CRM migration

Migrate from Apollo ERP to HubSpot

Field-level mapping, validation, and rollback between Apollo ERP and HubSpot. We move data and schema; workflows are rebuilt natively in HubSpot.

Apollo ERP logo

Apollo ERP

Source

HubSpot

Destination

HubSpot logo

Compatibility

100%

15 of 15

objects map 1:1 between Apollo ERP and HubSpot.

Complexity

BStandard

Timeline

2–4 weeks

Rollback included Accuracy guarantee Field-level validation

Overview

What this migration involves

Apollo.io is a sales intelligence and prospecting platform built around contact and account enrichment, sequences for outbound email automation, and a deal tracker. HubSpot is a full CRM that manages the complete customer lifecycle — contacts, companies, deals, support tickets, and custom objects — with its own automation, reporting, and inbound tools. Migrating from Apollo.io to HubSpot means shifting from a data-enrichment layer sitting atop a CRM into a native CRM where enrichment, pipeline management, and customer lifecycle tracking live in one place. FlitStack AI extracts Apollo.io contacts, accounts, opportunities, and custom fields via the Apollo REST API, maps them to HubSpot CRM objects, and handles field-level value transformations for deal stages, industry pick-lists, and custom field types. We preserve original create timestamps, owner assignments, and activity history (calls, emails, meetings, notes) as HubSpot engagements. Apollo sequences and engagement metrics tied to Apollo's email infrastructure (open rates, reply rates, sender reputation) do not migrate — those require a rebuild in HubSpot's workflow and email tools. Apollo's enrichment engine can overwrite HubSpot edits during sync, which we address with data-writing rules configured before migration. The migration uses HubSpot's Imports API for bulk structured loads and CRM APIs for field-level validation. All standard and custom objects migrate within HubSpot's stated rate limits and monthly processing quotas. Complex migrations with 50+ custom fields or multi-value pick-lists land in the upper pricing tier.

Field-level fidelity

Every standard and custom field arrives verified.

Schema-aware mapping

AI proposes the map; you confirm before any record moves.

Relationships preserved

Parent–child, lookups, and ownership stay linked.

Full activity history

Calls, emails, meetings — with original timestamps.

Attachments & notes

Documents, uploads, and inline notes move with the record.

Why teams make this switch

Two sides of the same decision

Leaving

Apollo ERP logo

Apollo ERP

What's pushing teams away

  • Leave management module is reported to produce conflicts and inconsistencies, particularly around carry-forward rules and leave balance calculations.
  • Documentation and knowledge base articles are not kept current when system updates are released, forcing users to rely on support rather than self-service troubleshooting.
  • Outdated user interface and slow performance in certain workflows frustrate users accustomed to modern SaaS experiences.
  • Limited third-party integration ecosystem makes it difficult to connect Apollo ERP with best-of-breed tools for specific vertical needs.
  • Support response times and quality are inconsistent, particularly for complex configuration issues that require deep product knowledge.

Choosing

HubSpot logo

HubSpot

What's pulling them in

  • Lowest barrier to entry of any major CRM — the free tier with unlimited contacts lets teams validate fit before committing to a paid plan, according to G2 and Capterra reviewers.
  • Native integration between the CRM and sales engagement tools (sequences, email tracking, dialer) means no separate sync configuration, a theme across G2 Sales Hub reviews.
  • Pipeline visualization, deal tracking, and automated workflows are consistently praised as intuitive and easy to set up without developer involvement.
  • Strong onboarding for new team members — reviewers on Capterra and G2 highlight how quickly new reps become productive without formal training.
  • The HubSpot platform ecosystem (Marketing, Sales, Service, CMS hubs) allows growing companies to consolidate tools without building new integrations.

Object mapping

How Apollo ERP objects map to HubSpot

Each row shows how a Apollo ERP object lands in HubSpot, including any object-level transformations, lookup resolution, or schema-design dependencies.

Typical mapping — final map is confirmed during the sample migration step.

