| Price from | — | $1.97/mo |
| Free plan | — | — |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| API | Yes | — |
| Plans published | 0 | 15 |
| Spec score · e-Invoicing Software | 7.3 (#8) | 7.3 (#9) |
| Spec score · Tax Compliance Software | 7.3 (#70) | 7.0 (#95) |
| Headquarters | Dublin, Ireland | Walldorf, Germany |
| Integrations | Fonoa’s products share a platform data model; its E-Invoicing page says invoice data can flow into return preparation when Returns is connected. | SAP says CPQ has preconfigured integrations with SAP Sales Cloud and other SAP solutions, integration with third-party CRM offerings, and prebuilt connectors through SAP Integration Suite. |
| Support | Fonoa’s API documentation says customers obtain an API subscription key after onboarding by contacting its technical support team. | SAP lists long-term support plans, embedded teams, remote technology support, a self-service portal, and innovation strategies. |