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Workday Extend Custom Object Fields API

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

Workday Extend Custom Object Fields API is one of 16 APIs that Workday Extend publishes on the 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.

This API exposes 2 operations across 1 path, and defines 3 schemas. It is described by OpenAPI 3.1.0, at version v1.

Requests are made against a single base URL, https://{baseUrl}/api/customObjects/v1/{tenant}.

2 operations 1 paths 3 schemas 1 GET1 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
v1
Base URL
https://api.workday.com/extend/v1
Authentication
OAuth 2.0
Terms of Service
Resource Areas
1

Authentication & Security 1

Workday Extend Custom Object Fields API declares 1 security scheme for authenticating requests. It supports OAuth 2.0 (OAuth2) using the authorizationCode flow, exposing 2 scopes. By default, every request must be authenticated.

Paths & Operations 2

Across 1 path, the API surfaces 2 operations — 1 GET, 1 POST. Each is listed below with its method, path, parameters, and response codes.

Custom Object Fields 2

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

GET
/customObjectDefinitions/{definitionId}/fields
Workday Extend List custom object fields
listCustomObjectFields 1 param → 200401403404
POST
/customObjectDefinitions/{definitionId}/fields
Workday Extend Add a field to a custom object definition
addCustomObjectField 1 param body → 201400401403404

Schemas 3

The contract defines 3 schemas that model the data the API accepts and returns. The most detailed are CustomObjectField (10 properties), CustomObjectFieldCreate (7 properties), ErrorResponse (2 properties). Each schema is shown below with its type and property counts.

CustomObjectField
object
10 properties
CustomObjectFieldCreate
object
7 properties 2 required
ErrorResponse
object
2 properties

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

workday-extend-custom-object-fields-api-openapi.yml Raw ↑

Other APIs Workday Extend publishes across the network.

Workday Orchestrate Insights API
Workday Illuminate AI API
Workday Extend App Configurations API
Workday Extend App Deployments API
Workday Extend App Versions API
Workday Extend Apps API
Workday Extend Custom Object Definitions API
Workday Extend Custom Object Instances API
Workday Extend Graph Query API
Workday Extend Orchestration Executions API
Workday Extend Orchestration Steps API
Workday Extend Orchestration Triggers API