Apollo ERP

Contact

maps to

HubSpot

Contact

1:1
Fully supported

Apollo contact maps 1:1 to HubSpot contact. All standard properties (name, email, phone, title, address) migrate as HubSpot native fields. Records without email are flagged and excluded — HubSpot enforces one email per contact, and there is no override or bulk exception for this requirement.

Apollo ERP

Account

maps to

HubSpot

Company

1:1
Fully supported

Apollo account maps to HubSpot company. Company name, domain, industry, employee count, annual revenue, and founded year migrate as native HubSpot company properties. Industry values require pick-list alignment — Apollo industry values not in HubSpot's default list are added as custom pick-list values before migration runs.

Apollo ERP

Opportunity

maps to

HubSpot

Deal

1:1
Fully supported

Apollo opportunity maps to HubSpot deal. Deal name, amount, stage, close date, owner, and pipeline migrate. Deal stage is a HubSpot deal-stage pick-list value scoped to the specific pipeline — each Apollo stage value requires explicit value mapping before migration runs.

Apollo ERP

Custom Contact Field

maps to

HubSpot

Contact (custom property)

1:1
Fully supported

Apollo custom contact fields (string, number, date, boolean) migrate to HubSpot custom properties on the contact object. Each custom field is created in HubSpot before migration runs, using the same field type as the Apollo source. Type mismatches are flagged for admin review.

Apollo ERP

Custom Account Field

maps to

HubSpot

Company (custom property)

1:1
Fully supported

Apollo custom account fields map to HubSpot custom properties on the company object. Field type (string, number, date, boolean) is preserved exactly. Multi-select or pick-list fields require value alignment between Apollo's options and HubSpot's pick-list values before migration.

Apollo ERP

Custom Opportunity Field

maps to

HubSpot

Deal (custom property)

1:1
Fully supported

Apollo custom opportunity fields migrate to HubSpot deal custom properties. Number and date fields migrate cleanly. Pick-list fields require value mapping — stage-probability or forecast-category fields from Apollo need HubSpot equivalents created before migration.

Apollo ERP

Email Activity

maps to

HubSpot

Engagement (email log)

1:1
Fully supported

Apollo email logs migrate as HubSpot engagement records with type 'email'. Original send timestamp, sender, recipient, and subject line are preserved. Open rates, click rates, and reply rates tied to Apollo's sending infrastructure do not transfer — those metrics belong to Apollo's email engine.

Apollo ERP

Call Activity

maps to

HubSpot

Engagement (call log)

1:1
Fully supported

Apollo call records migrate as HubSpot engagements with type 'call'. Call duration, direction (inbound/outbound), outcome, and original timestamp are preserved. Call recording URLs stored in Apollo custom fields migrate as HubSpot custom properties — the audio files are not rehosted automatically.

Apollo ERP

Note

maps to

HubSpot

Engagement (note)

1:1
Fully supported

Apollo notes migrate as HubSpot engagement notes. Original author, timestamp, and note body are preserved. Notes attached to specific contacts, accounts, or opportunities are linked to the corresponding HubSpot record by unique identifier.

Apollo ERP

Sequence

maps to

HubSpot

HubSpot Workflow (manual rebuild)

1:1
Fully supported

Apollo sequences have no native HubSpot equivalent and cannot be migrated directly. FlitStack exports complete sequence definitions — including step timing, email templates, step conditions, and personalization tokens — as a structured rebuild reference for HubSpot Automation workflows. Each sequence must be manually rebuilt in HubSpot using the exported definitions.

Apollo ERP

Contact–Account Association

maps to

HubSpot

Contact–Company Association

1:1
Fully supported

Apollo contacts linked to accounts migrate with the primary account reference preserved. HubSpot associates contacts with companies via the company association on the contact record. Multiple-account contacts from Apollo are linked to the primary account only — secondary associations are documented in a gap report.

Apollo ERP

Contact–Opportunity Association

maps to

HubSpot

Deal–Contact Association

1:1
Fully supported

Apollo contacts linked to opportunities migrate as deal-contact associations in HubSpot. The association is preserved by matching contact email and opportunity ID. Contacts without email are excluded from migration, and this breaks the association for those records.

