Kaleyra Voice API vs MSG91
| Kaleyra Voice API | MSG91 | |
|---|---|---|
| Platforms | api | Android, api, iOS, Web |
| Phone number support | Yes | |
| Inbound calling | Yes | |
| Outbound calling | Yes | |
| Call recording | Yes | |
| Two-way SMS | Yes | |
| MMS support | Yes | |
| SDK languages | Ruby, Python, PHP, Java |
Listed together in Best WhatsApp Business API Providers