HRMS migration
Field-level mapping, validation, and rollback between TalentLyft and Bullhorn ATS & CRM. We move data and schema; workflows are rebuilt natively in Bullhorn ATS & CRM.
TalentLyft
Source
Bullhorn ATS & CRM
Destination
Compatibility
13 of 16
objects map 1:1 between TalentLyft and Bullhorn ATS & CRM.
Complexity
BStandard
Timeline
3-5 weeks
Overview
Moving from TalentLyft to Bullhorn is a structural migration for staffing and recruiting firms that need deeper pipeline control, back-office billing integration, and a larger partner ecosystem. TalentLyft organizes hiring around Candidate records linked to Applications that move through Pipeline Stages; Bullhorn uses a richer entity graph with Candidate, ClientCorporation, JobOrder, JobSubmission, and Placement as separate objects with explicit lookup relationships. The migration requires a two-pass extraction from TalentLyft (parent Candidates first, then Application sub-records for education and experience), a custom object schema pre-build in Bullhorn before any data import, and API tier verification because Bullhorn ATS Growth edition excludes API access entirely. TalentLyft's no-bulk-export constraint means we paginate over the candidates endpoint at 500 requests per minute and chunk imports into Bullhorn at 1,500 requests per minute with exponential backoff. Automation rules, email templates, and pipeline customization do not migrate; we deliver a written inventory of every active automation for the customer's Bullhorn admin to rebuild in Bullhorn Automation.
Every standard and custom field arrives verified.
AI proposes the map; you confirm before any record moves.
Parent–child, lookups, and ownership stay linked.
Calls, emails, meetings — with original timestamps.
Documents, uploads, and inline notes move with the record.
Why teams make this switch
Leaving
What's pushing teams away
Choosing
What's pulling them in
Object mapping
Each row shows how a TalentLyft object lands in Bullhorn ATS & CRM, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
TalentLyft
Candidate
Bullhorn ATS & CRM
Candidate
1:1TalentLyft Candidates map to Bullhorn Candidate records. We extract Candidates via cursor-paginated GET /v2/candidates with the 500-requests-per-minute TalentLyft limit and stage them in a temporary dedupe key table (email as primary). Bullhorn Candidate requires no parent lookup, so Candidates insert first and resolve the Bullhorn candidateID before any downstream Application import. Standard fields (firstName, lastName, email, phone, source) map directly; custom fields map after we retrieve TalentLyft field definitions via GET /v2/custom_fields.
TalentLyft
Application
Bullhorn ATS & CRM
JobSubmission
1:1TalentLyft Applications link a Candidate to a Job with a specific Pipeline Stage. They map to Bullhorn JobSubmission records. The JobSubmission requires a valid jobOrderID (from the mapped Job) and a candidateID (from the mapped Candidate) before insert. Pipeline stage name from TalentLyft maps to JobSubmission status, and we use the mapping table built during scoping to translate to equivalent Bullhorn submission status values. Application-level custom fields migrate to custom fields on JobSubmission.
TalentLyft
Job
Bullhorn ATS & CRM
JobOrder
1:1TalentLyft Jobs map to Bullhorn JobOrder. The JobOrder requires a ClientCorporation (mapped from TalentLyft's Department or created as a Bullhorn ClientCorporation if the source has no client entity) before insert. We extract Jobs via GET /v2/jobs, map title, description, employmentType, and location, and link to the Bullhorn JobOrder recordType and salesProcess determined during scoping. Job board distribution settings do not migrate.
TalentLyft
Pipeline
Bullhorn ATS & CRM
Record Type + Sales Process
lossyTalentLyft Pipelines define ordered stage sequences for job requisitions. Bullhorn models equivalent stage sequences as Record Types (one per TalentLyft Pipeline) with corresponding Sales Processes that whitelist stage values. We extract the stage order and names during discovery, build the Bullhorn Record Types and Sales Processes via metadata API before any JobOrder import, and map JobOrder recordTypeID during migration. The customer configures Page Layouts post-migration.
