Callr vs Kaleyra Voice API
Callr
callr.comKaleyra Voice API
tatacommunications.comSide by side
| Figure | Callr | Kaleyra Voice API |
|---|---|---|
| Price from | €599/mo | — |
| Free plan | — | — |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 2 | 1 |
| Spec score · Voice APIs | 9.0 (#1) | 6.9 (#17) |
| Automation | Callr Actions lets customers build call scenarios in YAML, and the feature list also names Zapier and Make integrations. | REST APIs and sandbox tools support building and testing voice workflows across digital platforms. |
| Coverage | Callr says its platform covers more than 220 countries. | The service supports voice calls in more than 190 countries and territories, with in-country CLI support in 60 key markets. |
| Headquarters | Paris and New York | Mumbai, India |
| Integrations | Callr lists native connectors for Salesforce, HubSpot, Google Analytics, and Google Ads, plus a REST API and webhooks. | The APIs are designed to integrate with CRMs, marketing platforms, agent desktops, and custom apps using standard interfaces. |
| Security | Callr states that HTTPS, SIP TLS and SRTP encryption are included across plans. | The page says the platform uses encryption in transit and at rest, call masking, logs, and compliance options including GDPR. |
| Support | Callr describes 24/7 support as part of its service and lists premium customer support for Enterprise. | Tata Communications offers guidance, tailored deployment support, and dedicated onboarding support for the API. |
| What it does | Callr provides programmable voice, SMS, call tracking, conversation intelligence and AI voice agents on its own carrier network. | The programmable Voice API lets businesses make, receive, and manage calls through apps and the web. |
Plans
In their own words
Kaleyra Voice API
Kaleyra Voice API has no write-up on Specifiction yet; its figures are above.