CRM migration
Field-level mapping, validation, and rollback between Rainbow CRM and Twenty CRM. We move data and schema; workflows are rebuilt natively in Twenty CRM.
Rainbow CRM
Source
Twenty CRM
Destination
Compatibility
8 of 10
objects map 1:1 between Rainbow CRM and Twenty CRM.
Complexity
CModerate
Timeline
3-5 weeks
Overview
Rainbow CRM has no publicly documented API, so every migration runs from the platform's CSV and JSON export formats. We extract Companies first so that Person imports can resolve company-name matches, then migrate Persons with email deduplication against an existing collision report, then Opportunities with stage labels remapped to Twenty's pipeline conventions. Custom fields present in Rainbow CRM's export schema get pre-created in Twenty via the Settings Data Model UI before any import batch runs. Activities export in a denormalized format and we reconstruct them as Tasks or Notes attached to the correct Person or Company record during import. We do not migrate Rainbow CRM workflows or automations; the written inventory of these is part of the standard handoff package for your admin to rebuild in Twenty's workflow builder. Attachment records do not appear in Rainbow CRM's documented export format and cannot be migrated through this path.
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 Rainbow CRM 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.
Rainbow CRM
Company
Twenty CRM
Company
1:1Rainbow CRM Companies export as flat records and map directly to Twenty's Company standard object. We import Companies first in every migration batch so that Person imports can satisfy the company-name lookup relationship that Twenty's Person schema supports. The export's company domain field maps to Twenty's website field and is used as a dedupe key if multiple company records share the same domain.
Rainbow CRM
Contact
Twenty CRM
Person
1:1Rainbow CRM Contacts map to Twenty's Person standard object. Standard fields (name, email, phone, address) migrate directly. Lifecycle stage is not a native field in Rainbow CRM and will not appear in exports; we create a custom picklist field on Person to capture any customer-defined stage data if present in the export schema. Email deduplication runs at import time against the full Person batch, and duplicate email conflicts are surfaced for customer review before records are committed.
Rainbow CRM
Lead
Twenty CRM
Person or Lead
1:1Rainbow CRM Leads export as a separate object but may share email addresses with existing Contacts, creating overlap in Twenty's Person records. We deduplicate at import time by comparing email addresses across the Contact and Lead batches, flagging any duplicate email conflicts for customer review before writing records. If the customer requires a separate Lead pipeline for unqualified prospects, we create a custom Person view filtered by a lead-status field rather than a separate object.
Rainbow CRM
Deal
Twenty CRM
Opportunity
1:1Rainbow CRM Deals map to Twenty's Opportunity standard object. The export includes pipeline stage labels in Rainbow CRM's internal naming convention, which do not match Twenty's default Opportunity stages. We present a stage mapping table during scoping and apply the agreed mapping before the first import batch. Closed-won and closed-lost outcomes migrate as Opportunity stage values rather than separate deal-state fields.
Rainbow CRM
Pipeline Stage
Twenty CRM
Opportunity Stage
lossyEach Rainbow CRM pipeline becomes a Twenty Opportunity pipeline with its own stage values. We configure the pipeline in Twenty's settings before migration, adding stages that correspond to the exported dealstage labels. Stage probability percentages are mapped from the Rainbow CRM export where present, or set to Twenty defaults for unmapped stages.
Rainbow CRM
Task
Twenty CRM
Task
1:1Rainbow CRM Tasks export as flat records without assignee user IDs. We map task titles, due dates, and descriptions directly. Assignee resolution requires a cross-reference against the Twenty workspace Members list after scoping; the customer's admin must invite all team members before migration so that assignee email addresses can be matched to Twenty User records and the TaskAssignee field can be populated.
Rainbow CRM
Activity (denormalized)
Twenty CRM
Task or Note
1:1Rainbow CRM exports activity history (calls, emails, meetings, notes) in a denormalized flat format. We reconstruct activity threads by parsing the export, grouping records by contact and timestamp, and creating individual Task records for each engagement event. Call disposition, duration, and meeting location fields map to custom fields on the Task record. Activity ordering is preserved by setting the Task due date and completion date to the original Rainbow CRM timestamp.
Rainbow CRM
Custom Field
Twenty CRM
Custom Field (on target object)
lossyRainbow CRM exposes a subset of custom fields in exports. We inspect the export schema during discovery and flag any custom properties that do not appear in the raw file. For fields that are present, we create matching custom fields in Twenty via Settings Data Model before the import batch runs. Fields must exist in Twenty before CSV import because the import creates records, not fields. This pre-creation step is the most common point of failure in CSV-based migrations and we treat it as a prerequisite.
