# Migrate customers from Odoo v15 to v18 in batches with manual trigger
This automation template enables safe and controlled migration of customer data between different Odoo versions — from v15 to v18. It is ideal for organizations upgrading their ERP system and requires minimal intervention after setup.
## Who it´s for
- Odoo administrators handling version-to-version migrations
- IT specialists in companies updating their ERP systems
- Integrators working with Odoo who need phased data transfer
## What the automation does
- Retrieves customer data from Odoo v15 via API
- Splits data into batches for safe processing
- Sequentially creates customers in Odoo v18
- Triggered manually via test trigger
- Allows control over the volume of data transferred per run
## What´s included
- Ready-to-use workflow for n8n
- Trigger and handler logic
- Integrations with Odoo v15 and Odoo v18 via API
- Basic text instructions for launch and adaptation
## Requirements for setup
- Access to an Odoo v15 instance with read permissions for customers
- Access to an Odoo v18 instance with create permissions for customers
- An n8n account with workflow import capability
- API keys or credentials to connect to both Odoo instances
## Benefits and outcomes
- Prevents system overload through batch processing
- Ensures transparency during migration
- Enables test runs before full migration
- Reduces manual effort in data copying
- Supports repeatable transfers between staging and production environments
- Accelerates upgrade to Odoo v18 without data loss
## Important: template only
Important: you are purchasing a ready-made automation workflow template only. Rollout into your infrastructure, connecting specific accounts and services, 1:1 setup help, custom adjustments for non-standard stacks and any consulting support are provided as a separate paid service at an individual rate. To discuss custom work or 1:1 help, contact via chat
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