Apollo ERP

Apollo Owner

maps to

HubSpot

HubSpot User

1:1
Fully supported

Apollo owner records (sales rep, SDR) resolve to HubSpot users by email address match. Unmatched owners are flagged before migration — the team either invites the user to HubSpot first or assigns records to a designated fallback owner. No record lands without a valid HubSpot owner.

Apollo ERP

LinkedIn URL / Intent Signal

maps to

HubSpot

Custom Property (reference field)

1:1
Fully supported

Apollo's enrichment data — LinkedIn profile URL, buyer intent signals, technology stack — has no native HubSpot equivalent. These migrate as custom properties on the contact record, preserved for reference but not surfaced in HubSpot's standard UI without custom card setup.

Apollo ERP

Apollo hs_lead_status

maps to

HubSpot

Contact lifecyclestage

1:1
Fully supported

If Apollo stores lead status as a custom field, it maps to HubSpot's lifecyclestage property. Value mapping is required — Apollo's custom status labels must be matched to HubSpot's standard lifecycle stage values or added as a separate custom pick-list.

Gotchas + challenges

What specifically takes care here

Platform-specific issues from each side, plus the pair-specific challenges that don't show up on either platform's page on its own.

Apollo ERP logo

Apollo ERP gotchas

High

Leave balance carry-forward errors on year-end migration

Medium

Chart of Accounts mapping requires manual chart design review

Medium

API rate limits throttle bulk export on lower-tier plans

HubSpot logo

HubSpot gotchas

High

Marketing Contacts billing model is migration-critical

High

Feature tier gating is not visible until onboarding

Medium

Mandatory onboarding fees inflate year-one cost

Medium

HubSpot CSV importer cannot migrate engagements or attachments

Medium

Custom objects require Enterprise and a pre-existing schema

Pair-specific challenges

  • HubSpot enforces one email per contact — Apollo contacts without email are silently skipped

    HubSpot's data model requires a unique email address on every contact record — there is no override, work-around, or bulk exception. Apollo.io allows contacts to exist without an email address, particularly for prospecting records where a phone number or LinkedIn profile is the primary identifier. During migration, every Apollo contact with a blank or null email field is silently excluded from the import and appears in a gap report. You must decide whether to enrich those contacts with email before migration or exclude them permanently. FlitStack flags all affected records during the audit phase so this decision is made before any data moves.

  • Apollo–HubSpot integration requires field mapping within a 6-hour configuration window

    When the Apollo–HubSpot integration is first connected, Apollo provides a 6-hour window to configure sync settings and field mapping before auto-sync activates. This window applies to ongoing sync configuration, not just initial setup. If the integration is connected but field mapping is not completed within 6 hours, Apollo defaults to its standard field set and your custom fields, deal stages, and activity mappings may not sync. For the migration, this window applies to configuring the data-writing rules that control whether Apollo overwrites HubSpot fields or leaves existing values intact — this decision must be made proactively before the integration is activated.

  • Apollo enrichment overwrites HubSpot fields — manual edits in HubSpot can be silently replaced

    Apollo's enrichment engine automatically pushes updated field data to HubSpot whenever fresher data is available from its B2B database. This means a contact's job title, company size, or industry in HubSpot can be silently overwritten by Apollo's enrichment on the next sync — even if your sales team manually corrected that data in HubSpot. During the migration, this risk applies to any Apollo field that overlaps with HubSpot's standard properties. We address this by configuring data-writing rules before migration runs: fields your team maintains in HubSpot are set to 'do not overwrite', and enrichment data is redirected to custom properties so your CRM edits are preserved.

  • Apollo deal and activity sync timing adds 15 minutes to 24 hours of lag after API completion

    Apollo's own documentation states that while contacts and companies sync within 15–30 minutes of a record change, deals and activities can take up to 24 hours to fully appear in HubSpot — particularly for large bulk syncs or during the initial sync run. This lag is not a migration-specific issue but a platform-level timing characteristic of the Apollo–HubSpot integration. For the migration, this means that even after FlitStack completes the API load, deal records and activity history may continue to surface in HubSpot over the following 24 hours. We account for this by running a post-migration monitoring window and validating deal and activity counts after the 24-hour settling period.

