Bulk Campaigns

Bulk campaigns let you send the same document to many recipients with per-recipient tracking.

What you need

• A CSV or Excel file containing recipient data
• A PDF that meets the normal upload requirements
• A valid return address

Recommended recipient file headers

recipient_name,company,address_line1,address_line2,city,state,postal_code

Required fields:

• recipient_name
• address_line1
• city
• state
• postal_code

If you start from Excel

1. Confirm row 1 contains column names.
2. Choose Save As.
3. Export as CSV UTF-8 (Comma delimited).
4. Upload the CSV and confirm field mapping in KiteCourier.

Processing details

• Addresses are validated automatically before mail is created.
• Invalid addresses are excluded and not charged.
• Each successful letter receives its own USPS tracking number.
• Bulk sends are processed in the background.
• The current send rate targets up to 140 letters every 5 seconds to stay below provider rate limits.

Bulk pricing notes

• Standard certified mail pricing applies per recipient.
• Return receipt is included with all bulk letters.
• Failed addresses are not charged.
• Organization accounts may have custom pricing.

Common file issues

• Save CSV files as UTF-8 to preserve special characters.
• Quote fields that contain commas.
• Remove blank rows before upload.
• Expect common headers like name, address, and zip to be auto-mapped when possible.

Need help?

Send support the campaign ID plus a sample row from the upload file if mapping or validation fails.

Contact support