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Flock integration for Greenhouse: Automate candidate imports, onboarding, and benefits reconciliation

Titus Juenemann September 16, 2024

TL;DR

The Flock integration for Greenhouse automates the transfer of candidate records, attachments, and hire events into Flock to reduce manual data entry, improve data consistency, and streamline onboarding and benefits administration. Organizations that hire frequently, require reliable compliance reporting, or want to reduce payroll and benefits reconciliation will see the largest gains. Implementation requires configuring API access, mapping fields (including custom attributes), and validating imports in a pilot; key benefits include time savings, fewer data errors, faster benefits enrollment, and audit-ready records. To maximize value, pair the integration with tools like ZYTHR to automate resume screening so only qualified candidates enter the HRIS workflow, saving time and improving hiring accuracy.

The Flock integration for Greenhouse automatically imports candidate records from Greenhouse into Flock, removing manual entry and creating a single source of truth for new hires. This integration reduces administrative overhead, accelerates onboarding, and improves data consistency across recruiting and HR systems. This article explains exactly what the integration does, which organizations benefit most, key operational and compliance advantages, technical considerations, and measurable ways to estimate ROI so HR and staffing leaders can decide whether to enable the connection.

What the Flock–Greenhouse integration does

  • Automated candidate import Transfers candidate profiles, resume attachments, contact info, and offer acceptance status from Greenhouse into Flock without manual copying.
  • Field mapping and normalization Maps Greenhouse fields to Flock employee records, standardizing job titles, hire dates, and employment types to prevent mismatches.
  • Trigger-based workflows Initiates onboarding workflows in Flock when a candidate status changes to hired in Greenhouse (e.g., sends welcome emails, sets up payroll provisioning tasks).
  • Audit trail and reporting Logs import events and preserves attachments so HR can reconcile candidate history during audits or benefits enrollment windows.

How the integration works technically: it uses Greenhouse’s API to pull candidate records and Flock’s API to push those records into the HRIS dataset. Most implementations are event-driven (hire status updates trigger imports) but can also run scheduled batch syncs for backfills. Administrators configure field mappings, choose which candidate pipelines or job posts to sync, and set permissions for who can approve imports. Secure OAuth and scoped API keys are used to maintain access control between systems.

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Common data fields synced from Greenhouse to Flock

Greenhouse Candidate Field Destination in Flock
Full name, preferred name Employee record: legal name and display name
Email and phone Contact details (work email, mobile)
Resume / attachments Documents section for onboarding and benefits enrollment
Job applied / job ID Position code and department assignment
Offer accepted / hire date Hire date and employment status
Salary / compensation details Payroll and benefits eligibility fields

Who should enable the integration

  • Small to mid-size companies without an HRIS integration Teams that rely on Greenhouse for recruiting but still enter hire data manually into another HR system will see immediate time savings.
  • High-volume hiring teams Organizations that onboard numerous employees per month reduce repetitive data entry and human errors that scale with volume.
  • Companies with strict compliance or reporting needs Employers that must track ACA eligibility, benefits enrollment windows, or generate audited reports benefit from consistent, timestamped data flows.
  • Companies using external brokers or benefits partners Flock’s ability to bridge broker-configured benefits and imported employee data simplifies enrollment and plan assignment.

Operational efficiency gains are the most immediate benefit: by eliminating duplicate entry, HR administrators can reallocate hours to higher-value tasks such as benefits configuration and employee support. For example, a 50-person company that hires 10 people per quarter can save several days of admin work annually by automating imports. Standardized data also reduces friction between teams: payroll, benefits, and compliance teams work from the same record set, avoiding reconciliation cycles and last-minute fixes before payroll runs or open enrollment deadlines.

Compliance and reporting benefits

  • Accurate eligibility data Synchronized hire dates and employment status ensure benefit eligibility calculations (e.g., waiting periods) are based on consistent records.
  • Audit-ready trails Import logs and preserved attachments simplify compliance reviews and reduce time to produce documentation for auditors.
  • Reduced classification errors Standard job codes and mapped employment types lower the risk of misclassification that can impact tax or benefits reporting.

