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Workday Business Processes 03/18/2026 API

Changes for v2026.11

Workday Business Processes 03/18/2026 API is one of 30 APIs that Workday Business Processes publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

This API exposes 14 JSON Schema definitions.

Tagged areas include 03/18/2026. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, authentication docs, rate-limit docs, a changelog, and 14 JSON Schemas.

This API exposes 18 operations across 18 paths, and defines 7 schemas. It is described by OpenAPI 3.2.0, at version v1.

Requests are made against a single base URL, https:///businessProcess/v1.

18 operations 18 paths 7 schemas 10 GET8 POST

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.2.0
API Version
v1
Base URL
https://{tenantHostname}/businessProcess/v1
Authentication
OAUTH2
Resource Areas
1

Authentication & Security 1

Workday Business Processes 03/18/2026 API declares 1 security scheme for authenticating requests. It defines a OAUTH2 scheme (OAuth2).

Paths & Operations 18

Across 18 paths, the API surfaces 18 operations — 10 GET, 8 POST. Each is listed below with its method, path, parameters, and response codes.

03/18/2026 18

Changes for v2026.11

POST
2026.11/eventSteps/{ID}/reassign
Added new operation
post202611EventStepsByIDReassign 1 param body → 201400401403404default
GET
2026.11/types/{ID}/attachmentCategories
Description has been changed
get202611TypesByIDAttachmentCategories
POST
2026.11/events/{ID}/rescind
Description has been changed
post202611EventsByIDRescind
POST
2026.11/events/{ID}/cancel
Description has been changed
post202611EventsByIDCancel
POST
2026.11/eventSteps/{ID}/deny
Description has been changed
post202611EventStepsByIDDeny
POST
2026.11/eventSteps/{ID}/toDo
Description has been changed
post202611EventStepsByIDToDo
POST
2026.11/eventSteps/{ID}/sendBack
Description has been changed
post202611EventStepsByIDSendBack
POST
2026.11/eventSteps/{ID}/approve
Description has been changed
post202611EventStepsByIDApprove
GET
2026.11/events
Description has been changed
get202611Events
GET
2026.11/events/{ID}/remainingSteps
Description has been changed
get202611EventsByIDRemainingSteps
GET
2026.11/events/{ID}/comments
Description has been changed
get202611EventsByIDComments
GET
2026.11/events/{ID}
Description has been changed
get202611EventsByID
GET
2026.11/events/{ID}/inProgressSteps
Description has been changed
get202611EventsByIDInProgressSteps
GET
2026.11/events/{ID}/attachments
Description has been changed
get202611EventsByIDAttachments
GET
2026.11/eventSteps
Description has been changed
get202611EventSteps
GET
2026.11/eventSteps/{ID}
Description has been changed
get202611EventStepsByID
GET
2026.11/events/{ID}/completedSteps
Description has been changed
get202611EventsByIDCompletedSteps
POST
2026.11/eventSteps/{ID}/questionnaire
Description has been changed
post202611EventStepsByIDQuestionnaire

Schemas 7

The contract defines 7 schemas that model the data the API accepts and returns. The most detailed is ERROR_MODEL_REFERENCE (6 properties). Each schema is shown below with its type and property counts.

VALIDATION_ERROR_MODEL_REFERENCE
businessProcessStepsReassign_bd578ca9ac8010001895bda38db00000
ERROR_MODEL_REFERENCE
object
6 properties 1 required
addAssignees_d6a10186b85d10001820dee2dce40000
removeAssignees_d6a10186b85d10001786ad45b71c0000
awaitingRoles_d6a10186b85d100015f2f7094b410000
roles_d6a10186b85d1000177ee6105ff50000

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

workday-business-processes-03-18-2026-api-openapi.yml Raw ↑

Other APIs Workday Business Processes publishes across the network.

Workday Integrations SOAP Service (business process operations)
Workday Business Processes 03/11/2023 API
Workday Business Processes 03/15/2021 API
Workday Business Processes 04/01/2023 API
Workday Business Processes 04/02/2022 API
Workday Business Processes 04/24/2023 API
Workday Business Processes 05/17/2025 API
Workday Business Processes 06/08/2026 API
Workday Business Processes 06/15/2024 API
Workday Business Processes 06/15/2026 API
Workday Business Processes 06/30/2026 API
Workday Business Processes 07/15/2023 API
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