Mailchimp to PostgreSQL integration

Connect Mailchimp to PostgreSQL and automatically sync your marketing platform data.

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Mailchimp

Data source

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CONNECTOR SOURCE

Mailchimp to PostgreSQL

Connect Mailchimp to PostgreSQL and automatically sync your marketing platform data. Weld extracts Lists, Campaigns, Members, and Reports from Mailchimp, loads them into PostgreSQL, and lets you transform the data using SQL or dbt, no custom scripts required.

Mailchimp data schema

26tables

275fields

17relationships

- Table

- Sub table

React Flow

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Everything you need to get started

Mailchimp

Setup guide Data schema26 tables Connector page

PostgreSQL

Setup guide Connector page

Weld Connect API

Set up programmatically

Use the Weld Connect REST API to create Mailchimp connections, configure ELT syncs, and manage pipelines entirely through code. Built for embedding, automation, and CI/CD workflows.

Explore Weld Connect API reference

POST/elt_syncs

# Create a Mailchimp ELT sync
curl -X POST https://connect.weld.app/elt_syncs \
  -H "x-api-key: $API_KEY" \
  -d '{
    "connection_id": "conn_abc123",
    "integration_id": "mailchimp",
    "destination_schema_name": "mailchimp_data",
    "sync_interval": "0 * * * *"
  }'
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FAQs

How do I sync Mailchimp data to PostgreSQL?

Sign up for Weld, connect Mailchimp as a source and PostgreSQL as a destination. Weld handles the extraction, loading, and lets you transform data using SQL or dbt.

What Mailchimp data can I sync to PostgreSQL?

You can sync Lists, Campaigns, Members, Reports, and Automations. The available objects depend on your Mailchimp account permissions and configuration.

How often does Weld sync data from Mailchimp?

Sync frequency depends on your Weld plan. Schedules range from every 5 minutes to daily intervals. Each sync processes only new and changed data.

Can I transform Mailchimp data before it lands in PostgreSQL?

Yes. Weld supports SQL-based transformations in the platform and integrates with dbt Cloud. You can clean, join, and model your data before analysis.

Is the Mailchimp to PostgreSQL integration secure?

Yes. Weld encrypts all data in transit and at rest, is SOC 2 Type II certified, and supports IP whitelisting. Credentials are stored encrypted and never logged.