AUDIENCE_FILE_FORMAT_INVALID Invalid Audience File Format

The file you uploaded for custom audience creation isn't in the expected format. TikTok requires CSV or TXT files with specific column formatting, and data must be hashed (SHA256) or left plaintext for server-side hashing.

What causes this error?

The file you uploaded for custom audience creation isn’t in the expected format. TikTok requires CSV or TXT files with specific column formatting, and data must be hashed (SHA256) or left plaintext for server-side hashing.

How to fix it

1. Use CSV format: One identifier per line, no headers for single-column files.
2. Hashing: Either pre-hash all values with SHA256 (lowercase, no spaces) or select the ‘Not hashed’ option to let TikTok hash them.
3. Clean data: Remove blank rows, special characters, and ensure phone numbers include country codes.