Greenhouse + Workday REST
Connect Greenhouse and Workday to Automate Your Hire-to-Onboard Workflow
Stop re-entering offer data by hand. When a candidate accepts in Greenhouse, tray.ai syncs their record straight into Workday HCM.
Why integrate Greenhouse and Workday REST?
Greenhouse and Workday do different jobs — Greenhouse handles recruiting, Workday takes over once someone is hired. That handoff is where things break down. Without an integration, HR and recruiting teams manually re-enter accepted-offer data into Workday, which means errors, delays, and new hires who aren't ready on Day 1. Connecting Greenhouse with Workday via tray.ai means every hired candidate flows automatically into Workday as a new worker record the moment they clear your hiring pipeline.
Automate & integrate Greenhouse & Workday REST
Use case
Automated New Hire Record Creation in Workday
When a candidate is marked as hired in Greenhouse and an offer is accepted, tray.ai automatically creates a new pre-hire or worker record in Workday REST — legal name, personal email, job profile, compensation grade, department, manager. Workday reflects accurate headcount data from the moment a hire is finalized, not days later. Recruiting coordinators don't need to touch either system to make it happen.
Use case
Real-Time Job Requisition Sync Between Workday and Greenhouse
When a new position is approved in Workday, tray.ai automatically creates a corresponding job requisition in Greenhouse, pre-populated with the approved job title, department, location, compensation range, and hiring manager. HR ops doesn't need to manually create roles in both systems. Location changes or requisition closures in Workday update Greenhouse automatically.
Use case
Candidate Status Updates Written Back to Workday
As candidates move through Greenhouse pipeline stages — phone screen, interview, offer, hired, declined — tray.ai writes status updates back to the corresponding Workday position or recruiting object. HR leaders get a unified view of pipeline health without leaving Workday. This matters most for organizations that use Workday as their reporting source of truth for executive dashboards and headcount planning.
Use case
Automated Onboarding Task Assignment Upon Hire
When a candidate is marked as hired in Greenhouse, tray.ai triggers onboarding business processes in Workday — new hire task checklists, equipment request forms, manager to-dos — without HR intervention. Start dates, cost centers, and business unit assignments from Greenhouse pass directly into Workday to pre-fill required fields. New hires get their onboarding portal access sooner, which makes a real difference on Day 1.
Use case
Offer Data and Compensation Sync for Payroll Readiness
Compensation details finalized in Greenhouse — base salary, bonus targets, equity grants, start date — can be automatically pushed into the corresponding Workday worker record so payroll is configured correctly before Day 1. Without this, offer data lives in Greenhouse or email threads instead of Workday, which is how first-paycheck errors happen. HR and finance teams can trust that every new hire will be paid correctly from the start.
Use case
Rejected or Withdrawn Candidate Notifications to HR Ops
When candidates are rejected, decline an offer, or drop out at late pipeline stages in Greenhouse, tray.ai can update Workday position statuses, notify hiring managers, and re-open headcount approvals so HR can restart recruiting immediately. Without automation, open positions sit in a limbo state in Workday while the ATS has already moved on. Keeping both systems in sync on withdrawals helps organizations report accurate time-to-fill and maintain clean position management.
Use case
Employee Referral and Source Attribution Tracking
Greenhouse captures source and referral data for every candidate — referring employee, sourcing channel, recruiter — which tray.ai can sync into Workday to support referral bonus processing, diversity sourcing analysis, and recruiter performance reporting. No more spreadsheets to track who referred which hire or whether a bonus payout should fire. HR teams can run their referral programs directly in Workday using data that originates in Greenhouse.
Get started with Greenhouse & Workday REST integration today
Greenhouse & Workday REST Challenges
What challenges are there when working with Greenhouse & Workday REST and how will using Tray.ai help?
Challenge
Complex Field Mapping Between Greenhouse and Workday Data Models
Greenhouse and Workday use fundamentally different data structures. Greenhouse organizes data around jobs, applications, and candidates; Workday structures everything around workers, positions, and supervisory organizations. Mapping fields between the two requires deep knowledge of both APIs, handling custom fields on both sides, and conditional logic for things like different onboarding flows for exempt vs. non-exempt employees or domestic vs. international hires.