Rainbow CRM
Custom Object
Twenty CRM
Custom Object
1:1Rainbow CRM custom objects export in the same flat format as standard objects if they are present in the export. We create the corresponding custom object in Twenty via the /metadata API, including all custom fields, field types, and any lookup relationships to standard objects. Custom object schema must be deployed before the standard object import so that lookup fields on imported records can resolve to the correct target.
Rainbow CRM
Owner
Twenty CRM
User
1:1Rainbow CRM Owner records reference team members on Contacts, Companies, Deals, and Tasks. We extract owner email addresses from the export and match them against the Twenty workspace Members list. Any owner without a matching Twenty User is held in a reconciliation queue; the customer's admin provisions the missing User account before record import resumes. Owner resolution is a dependency gate: no Opportunity or Task import runs until all Owner references can be resolved.
| Rainbow CRM | Twenty CRM | Compatibility | |
|---|---|---|---|
| Company | Company1:1 | Fully supported | |
| Contact | Person1:1 | Fully supported | |
| Lead | Person or Lead1:1 | Fully supported | |
| Deal | Opportunity1:1 | Fully supported | |
| Pipeline Stage | Opportunity Stagelossy | Fully supported | |
| Task | Task1:1 | Fully supported | |
| Activity (denormalized) | Task or Note1:1 | Fully supported | |
| Custom Field | Custom Field (on target object)lossy | Fully supported | |
| Custom Object | Custom Object1:1 | Fully supported | |
| Owner | User1:1 | 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.
Rainbow CRM gotchas
No public API means migration relies entirely on export files
Custom field coverage in exports is incomplete
Pipeline stage names differ from standard CRM conventions
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 audit and schema inspection
We request a full export package from Rainbow CRM during scoping: Companies CSV, Contacts CSV, Leads CSV, Deals CSV, Tasks CSV, and the Activities export if available. We inspect the schema of each file against the field inventory the customer expects to migrate, flag any custom fields that are missing from the raw export, and confirm the dealstage label set for pipeline mapping. We do not commit to migration scope until the export schema matches the customer's expected field coverage. If the export omits required fields, we surface the gap and adjust scope before touching production data.
Twenty workspace preparation and custom field pre-creation
We create all custom fields in Twenty before any import batch runs. This means going to Settings Data Model and creating every custom field that appears in the Rainbow CRM export but does not exist as a standard Twenty field. For custom objects, we call the /metadata API to provision the object and its fields. We also configure the Opportunity pipeline with stages that correspond to the Rainbow CRM dealstage labels. Finally, we confirm that all team members have been invited to the Twenty workspace and have accepted their invitations, because assignee email matching requires existing User records.
Export transformation and duplicate resolution
We transform the Rainbow CRM export files into Twenty-compatible CSV format: we rename columns to match Twenty's field names, apply the dealstage mapping table, format dates to ISO 8601, and normalize phone numbers. We run email deduplication across the combined Contact and Lead export and surface conflicts to the customer's admin for resolution before any records are written. We sequence parent records before children: Companies first, then Persons, then Opportunities, then Tasks, then Activities.
Test import into Twenty (dry run)
We run a full dry-run migration into a fresh Twenty workspace using production record counts. The customer's admin reviews the imported records against the source export, spot-checking field mappings and verifying that Person-Company lookups resolved correctly. Any mapping corrections are applied before the production migration begins. We do not proceed to production until the dry-run reconciliation report shows record counts within an acceptable variance and the admin has signed off.
Production migration in dependency order
We run production migration in record-dependency order: Companies first (no dependencies), then Persons (with company-name lookup resolved), then Opportunities (with Person and company references resolved), then Tasks (with assignee resolved against the User mapping), then Activities (reconstructed as Tasks and Notes linked to the correct Person or Company). Each phase emits a row-count reconciliation report before the next phase begins. During the production migration window, Rainbow CRM is placed in read-only mode to prevent new records from being created that would miss the migration cutover.
Cutover, validation, and automation handoff
We freeze Rainbow CRM writes during cutover, run a final delta migration of any records modified during the production migration window, then confirm Twenty as the system of record. We validate record counts, spot-check 25 random records against the source export, and deliver the written inventory of Rainbow CRM workflows and automations that require manual rebuild in Twenty's workflow builder. We provide a one-week hypercare window where we resolve any data issues raised by the customer's team. We do not rebuild Rainbow CRM automations as Twenty workflows inside the migration scope; that is a separate engagement or an internal admin task.
Platform deep dives
Rainbow CRM
Source
Strengths
Weaknesses
Twenty CRM
Destination
Strengths
Weaknesses
Complexity grading
Moderate CRM migration. 4 of 8 objects need a mapping; the rest are 1:1.
Overall complexity
Moderate migration
Derived from compatibility, mapping clarity, API constraints, and data volume across Rainbow CRM and Twenty CRM.
Object compatibility
4 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
Rainbow CRM: Not publicly documented.
Data volume sensitivity
Rainbow CRM 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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