| Price from | ₹2,000/mo | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Plans published | 11 | 1 |
| Spec score · SMS APIs | 9.0 (#1) | 7.5 (#31) |
| Spec score · SMS API services | 8.7 (#5) | 8.0 (#19) |
| Account security | MSG91's privacy policy says sensitive information is encrypted using industry-standard protocols, transmitted via TLS/SSL, and accounts have two-factor authentication. | Security features include SMS-based two-factor authentication, password complexity rules, IP access restrictions, and country filtering. |
| Founded | The Udyam certificate records incorporation and business commencement on 18 June 2010. | 2007 |
| Headquarters | The Udyam certificate lists the enterprise address in Indore, Madhya Pradesh, India, PIN 452011. | Gliwice, Poland |
| Integrations | MSG91 lists integrations or connectors including Shopify, Zoho CRM, CleverTap, Excel, Google Sheets, Auth0, Zapier, Pabbly Connect, viaSocket, Tally and Kylas. | SMSAPI offers integrations with platforms including Bitrix24, Drupal, HubSpot, Make, Google Calendar, Gmail, Microsoft Power Apps, and Odoo. |
| Product | MSG91 describes itself as a cloud communication platform offering APIs and tools for SMS, WhatsApp, RCS, email, voice and authentication. | SMSAPI provides bulk SMS through an online interface or API for business messaging. |
| Security certification | The maker's certificate states that Walkover Web Solutions Pvt. Ltd. (MSG91) has ISO/IEC 27001:2022 certification for its cloud communication platform and SaaS, valid until 14 July 2027 subject to surveillance audits. | SMSAPI says it operates in accordance with GDPR and that LINK Mobility Poland is ISO/IEC 27001:2023 certified. |