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campaigns/export creates a fresh CSV and returns a short-lived presigned download URL. It does not persist export configuration, so calling it again is the supported way to change filters or refresh an expired URL.

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Contact limits

Omit maxContactsPerAccount to include every available contact. Pass a positive integer to cap contacts per account.
Pass 0 to create an account-only file with one row per account and no contact columns populated.

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Contact filters

Use hasMobilePhone and hasEmail to require contactability:
When both values are true, a contact is included when it has a mobile phone or an email address.

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Download handling

The response describes the generated file and row counts:
url is presigned and embeds its own credentials. Download it without an Authorization header. Treat the URL itself as a secret: anyone who has it can fetch the file until urlExpiresAt (about one hour). The UTF-8 byte-order mark improves compatibility with spreadsheet applications. Exports require an enriched campaign with unexpired results.

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Columns

API exports always contain the standard DataLane column catalog, regardless of how the campaign was created. For campaigns tied to a customer data graph, a CSV sync in the DataLane application can additionally include graph-specific columns (customer warehouse columns, traits, and custom enrichments); those columns are not available through this endpoint.