FTP to Amazon S3 integration

Connect FTP to Amazon S3 and automatically sync your file storage data.

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FTP

Data source

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CONNECTOR SOURCE

FTP to Amazon S3

Connect FTP to Amazon S3 and automatically sync your file storage data. Weld extracts Files, Folders, and Documents from FTP, loads them into Amazon S3, and lets you transform the data using SQL or dbt, no custom scripts required.

Everything you need to get started

FTP

Setup guide Connector page

Amazon S3

Setup guide Connector page

Weld Connect API

Set up programmatically

Use the Weld Connect REST API to create FTP 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 FTP ELT sync
curl -X POST https://connect.weld.app/elt_syncs \
  -H "x-api-key: $API_KEY" \
  -d '{
    "connection_id": "conn_abc123",
    "integration_id": "ftp",
    "destination_schema_name": "ftp_data",
    "sync_interval": "0 * * * *"
  }'
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FAQs

How do I sync FTP data to Amazon S3?

Sign up for Weld, connect FTP as a source and Amazon S3 as a destination. Weld handles the extraction, loading, and lets you transform data using SQL or dbt.

What FTP data can I sync to Amazon S3?

You can sync Files, Folders, and Documents. The available objects depend on your FTP account permissions and configuration.

How often does Weld sync data from FTP?

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 FTP data before it lands in Amazon S3?

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 FTP to Amazon S3 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.