freee has started posting “Sollective Sync (free version)” on the freee app store, linking freee accounting API with “請Q by Sollective”, an invoice creation service for freelancers and sideline workers provided by Solective. . “請Q by Sollective” is an invoice creation service developed by “Sollective”, a fully-examined platform specializing in freelancers and sideline workers. By linking with freee accounting, it is now possible to automatically link invoices created with “請Q by Sollective” to freee accounting and reflect them in transaction results. In addition, it is possible to capture invoices created by both parties and post them to “請Q by Sollective” of customer information used in freee accounting.