account | DynamicAccount | Yes | - | Select the Snapchat Ads account that owns the audience. |
audience_id | string or SelectItem | Yes | - | Snapchat Customer List audience segment ID. |
schema_type | string or SelectableOption | No | {'value': 'EMAIL_SHA256', 'label': 'Emails'} | Identifier type for this batch (one type per run): EMAIL_SHA256 (default), PHONE_SHA256, or MOBILE_AD_ID_SHA256. |
users | array of string or string | Yes | - | The identifiers, as a list or comma/newline separated text. Plain values (emails, phone numbers with country code, mobile ad IDs) are normalized per Snapchat’s rules and SHA-256 hashed automatically; already-hashed 64-character values are passed through as-is. Up to 100,000 identifiers per request (larger lists are chunked). |