generated: '2026-07-11' method: derived source: openapi/invoice-ninja-openapi.yml summary: types: - apiKey api_key_in: - header schemes: - name: apiToken type: apiKey in: header parameter: X-Api-Token description: |- API token created in the Invoice Ninja settings. Self-hosted installs may additionally require an `X-Api-Secret` header. sources: - openapi/invoice-ninja-openapi.yml