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wFirma

Interact with wFirma Polish accounting software via MCP server

Invoice → Create

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Summary

Create a new invoice in the wFirma system by specifying the contractor ID, an array of invoice line items as JSON, and optionally a payment due date.

Inputs

  • Contractor ID (required) — The ID of the contractor for the invoice
  • Items (JSON) (required) — Invoice line items as JSON array with name, quantity, unit_price, vat_rate
  • Payment Date — Optional payment due date in YYYY-MM-DD format

Output shape

a single JSON object representing the created invoice

The output contains the newly created invoice data parsed from the wFirma MCP server response.

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