CRM migration
Field-level mapping, validation, and rollback between Cronberry and Twenty CRM. We move data and schema; workflows are rebuilt natively in Twenty CRM.
Cronberry
Source
Twenty CRM
Destination
Compatibility
6 of 10
objects map 1:1 between Cronberry and Twenty CRM.
Complexity
BStandard
Timeline
3-5 weeks
Overview
Cronberry's most significant migration barrier is the absence of a publicly documented REST API. The platform's GitHub repositories contain only client-side webpush SDKs, not a full data export interface. We handle this by coordinating with Cronberry's internal tools or direct database access, extracting structured CSV or JSON dumps of Contacts, Campaigns, Segments, and Templates before migration begins. Cronberry's contact deduplication is unreliable, producing duplicate records for the same physical contact; we identify and merge probable duplicates using name, email, and phone matching before importing into Twenty. Smart Segments built from field-value conditions cannot be exported as reusable schemas, so we reverse-engineer each segment by querying membership and documenting the implied conditions for manual rebuild in Twenty's grouping system. We migrate Contacts with tag associations, Companies, Deals, Opportunities, Activities (event logs), Users, and message Templates. Landing Pages, Forms, Workflows, and automations do not migrate; we deliver a written inventory of these for the customer's admin to rebuild in Twenty. Twenty CRM is an open-source, API-first CRM with self-hosting capability, approximately 40,000 GitHub stars, and active development. Early-stage platform users report occasional stability issues which the core team has acknowledged and is actively addressing.
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 Cronberry object lands in Twenty CRM, including any object-level transformations, lookup resolution, or schema-design dependencies.
Typical mapping — final map is confirmed during the sample migration step.
Cronberry
Contact
Twenty CRM
Person
1:1Cronberry Contact records map to Twenty's Person object, which represents individual contacts. We preserve email, phone, name fields, and custom field values. Cronberry's tag associations transfer to Twenty as custom text or multi-select fields (chosen during scoping). The critical pre-migration step is deduplication: Cronberry's unreliable repeat-contact detection means a single physical contact may exist as multiple records. We identify probable duplicates by matching on name, email, and phone, present a deduplication report to the customer, and merge before importing into Twenty to avoid contaminating the new workspace.
Cronberry
Company
Twenty CRM
Company
1:1Cronberry Company records map directly to Twenty's Company object. Field-level mapping is required because Cronberry's company schema varies by implementation and may include custom properties. We extract company name, domain, address fields, and any custom fields, then map them to Twenty's Company fields. Company is imported before Person records so that the relationship can be resolved during Person import via company domain matching.
Cronberry
Deal
Twenty CRM
Opportunity
1:1Cronberry Deals map to Twenty's Opportunity object. Each Opportunity receives a name, amount, close date, and stage. The stage mapping is designed during scoping based on Cronberry's deal pipeline stages. Closed-Lost and Closed-Won reasons from Cronberry custom fields migrate to Opportunity custom fields for audit and reporting continuity.
Cronberry
Campaign
Twenty CRM
Custom Object or Opportunity grouping
lossyCronberry Campaigns carry channel information (Email, SMS, Push, WhatsApp), timing rules, and target segment assignments. Twenty does not have a native Campaign object, so we map Campaigns to either a custom Campaign object (created via Twenty's custom object API) or to Opportunity groupings by campaign. Campaign-channel associations are documented in the mapping spec for the customer to configure manually in Twenty's channel setup. Campaign timing rules do not migrate as automations.
Cronberry
Smart Segment
Twenty CRM
Custom Field or Grouping
lossyCronberry Smart Segments are defined by conditional rules against contact field values. These rules are not exported as reusable schemas. We reverse-engineer segment membership by querying which contacts belong to each segment, then derive the implied conditions from the contact field data and document them. In Twenty, segments can be modeled as custom filter views or as tag-based groupings via the API. We deliver a written segment reconstruction guide specifying the conditions for each original Cronberry Smart Segment so the customer's admin can rebuild them in Twenty's workspace.
Cronberry
Event Log / Behavioral Tracking
Twenty CRM
Activity
1:1Cronberry tracks behavioral events (opens, clicks, push interactions) as Event Logs. These map to Twenty's Activity records with activity type, timestamp, and related Person or Company. Event schema may require field mapping because behavioral event properties differ between platforms. We extract event type, event date, and any associated contact reference, then map to Twenty Activity with the activity type field set to reflect the original Cronberry event category.
Cronberry
User / Agent
Twenty CRM
Workspace User
1:1Cronberry User and agent records map to Twenty workspace members. We extract user name, email, and role where available. Role and permission structures differ significantly between platforms; we migrate basic user identity and defer permission model configuration to the customer's admin post-migration. Active/inactive status is preserved.
Cronberry
Template (Email, SMS, Push)
Twenty CRM
Template
1:1Message templates with personalization variables are migratable. We extract template content and variable placeholders from Cronberry's template storage. Rich formatting (HTML in email templates, character encoding in SMS templates) may require adjustment for Twenty's template format. We deliver a template migration report listing each template's content, variable placeholders, and channel type for manual import into Twenty's template system.
