday-extend-custom-object-definitions-api/)
- [Workday Extend Custom Object Instances API](https://apis.io/apis/workday-extend/workday-extend-custom-object-instances-api/)
- [Workday Extend Graph Query API](https://apis.io/apis/workday-extend/workday-extend-graph-query-api/)
- [Workday Extend Orchestration Executions API](https://apis.io/apis/workday-extend/workday-extend-orchestration-executions-api/)
- [Workday Extend Orchestration Steps API](https://apis.io/apis/workday-extend/workday-extend-orchestration-steps-api/)
- [Workday Extend Orchestration Triggers API](https://apis.io/apis/workday-extend/workday-extend-orchestration-triggers-api/)

## Tags

Custom Object Fields

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/workday-extend/workday-extend-custom-object-fields-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/workday-extend/.