Implementation checklist: grant API access and set up a service account in Greenhouse, obtain scoped keys for Flock, define field mappings (including any custom fields), decide on trigger conditions (status-based or scheduled), and run imports in a sandbox environment to validate outputs. Finally, train HR staff on the new workflow and monitor the first live imports closely to catch mapping adjustments. Plan for a short validation window: verify a sample of imported records against source Greenhouse profiles, confirm attachments are accessible, and check downstream processes such as benefits enrollment and payroll provisioning.

Common questions about the integration

Q: Is the data transfer real-time?

A: It depends on configuration. Most setups offer near real-time imports triggered by Greenhouse status changes; others use scheduled batch syncs for low-frequency updates.

Q: How are duplicates handled?

A: Flock typically deduplicates based on unique identifiers (email or candidate ID). Admins can set rules to merge or reject duplicates during mapping.

Q: Are attachments (resumes, offer letters) included?

A: Yes — attachments attached to the Greenhouse candidate profile can be transferred and stored within the Flock employee files for onboarding and compliance records.

Q: What about custom fields?

A: Custom fields in Greenhouse can be mapped to custom attributes in Flock, though mapping requires explicit configuration and may need validation for data types.

Best practices for HR teams: establish a single canonical field naming convention across recruiting and HR; document mapping logic so new HR hires understand how data flows; create a staging import process for exceptions; and maintain a short retention policy for intermediate audit logs if privacy regulations require it. Also coordinate with benefits brokers and payroll providers during initial setup to ensure downstream systems receive the normalized values they expect (job codes, compensation formats, benefit eligibility flags).

Before and after enabling the integration

Before integration After integration
Manual copy-paste of candidate details into HRIS Automatic transfer from Greenhouse to Flock on hire
High error rate in contact and compensation fields Standardized, validated fields reduce errors
Payroll and benefits teams reconcile records weekly Teams access the same canonical record in Flock
Onboarding tasks initiated manually Onboarding workflows triggered automatically

Technical considerations and limitations

  • Two-way sync limitations Most integrations are one-way (Greenhouse → Flock). If you need edits in Flock reflected back to Greenhouse, confirm whether two-way syncing is supported or requires custom middleware.
  • Custom field data types Ensure date, numeric, and enumerated fields are compatible between systems to avoid import errors.
  • Rate limits and API quotas Large organizations should design batch strategies and backoff logic to avoid hitting API rate limits during mass imports.
  • Security and access controls Use least-privilege service accounts and rotate API keys; log import events for accountability.

Measuring ROI: track baseline HR admin hours spent on data entry, error correction time, and time-to-productivity for new hires. After enabling the integration, measure reductions in manual entry hours, decreased payroll corrections, and faster benefits enrollment completion. Example: if each hire previously required 45 minutes of manual entry and you hire 200 people annually, automating that step saves 150 hours per year — multiply by average HR hourly cost to quantify savings. Combine time-savings metrics with qualitative improvements (fewer payroll exceptions, quicker benefits setup) to build a business case for enabling the integration.

Short implementation scenario: A 150-employee tech firm hires 3–5 people monthly. After mapping key fields and enabling status-triggered imports, the HR team eliminated a daily task of copying Greenhouse offer details into the HRIS. Within two months the number of payroll corrections related to onboarding dropped by 70%, and benefits enrollment on day one increased substantially because employee profiles arrived in Flock before open-enrollment deadlines. This kind of outcome is repeatable when organizations follow the checklist and validate mappings during a controlled pilot.

Speed Up Candidate Review and Onboarding with ZYTHR

Pair the Flock–Greenhouse integration with ZYTHR to automatically screen resumes as candidates flow into your hiring pipeline. ZYTHR’s AI resume screening reduces time spent on initial review and improves accuracy in shortlisting — so you get fewer false positives entering the Flock onboarding process and can reallocate HR time to strategic onboarding and benefits setup.