  • Apollo engagement metrics (opens, clicks, replies) belong to Apollo's email engine, not HubSpot

    Apollo tracks email engagement metrics — open rates, click rates, reply rates, and sender reputation scores — using its own sending infrastructure and tracking pixels. These metrics are tied to Apollo's email domain and tracking system, not HubSpot's. When contacts and email history migrate to HubSpot, the engagement records themselves transfer but the open/click/reply data does not, because it was generated by Apollo's email engine. In HubSpot, those records show as sent emails without engagement scores. Apollo's intent signals (buyer intent data derived from enrichment) similarly have no HubSpot equivalent and migrate as custom reference fields only.

Migration approach

Six steps for a successful Apollo ERP to HubSpot data migration

  1. Audit Apollo data and identify migration scope

    FlitStack extracts a complete inventory of Apollo contacts, accounts, opportunities, custom fields, and activity records via the Apollo REST API. We map all field names and data types, identify the activity volume (emails, calls, meetings, notes), and assess deal stage value counts. This audit reveals the record counts that drive pricing, the custom field count that determines mapping complexity, and any data quality issues — particularly contacts without email addresses that will fail HubSpot's import requirements. The audit output is a migration scope document you review before any data movement begins.

  2. Configure Apollo–HubSpot field mapping and data-writing rules

    We create a detailed field mapping document that pairs every Apollo field with its HubSpot equivalent — specifying which fields are direct maps, which require value mapping (industry, deal stage), and which require HubSpot custom properties to be created. For the Apollo–HubSpot integration specifically, we configure data-writing rules that determine whether Apollo enrichment overwrites HubSpot fields or leaves existing values intact. We set enrichment-target fields to 'do not overwrite' for any field your team maintains in HubSpot, and we configure the 6-hour configuration window settings so the sync rules are locked before auto-sync activates.

  3. Create HubSpot custom properties and align pick-list values

    Before migration runs, FlitStack creates all required HubSpot custom properties for fields that have no native HubSpot equivalent — custom string, number, date, and boolean properties on contacts, companies, and deals. For industry pick-list fields, we export Apollo's industry values and add them as HubSpot pick-list options so the migration can write industry data without validation errors. For deal stages, we align Apollo's stage names with HubSpot's pipeline stage values. This step requires a HubSpot admin to approve property creation — we deliver the complete property specification so your admin can review and approve in bulk.

  4. Validate field mapping with a test batch before full migration

    A representative slice of Apollo records — typically 200–500 records spanning contacts, accounts, deals, and activity — migrates to a HubSpot staging environment or a separate test portal. We validate that all mapped fields appear correctly in HubSpot, that company associations resolve properly, that deal stages map to the correct pipeline values, and that activity history attaches to the right records. Contacts without email addresses appear in the error log confirming they were skipped. The test run reveals any field mapping gaps or pick-list mismatches before the full migration commits, giving your team a chance to adjust the mapping plan.

  5. Execute full migration and monitor HubSpot API rate limits

    The full migration runs against HubSpot using the Imports API for bulk structured loads and CRM APIs for field-level validation. FlitStack monitors HubSpot's API rate limits — the Exports API and CRM APIs each have documented limits that affect how fast large record sets can ingest. Large activity-history imports are batched to avoid hitting quota limits mid-run. We track the number of records loaded, errors encountered, and skipped records (contacts without email, unmatched owners). Because Apollo's deal and activity sync can add a 15-minute to 24-hour lag even after API completion, we monitor HubSpot's processing queue for up to 24 hours after the last API call.

  6. Delta-pickup window and final reconciliation audit

    A delta-pickup window (24–48 hours) captures any Apollo records created or modified during the migration and cutover period — your team keeps working in Apollo during this time and those changes sync to HubSpot. After the delta window closes, FlitStack delivers a reconciliation audit comparing Apollo record counts to HubSpot record counts by object type, flagging any remaining gaps. Contacts skipped due to missing email, and any records where owner resolution failed, appear in a separate gap report with recommended actions. The audit log is available for 48 hours post-migration in case a rollback is needed.

