Creates a campaign that a GetBill user must finish setting up in GetBill before snapshots can be submitted. Once the campaign is configured and activated there, the integration can synchronize it with snapshots.

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Authentication

Requires debts:write. The request body contains only name; other fields are rejected.
If the reference already exists for the OAuth company, the endpoint returns 200 and the stored campaign unchanged—even if the submitted name differs. Only a newly created campaign includes Location. Store only api_reference. Do not derive identity from the mutable display name. Use Get a Campaign to wait until setup is complete.