Connectors / Integration
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.
Greenhouse + Workday REST integration
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.
When recruiting closes a hire in Greenhouse, the clock starts immediately on IT provisioning, payroll setup, benefits enrollment, and manager notifications — all of which live in Workday. Every hour spent copying names, job titles, start dates, compensation details, and department codes from one system to the other is time wasted and another chance to introduce bad data. A tray.ai integration between Greenhouse and Workday automates worker creation, position management, and organizational assignments in Workday directly from Greenhouse hiring events — offer acceptance, background check clearance, stage transitions. New hires reach productivity faster, HRIS data stays clean, and your recruiting and HR ops teams can stop doing manual reconciliation.
Automate & integrate Greenhouse + Workday REST
Automating Greenhouse and Workday REST business processes or integrating data is made easy with Tray.ai.
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.
- Cuts time-to-Workday-record from days to minutes after offer acceptance
- Eliminates duplicate data entry errors between Greenhouse and Workday
- Unblocks IT provisioning and benefits enrollment that depend on Workday worker records
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.
- Ensures Greenhouse only recruits for Workday-approved headcount
- Cuts the time to open a role for active sourcing by removing manual ATS setup
- Keeps compensation and job details consistent across both platforms
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.
- Gives Workday-based headcount reports live recruiting pipeline data
- Reduces ad hoc reporting requests to recruiting teams from HR ops and finance
- Lets workforce planning respond to where candidates actually are in the funnel
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.
- Launches Workday onboarding workflows within minutes of hire confirmation
- Pre-populates onboarding tasks with data already captured in Greenhouse
- Reduces manual coordination between recruiting and HR operations teams
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.
- Ensures Workday payroll configuration matches the exact offer terms from Greenhouse
- Gets compensation data out of email and into the system of record
- Reduces payroll correction cycles and the cleanup work that comes with them
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.
- Keeps Workday position statuses accurate when candidates drop from late pipeline stages
- Notifies hiring managers immediately to prevent recruiting delays
- Ensures time-to-fill reporting reflects true recruiting cycle times
Challenges Tray.ai solves
Common obstacles when integrating Greenhouse and Workday REST — and how Tray.ai handles them.
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 helps
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 helps
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 helps
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.
Templates
Pre-built workflows for Greenhouse and Workday REST you can deploy in minutes.
Greenhouse Hired Candidate → Workday New Worker Creation
Greenhouse 
Workday REST 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.
Workday Approved Requisition → Greenhouse Job Creation
Workday REST Greenhouse 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.
Greenhouse Pipeline Stage Update → Workday Position Status Sync
Greenhouse Workday REST 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.
Workday Compensation Band Changes → Greenhouse Offer Guardrails Update
Workday REST Greenhouse 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.
Greenhouse New Hire → Workday Onboarding Process Launch
Greenhouse Workday REST 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.
Greenhouse Declined Offer → Workday Position Re-Open and Recruiter Alert
Greenhouse Workday REST 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.
How Tray.ai makes this work
Greenhouse + Workday REST runs on the full Tray.ai platform
Intelligent iPaaS
Integrate and automate across 700+ connectors with visual workflows, error handling, and observability.
Learn more →Agent Builder
Build AI agents that read, write, and take action in Greenhouse and Workday REST — with guardrails, audit, and human-in-the-loop.
Learn more →Agent Gateway
Expose Greenhouse + Workday REST actions as governed MCP tools — observable, rate-limited, authenticated.
Learn more →Ship your Greenhouse + Workday REST integration.
We'll walk through the exact integration you're imagining in a tailored demo.