Cronberry
Channel Configuration
Twenty CRM
Channel Configuration
lossyCronberry's multi-channel setup stores channel credentials and API keys for Email, SMS, Push, and WhatsApp. These credentials (API keys, sender IDs, domain authentication records) cannot be exported for security reasons and must be reconfigured manually in Twenty's channel settings. We document the channel types active in Cronberry and provide a setup checklist for the customer's admin to configure in Twenty.
Cronberry
Custom Object (Form-level)
Twenty CRM
Custom Field
lossyCronberry form-level custom fields extend the Contact and Company schemas. These map to Twenty custom fields on the Person and Company objects. We extract the field definitions (name, type, options for picklists), create corresponding custom fields in Twenty's schema via the API, then migrate the field values during the Person or Company import phase. Custom field types are mapped to Twenty field types (text, number, date, select, multi-select) during scoping.
| Cronberry | Twenty CRM | Compatibility | |
|---|---|---|---|
| Contact | Person1:1 | Fully supported | |
| Company | Company1:1 | Fully supported | |
| Deal | Opportunity1:1 | Fully supported | |
| Campaign | Custom Object or Opportunity groupinglossy | Fully supported | |
| Smart Segment | Custom Field or Groupinglossy | Fully supported | |
| Event Log / Behavioral Tracking | Activity1:1 | Fully supported | |
| User / Agent | Workspace User1:1 | Fully supported | |
| Template (Email, SMS, Push) | Template1:1 | Fully supported | |
| Channel Configuration | Channel Configurationlossy | Fully supported | |
| Custom Object (Form-level) | Custom Fieldlossy | Fully supported |
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.
Cronberry gotchas
No documented public API for bulk export
UI overhaul shipped without training or documentation
Smart Segment logic cannot be exported directly
Repeat-contact detection produces duplicate records
Twenty CRM gotchas
Import order is enforced and critical
Export limited to 20,000 records and visible columns only
Soft-deleted records count toward uniqueness and trigger restores
API rate limits cap at 200 req/min on Organization tier
No native email sequences — follow-up cadences require external tools
Pair-specific challenges
Migration approach
Export coordination with Cronberry
We initiate data export coordination with Cronberry's support team to obtain structured data dumps. Because Cronberry lacks a public API, we work with their internal export tools or direct database access where available. We request CSV or JSON exports of Contacts, Companies, Deals/Campaigns, Segments, Templates, and User records. This step is the primary timeline variable; we begin coordination during scoping and continue until export files are secured. We validate the export schema against the documented Cronberry data model and flag any missing fields immediately.
Data audit and deduplication
We run a full data quality audit on the exported files. We identify probable duplicate contacts by matching on name, email, and phone across the Contact export, generate a deduplication report showing the merge candidates, and present it to the customer's admin for approval before any merge action. We also identify Smart Segment membership by querying the segment-to-contact relationships in the export data, derive the implied field-value conditions for each segment, and document them for reconstruction. We flag any missing custom fields, incomplete records, or data anomalies at this stage.
Twenty workspace schema design
We design the destination schema in Twenty. This includes creating custom fields on Person and Company objects to receive Cronberry custom properties, creating a custom Campaign object (via Twenty's custom object API) if campaign migration is in scope, configuring workspace-level field types and picklists to match Cronberry's data, and designing the Opportunity schema with stage mapping from Cronberry's deal pipeline. We deploy schema changes to a Twenty sandbox or development workspace first for validation.
Sandbox migration and reconciliation
We run a full migration into a Twenty sandbox workspace (or development instance) using production-like data volume. The customer's admin reconciles record counts (Contacts imported, Companies imported, Deals imported, Activities imported), spot-checks 25-50 random records against the Cronberry source, and validates that deduplication merged correctly. Any mapping corrections, missing field additions, or custom object schema adjustments happen in this phase before production migration begins.
Production migration in dependency order
We run production migration in record-dependency order: Companies (imported first to establish the organizational hierarchy), Persons (with deduplication applied, Company relationship resolved via domain matching), Opportunities (with Person and Company lookups resolved), Activities (event logs mapped to Twenty Activity records), Segments (documented for manual rebuild in Twenty), Templates (delivered as a content migration report for manual import), and Users (mapped to Twenty workspace members). Each phase emits a row-count reconciliation report before the next phase begins.
Cutover, validation, and automation inventory handoff
We freeze Cronberry writes during cutover, run a final delta migration of any records modified during the migration window, then enable Twenty as the system of record. We deliver the Smart Segment reconstruction guide, the Workflow and automation inventory document, and the channel setup checklist to the customer's admin. We support a one-week hypercare window where we resolve any reconciliation issues raised by the customer's team. We do not rebuild Cronberry workflows or automations inside the migration scope; that is documented for manual rebuild or a separate engagement.
Platform deep dives
Cronberry
Source
Strengths
Weaknesses
Twenty CRM
Destination
Strengths
Weaknesses
Complexity grading
Standard CRM migration. 2 of 8 objects need a mapping; the rest are 1:1.
Overall complexity
Standard migration
Derived from compatibility, mapping clarity, API constraints, and data volume across Cronberry and Twenty CRM.
Object compatibility
2 of 8 objects need a mapping; the rest are 1:1.
Field mapping clarity
Field mapping is derived from defaults — final spec confirmed during the sample migration.
Timeline complexity
8-object category — typical timelines run 2–7 days end-to-end.
API constraints
Cronberry: Not publicly documented..
Data volume sensitivity
Cronberry 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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