| Price from | €3/mo | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 5 | 6 |
| Spec score · Transactional SMS Software | 8.7 (#8) | 7.7 (#41) |
| Spec score · SMS APIs | 8.7 (#4) | 7.7 (#25) |
| Spec score · SMS API services | 8.3 (#16) | 7.6 (#28) |
| Headquarters | Uppsala, Sweden | Paphos, Cyprus |
| Integrations | Listed integrations include Zapier, GitHub Actions, Homey, Sigfox, Laravel, Node-RED, Flow XO, FileMaker, WordPress, and Google Sheets. | The integrations page lists Zapier, Salesforce, SMS API, SMPP API, and email-based integration among its options. |
| Product | 46elks describes itself as a telecom API for applications to send SMS, receive MMS photos, and make automatic phone calls. | SMS.to describes itself as an SMS marketing and SMS API gateway platform providing omnichannel digital communication services for businesses. |
| Support | Standard support is available by phone and email on workdays from 09:00 to 16:00 CET, with best-effort response typically within 60 minutes and 24/7 failure reporting. | The homepage advertises 24/7 support and worldwide coverage. |
