Flat Files

Flat Files

Access daily historical market data files with our S3 file interface - a seamless extension of your subscription. Included in both individual and business plans, flat file downloads offer convenient alternatives to APIs.

The depth of your file access directly mirrors the tier of your subscription.

Supported S3 Clients

Polygon.io rigorously tests and supports four widely recognized S3 clients to ensure compatibility and user convenience. These include:

Rclone  →
Rclone →
Rclone facilitates data synchronization between your local system and S3 storage.
AWS S3 CLI →
AWS S3 CLI →
The AWS S3 CLI is a powerful tool designed to interact with Amazon S3.
MinIO →
MinIO →
MinIO client works seamlessly with any S3 compatible cloud storage.
Python Boto3 SDK →
Python Boto3 SDK →
Boto3 is the AWS SDK for Python, enabling use of services like S3 in Python applications.