TalentLyft
Pipeline Stage
Bullhorn ATS & CRM
JobSubmission status
lossyTalentLyft Pipeline Stage names map to Bullhorn JobSubmission status values (Added, Submitted, Interview, Offer, Placement, Rejected). We build a stage name mapping table during scoping and apply it during the JobSubmission insert phase. Custom stage names not recognized by Bullhorn default to the nearest standard status and are flagged in the reconciliation report.
TalentLyft
Talent Pool
Bullhorn ATS & CRM
Candidate List or ClientCorporation association
lossyTalentLyft Talent Pools are curated candidate collections. Bullhorn has no native Talent Pool equivalent; we model them as Bullhorn Candidate Lists (for sourcing pools) or as a ClientCorporation association on the Candidate record using a custom field. The customer chooses the strategy during scoping based on how they use Talent Pools. List membership migrates as Candidate List Assignment records.
TalentLyft
Education (sub-record)
Bullhorn ATS & CRM
Candidate education (custom fields or note)
1:1Education records are sub-records on a TalentLyft Application. The API requires GET /v2/applications/{applicationId}/education which depends on the parent applicationId. We run a two-pass extraction: first stage all Applications with their IDs, then resolve the parent chain and pull education sub-records per Application. Bullhorn Candidate does not have a native structured education sub-record; we map education fields to custom fields on the Candidate record or to formatted Note records with structured body text.
TalentLyft
Experience (sub-record)
Bullhorn ATS & CRM
Candidate work history (custom fields or note)
1:1Experience records follow the same two-pass extraction pattern as Education: Application IDs staged first, then GET /v2/applications/{applicationId}/experience sub-records pulled per Application. Bullhorn Candidate does not have native structured work history; we map to custom fields on Candidate or to formatted Note records. Employer, job title, start/end dates, and description migrate as separate structured fields.
TalentLyft
Custom Fields (Candidate-level)
Bullhorn ATS & CRM
Candidate custom fields
1:1TalentLyft Candidate-level custom fields vary per-account and are retrieved via GET /v2/custom_fields before migration. We cross-reference field IDs, labels, and data types against Bullhorn Candidate field names. Bullhorn uses customText, customDate, customBoolean, and customInteger fields (custom1–custom50 depending on edition). Customers with more than 10 Candidate-level custom fields require the Front Office Growth edition or a customObject to hold overflow fields. We run explicit field-by-field mapping sessions for accounts with 10 or more custom fields.
TalentLyft
Custom Fields (Application-level)
Bullhorn ATS & CRM
JobSubmission custom fields
1:1TalentLyft Application-level custom fields store per-application metadata such as interview scores, compliance flags, or offer terms. They map to Bullhorn JobSubmission custom fields. Bullhorn supports custom fields on JobSubmission (customText1–customText50, etc.) at the ATS and Front Office Growth tiers. Application-level custom field values are tied to the Application record; we resolve the JobSubmission bullhornID at import time before inserting the custom field values.
TalentLyft
Department
Bullhorn ATS & CRM
ClientCorporation or Division
1:1TalentLyft Departments organize Jobs. Bullhorn uses ClientCorporation (for client companies) or Division (for internal organizational units). If the TalentLyft Department represents an internal hiring function, we map to Bullhorn Division. If it represents a client organization, we map to ClientCorporation. We extract all Departments via GET /v2/departments during discovery and decide the mapping strategy with the customer during scoping.
TalentLyft
Location
Bullhorn ATS & CRM
JobOrder address fields
1:1TalentLyft Locations (sites) used on Jobs are retrieved via GET /v2/codes/locations and map to Bullhorn JobOrder address fields (address, city, state, zip, country). We preserve location name as a text field on JobOrder and link it to the Bullhorn standardized address where possible. Locations without an address (e.g., remote) map to a jobCity value of Remote with a note field populated.
TalentLyft
User (Team Member)
Bullhorn ATS & CRM
User
1:1TalentLyft Users (recruiters, hiring managers) map to Bullhorn User records by email match. We extract all users via GET /v2/users during discovery, then match by email against the Bullhorn org's User table. Any TalentLyft User without a matching Bullhorn User goes to a reconciliation queue for the customer's Bullhorn admin to provision. OwnerID references on JobOrder, JobSubmission, and Candidate require a valid Bullhorn User before insert.