How Tray.ai Can Help:
tray.ai's visual data mapper and JSONPath transformation tools let teams build sophisticated field-mapping logic without writing custom code. Pre-built connector schemas for both Greenhouse and Workday REST expose all available fields, and conditional branching lets you define different mapping rules for different employment types, locations, or job families — all in a single, auditable workflow.
Challenge
Workday REST API Authentication and Tenant Configuration
Workday REST APIs require OAuth 2.0 client credential setup within each Workday tenant, and API endpoint URLs are tenant-specific. Initial configuration is genuinely complex for teams without dedicated Workday integration experience. Misconfigured authentication or incorrect tenant URLs are a common reason integrations fail before they ever go live.
How Tray.ai Can Help:
tray.ai's Workday REST connector handles the OAuth 2.0 handshake and tenant URL configuration through a guided setup, storing credentials securely in tray.ai's encrypted credential vault. Teams can connect their Workday tenant in minutes, credentials refresh automatically, and the integration keeps running without anyone babysitting the auth layer.
Challenge
Handling Greenhouse Webhook Reliability and Payload Validation
Greenhouse delivers hiring events via webhooks, but deliveries can fail — network timeouts, payload schema changes after product updates, missing required fields in partially completed candidate profiles. Without solid error handling, a failed webhook can mean a new hire never gets created in Workday. That's the kind of problem you don't want to discover on someone's first day.
How Tray.ai Can Help:
tray.ai provides built-in webhook ingestion with automatic retry logic, dead-letter queuing for failed events, and real-time alerting when a payload fails validation. Teams can configure tray.ai to hold incomplete webhook payloads until missing fields are resolved and to send immediate Slack or email alerts to HR ops when a hire event can't be processed.
Challenge
Keeping Integration Logic Current with Greenhouse and Workday Product Updates
Both Greenhouse and Workday ship regular updates that can introduce new required fields, deprecate existing API endpoints, or change webhook payload schemas. Teams running custom point-to-point integrations usually find out about breaking changes only after something fails in production — which means manual cleanup and missed SLAs for new hire processing.
How Tray.ai Can Help:
tray.ai maintains its Greenhouse and Workday REST connectors in response to platform changes, so your workflows don't break when an API update ships. When connector updates are released, tray.ai notifies workspace administrators so teams can review and test any workflow adjustments in a staging environment before pushing to production.
Challenge
Compliance, Audit Trails, and Data Privacy Across Systems
Candidate personal data moving between Greenhouse and Workday — Social Security Numbers, compensation details, background check results, EEO data — is sensitive and subject to GDPR, CCPA, and SOC 2 requirements. Organizations need a clear audit trail of what data was transferred and when, and they need confidence that PII isn't sitting in unsecured intermediate systems during transit.
How Tray.ai Can Help:
tray.ai encrypts all data in transit and at rest, provides a complete audit log of every workflow execution including input/output payloads, and lets teams configure data masking rules to redact PII from execution logs. Role-based access controls ensure only authorized team members can view sensitive workflow data, supporting compliance with GDPR, CCPA, and internal data governance policies.
Start using our pre-built Greenhouse & Workday REST templates today
Start from scratch or use one of our pre-built Greenhouse & Workday REST templates to quickly solve your most common use cases.
Greenhouse & Workday REST Templates
Find pre-built Greenhouse & Workday REST solutions for common use cases
Template
Greenhouse Hired Candidate → Workday New Worker Creation
This template listens for the 'candidate_hired' webhook in Greenhouse and automatically creates a new pre-hire record in Workday REST using the offer details, personal information, and job data from Greenhouse. It maps Greenhouse custom fields to Workday worker data fields and alerts the HR ops team if any required field is missing before the record can be created.
Steps:
- Trigger: Receive 'candidate_hired' webhook from Greenhouse when an offer is accepted and countersigned
- Transform: Map Greenhouse offer fields (job title, start date, compensation, department, manager) to Workday worker creation API payload
- Action: Call Workday REST API to create a new pre-hire or contingent worker record with all mapped fields
- Validate: Check Workday API response for success and log the new worker ID back to Greenhouse as a custom field
- Notify: Send a confirmation message to the HR ops Slack channel with the new hire name and Workday record link
Connectors Used: Greenhouse, Workday REST
Template
Workday Approved Requisition → Greenhouse Job Creation
When a job requisition reaches 'Approved' status in Workday, this template automatically creates a corresponding open job in Greenhouse, pre-filling all available details from Workday including job title, department, location, hiring manager, and compensation band. Recruiters get an immediate Slack or email notification that a new role is ready for sourcing, removing the manual handoff between HRBP approval and recruiting kickoff.