Platform deep dives

Context on both ends of the pair

Apollo ERP logo

Apollo ERP

Source

Strengths

  • Integrated HR, payroll, and finance in a single platform reduces data silos and reconciliation effort for SMBs.
  • Strong payroll module with multi-state or multi-country compliance capabilities for Indian and South Asian deployments.
  • FSM and manufacturing modules provide work order tracking, job costing, and supply chain visibility for operational businesses.
  • Affordable entry pricing makes the platform accessible without large upfront capital expenditure.
  • Centralized database means customer and employee data share a single source of truth across modules.

Weaknesses

  • Leave management module is known to produce calculation conflicts and requires careful configuration and testing.
  • User interface is dated compared to modern SaaS platforms, affecting user adoption and day-to-day efficiency.
  • Third-party integrations are limited, restricting connectivity to best-of-breed tools for CRM, BI, or specialized vertical applications.
  • Documentation lags behind product updates, making self-service troubleshooting difficult for non-standard configurations.
  • Support quality and response times are inconsistent, particularly for complex configuration or migration-related issues.
HubSpot logo

HubSpot

Destination

Strengths

  • Genuinely useful free CRM tier with no seat limit on contact records.
  • All-in-one sales engagement layer (sequences, email tracking, calling, dialer) embedded natively in the CRM, eliminating a separate integration.
  • Intuitive interface and fast onboarding for individual reps, per G2 and Capterra reviews.
  • Workflow automation triggers across contacts, deals, and tickets with a visual builder.
  • API coverage for all standard objects including custom objects at Enterprise tier.

Weaknesses

  • Pricing model is contact-based at the marketing layer — importing all records as marketing contacts can multiply the monthly bill by 4×.
  • Feature tier cliffs are frequent surprises: sequences, calling, advanced reporting, and quoting are all gated, often requiring plan upgrades mid-implementation.
  • Mandatory onboarding fees at Professional ($1,500) and Enterprise ($3,500) are not prominently disclosed on the pricing page.
  • API rate limits are restrictive for bulk migration — burst limits of 100-200 req/10sec and search endpoint limits of 4 req/sec require careful job queuing.
  • Custom objects, additional pipelines, and advanced forecasting are Enterprise-only, making cost projections difficult for growing teams.

Complexity grading

How hard is this migration?

Standard CRM migration. 2 of 8 objects need a mapping; the rest are 1:1.

B

Overall complexity

Standard migration

Derived from compatibility, mapping clarity, API constraints, and data volume across Apollo ERP and HubSpot.

  • Object compatibility

    B

    2 of 8 objects need a mapping; the rest are 1:1.

  • Field mapping clarity

    C

    Field mapping is derived from defaults — final spec confirmed during the sample migration.

  • Timeline complexity

    B

    8-object category — typical timelines run 2–7 days end-to-end.

  • API constraints

    B

    Apollo ERP: Not applicable..

  • Data volume sensitivity

    B

    Apollo ERP doesn't expose a bulk API — REST + parallelization used for high-volume runs.

Estimator

Estimate your Apollo ERP to HubSpot migration cost

Rule-based pricing — no per-record fees, no manual quotes. Migrations over 2M records are scoped individually.

Step 1

What are you migrating?

Pick a category, then your source and destination platforms.

Category

FAQ

Frequently asked questions about Apollo ERP to HubSpot data migrations

Answers to the questions buyers ask most during Apollo ERP to HubSpot migration scoping. Not seeing yours? Book a call.

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Migration timelines range from 2–4 weeks for under 10,000 Apollo records with clean field parity, to 4–8 weeks for large datasets or complex multi-custom-field setups. The data movement itself (API extraction and HubSpot import) typically completes within 48–72 hours of clock time. The longer phases are planning, field mapping configuration, and the 24-hour post-migration monitoring window that captures any remaining Apollo activity sync lag. Deal stages and activity history add the most planning time because each requires explicit value mapping before migration runs.

Adjacent paths

Related migrations to explore

Ready when you are

Move from Apollo ERP.
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