TalentLyft
Custom Object
Bullhorn ATS & CRM
Custom Object (customObject1–10)
1:1TalentLyft accounts with custom object concepts (modeled as structured custom fields or linked records) map to Bullhorn customObject1 through customObject10 depending on the Bullhorn edition. Bullhorn ATS Growth excludes custom objects; Bullhorn ATS allows 2; Front Office Growth and Enterprise allow 10. We pre-create the Bullhorn custom object schema via Bullhorn Support's Custom Object Setup Sheet before any data import, then import records via the customObject REST API endpoints. Each customObject supports 55 searchable fields.
TalentLyft
Automation Rules
Bullhorn ATS & CRM
Not migrated
1:1TalentLyft Automation Rules (trigger-based email actions, auto-stage moves, CRM updates) are platform-specific configuration not accessible via the API. We do not migrate them. We deliver a written automation audit document listing every active TalentLyft Automation Rule with its trigger conditions, actions, and recommended Bullhorn Automation equivalent. The customer's Bullhorn admin rebuilds each automation in Bullhorn Automation post-migration. This document is produced during scoping.
TalentLyft
Email Templates
Bullhorn ATS & CRM
Not migrated
1:1TalentLyft email templates with personalization tokens are stored in the platform's configuration layer and are not exposed via the API. We do not migrate them. We produce a template audit document listing every active template with its personalization fields, subject line, and body content. Bullhorn admins rebuild templates in Bullhorn using Bullhorn's template editor or via the REST API POST /entity/EmailTemplate. The rebuild is a manual step handled by the customer's Bullhorn admin post-migration.
| TalentLyft | Bullhorn ATS & CRM | Compatibility | |
|---|---|---|---|
| Candidate | Candidate1:1 | Fully supported | |
| Application | JobSubmission1:1 | Fully supported | |
| Job | JobOrder1:1 | Fully supported | |
| Pipeline | Record Type + Sales Processlossy | Fully supported | |
| Pipeline Stage | JobSubmission statuslossy | Fully supported | |
| Talent Pool | Candidate List or ClientCorporation associationlossy | Fully supported | |
| Education (sub-record) | Candidate education (custom fields or note)1:1 | Fully supported | |
| Experience (sub-record) | Candidate work history (custom fields or note)1:1 | Fully supported | |
| Custom Fields (Candidate-level) | Candidate custom fields1:1 | Mapping required | |
| Custom Fields (Application-level) | JobSubmission custom fields1:1 | Mapping required | |
| Department | ClientCorporation or Division1:1 | Fully supported | |
| Location | JobOrder address fields1:1 | Fully supported | |
| User (Team Member) | User1:1 | Fully supported | |
| Custom Object | Custom Object (customObject1–10)1:1 | Fully supported | |
| Automation Rules | Not migrated1:1 | Not supported | |
| Email Templates | Not migrated1:1 | Mapping required |
Gotchas + challenges
Platform-specific issues from each side, plus the pair-specific challenges that don't show up on either platform's page on its own.
TalentLyft gotchas
No bulk export API forces chunked migration
Post-export activity is not migrated
Custom field schema is per-account with no export schema endpoint
Automation rules and email templates not portable
Application-level education and experience require parent-record resolution
Bullhorn ATS & CRM gotchas
ATS Growth edition has no API access
Attachments excluded from CSV bulk exports
Custom Object limits vary sharply by edition
Opportunity pipeline stages are recruitment-specific
Resume parse quality varies by document format
Pair-specific challenges
Migration approach
Edition verification and scoping discovery
We verify the customer's Bullhorn edition via API login to confirm API access is available (ATS Growth blocks migration). We run a discovery audit of the TalentLyft portal: candidate count, application count, active job count, pipeline count, talent pool count, custom field definitions via GET /v2/custom_fields, and department and location taxonomy. We extract a sample of 50-100 records via the API to validate field name consistency and identify any malformed data before building the mapping table. The output is a written migration scope with a Bullhorn edition recommendation if the current edition cannot support the migration.