Steps:
- Trigger: Poll Workday REST API on a scheduled interval to detect newly approved job requisitions
- Filter: Check that the requisition does not already have a corresponding Greenhouse job to avoid duplicates
- Transform: Map Workday requisition fields to Greenhouse job creation payload including department ID, office, and custom fields
- Action: Create a new open job in Greenhouse via the Greenhouse Harvest API
- Notify: Alert the assigned recruiter via email or Slack with a link to the new Greenhouse job
Connectors Used: Workday REST, Greenhouse
Template
Greenhouse Pipeline Stage Update → Workday Position Status Sync
This template keeps Workday position objects updated in real time as candidates move through Greenhouse pipeline stages, writing back stage names, candidate counts, and estimated close dates so HR and finance leadership can track open headcount directly in Workday without needing Greenhouse access.
Steps:
- Trigger: Receive Greenhouse webhook event when a candidate moves to a pipeline stage such as 'Offer' or 'Background Check'
- Lookup: Query Workday REST to find the corresponding open position using the Greenhouse job ID stored as a custom identifier
- Transform: Build a Workday position update payload reflecting the current pipeline stage and active candidate count
- Action: Update the Workday position record via REST API with the latest recruiting status information
- Log: Write a timestamped audit entry to a connected Google Sheet or data warehouse for compliance tracking
Connectors Used: Greenhouse, Workday REST
Template
Workday Compensation Band Changes → Greenhouse Offer Guardrails Update
When HR updates approved compensation bands for a job family in Workday, this template automatically syncs the new minimum, midpoint, and maximum salary figures to the corresponding Greenhouse job's custom fields. Recruiters and hiring managers always extend offers within the latest approved ranges, which removes the risk of off-band offers going out because the ATS had stale data.
Steps:
- Trigger: Detect updated compensation grade profiles in Workday REST via scheduled polling or event subscription
- Lookup: Identify all active Greenhouse jobs mapped to the affected job family or grade
- Transform: Format new compensation band values as Greenhouse custom field update payloads
- Action: Patch each matching Greenhouse job record with updated minimum, midpoint, and maximum compensation values
- Notify: Alert recruiting managers via Slack that compensation guardrails have been refreshed for affected roles
Connectors Used: Workday REST, Greenhouse
Template
Greenhouse New Hire → Workday Onboarding Process Launch
Upon hire confirmation in Greenhouse, this template creates the Workday worker record and immediately initiates the full Workday onboarding business process, assigns the right onboarding checklist template based on job family and location, and notifies the new hire's manager of their responsibilities in the onboarding workflow.
Steps:
- Trigger: Receive 'candidate_hired' event from Greenhouse with full offer and personal data payload
- Action: Create Workday pre-hire record and return the Workday worker ID
- Action: Initiate the Workday onboarding business process via REST API using the new worker ID
- Logic: Select the correct onboarding checklist template based on job family, employment type, and office location
- Notify: Send manager an email summarizing their onboarding responsibilities and Day 1 preparation tasks
Connectors Used: Greenhouse, Workday REST
Template
Greenhouse Declined Offer → Workday Position Re-Open and Recruiter Alert
When a candidate declines an offer or withdraws from the Greenhouse pipeline at the offer stage, this template re-opens the associated Workday position, resets the expected fill date, and sends an immediate alert to the recruiter and hiring manager so recruiting can resume without delay. Positions don't go stale in Workday while recruiters are still actively sourcing.
Steps:
- Trigger: Receive Greenhouse webhook event for candidate rejection or offer decline at the offer or background-check stage
- Lookup: Retrieve the associated Workday position ID using the Greenhouse job ID cross-reference
- Action: Update the Workday position status back to 'Open' and extend the target fill date by a configurable number of days
- Notify: Send a Slack message and email to the recruiter and hiring manager with candidate decline reason and next-step guidance
- Log: Record the declined offer event in a Workday custom report field for time-to-fill and offer acceptance rate analytics
Connectors Used: Greenhouse, Workday REST