Import subscribers from CSV

Import subscribers from a CSV file into your publication. The publication is identified by the API key provided in the Authorization header.

File Requirements:

• Maximum file size: 10MB
• Content type: text/csv

Supported CSV Columns:

• Email: email or subscriberEmail (case-insensitive)
• Wallet: wallet_address (case-insensitive)
• Created date: created_at, subscription date, created, or createdAt (case-insensitive, optional)

At least one of email or wallet_address must be present for each row. Rows with neither valid email nor valid wallet address will be skipped.