Schema pre-build in Bullhorn
We build the Bullhorn destination schema before any data import. This includes provisioning custom objects via Bullhorn's Custom Object Setup Sheet (submitted to Bullhorn Support), creating custom fields on Candidate and JobSubmission via Bullhorn Admin Field Mappings, configuring Record Types and Sales Processes per TalentLyft Pipeline, and building the stage name mapping table. Schema is deployed into a Bullhorn Sandbox org first for validation. Bullhorn ATS Growth does not support custom objects; if the customer cannot upgrade, we migrate custom field data to standard fields or exclude it with a documented exception.
Two-pass TalentLyft extraction with pagination
We extract TalentLyft data in two passes due to the sub-record dependency. Pass one extracts all Candidates (cursor-paginated at 500 requests per minute), Jobs, Departments, and Locations and stages them with TalentLyft IDs. Pass two resolves Application IDs from pass one and extracts Application records, then education and experience sub-records per Application. The two-pass approach is required because education and experience endpoints require applicationId in the path. We run exponential backoff on 429 responses and checkpoint pagination state to a local store so that a partial extraction can resume without reprocessing.
Sandbox migration and reconciliation
We run a full migration into Bullhorn Sandbox using production-equivalent data volume. The customer's Bullhorn admin and recruiting lead reconcile record counts (Candidates in, JobOrders in, JobSubmissions in, customObject records in), spot-check 25-50 records against TalentLyft source, and validate that pipeline stage mapping produces the expected JobSubmission statuses. Any mapping corrections, custom field type mismatches, or Record Type configuration errors are fixed in Sandbox. Sign-off from the customer's Bullhorn admin is required before production migration begins.
Production migration in dependency order
We run production migration in record dependency order: Users (manual provisioning validated), ClientCorporations and Divisions (from TalentLyft Departments), JobOrders (with recordTypeID and ClientCorporation ID resolved), Candidates (with dedupe by email), JobSubmissions (with bullhornCandidateID and jobOrderID resolved, stage name mapped), customObject records (last, after standard objects are loaded), and Talent Pool membership (as Bullhorn Candidate List assignments). Bullhorn API limits (1,500 requests/min, 100,000/month) are tracked throughout and throttling is applied via exponential backoff. Each phase emits a row-count reconciliation report before the next phase begins.
Cutover, delta sync, and automation rebuild handoff
We freeze writes to TalentLyft during cutover and run a final delta migration of any records modified during the migration window. We enable Bullhorn as the system of record and deliver the automation audit document listing every TalentLyft Automation Rule and email template requiring rebuild. We deliver the custom field mapping table and the pipeline-stage mapping table as reference documents for the Bullhorn admin. We support a one-week hypercare window for reconciliation issues. We do not rebuild TalentLyft automations in Bullhorn Automation; that is a separate engagement or internal admin task.
Platform deep dives
TalentLyft
Source
Strengths
Weaknesses
Bullhorn ATS & CRM
Destination
Strengths
Weaknesses
Complexity grading
Standard HRMS migration. All 7 core objects map 1:1 between TalentLyft and Bullhorn ATS & CRM.
Overall complexity
Standard migration
Derived from compatibility, mapping clarity, API constraints, and data volume across TalentLyft and Bullhorn ATS & CRM.
Object compatibility
All 7 core objects map 1:1 between TalentLyft and Bullhorn ATS & CRM.
Field mapping clarity
Field mapping is derived from defaults — final spec confirmed during the sample migration.
Timeline complexity
7-object category — typical timelines run 2–7 days end-to-end.
API constraints
TalentLyft: Not publicly documented in available documentation.
Data volume sensitivity
TalentLyft doesn't expose a bulk API — REST + parallelization used for high-volume runs.
Estimator
Rule-based pricing — no per-record fees, no manual quotes. Migrations over 2M records are scoped individually.
Step 1
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