| Price from | €3/mo | ₹2,000/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| API | Yes | Yes |
| Plans published | 5 | 11 |
| Spec score · SMS APIs | 8.7 (#4) | 9.0 (#1) |
| Spec score · SMS API services | 8.3 (#16) | 8.7 (#5) |
| Founded | 2011 | The Udyam certificate records incorporation and business commencement on 18 June 2010. |
| Headquarters | Uppsala, Sweden | The Udyam certificate lists the enterprise address in Indore, Madhya Pradesh, India, PIN 452011. |
| Integrations | Listed integrations include Zapier, GitHub Actions, Homey, Sigfox, Laravel, Node-RED, Flow XO, FileMaker, WordPress, and Google Sheets. | MSG91 lists integrations or connectors including Shopify, Zoho CRM, CleverTap, Excel, Google Sheets, Auth0, Zapier, Pabbly Connect, viaSocket, Tally and Kylas. |
| Product | 46elks describes itself as a telecom API for applications to send SMS, receive MMS photos, and make automatic phone calls. | MSG91 describes itself as a cloud communication platform offering APIs and tools for SMS, WhatsApp, RCS, email, voice and authentication. |
| 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. | Support is available by chat, email, WhatsApp call or Google Meet; listed hours are Monday–Saturday 8:00 AM–midnight IST and Sundays and holidays 10:00 AM–7:00 PM IST. |
