# Kaleyra

**Canonical:** https://apis.io/providers/kaleyra/  
**Website:** https://www.kaleyra.com/  
**APIs profiled:** 6

Kaleyra is a global omnichannel CPaaS provider (a Tata Communications company since October 2023) offering SMS, WhatsApp, RCS, Voice, Email, Verify (OTP), and Video communication APIs. Its REST APIs authenticate with an api-key header, address accounts by SID in the path, and are served from region-specific hosts for India, APAC, and EU data residency.

## Kin Score — 62.4 / 100 (strong)

Scored 2026-08-17 under rubric 0.11.0. Trend: flat (+0.0 from 62.4).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 69.0 |
| Governance | 11.5 |
| Operational Transparency | 86.8 |
| Developer Ergonomics | 66.8 |
| Commercial Clarity | 65.8 |

Regulatory layer — **Telecommunications**: 50.0 (matched via tags).

## Agent readiness — 43.5 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| MCP Server | derived |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | documented |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | yes |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Paid · Self-serve signup — onboarding: self-serve, pricing: paid, trial: no (confidence: high).

## APIs (6)

- **Kaleyra Email API** — Send single and batch transactional email (Email API v2) with domain management, templates, webhooks, and delivery statistics.
- **Kaleyra Platform API** — Account-level platform operations - subaccount management, billing, numbers provisioning, callback profiles, consent, and blocklist management.
- **Kaleyra Messages API** — Send SMS, WhatsApp, and RCS messages and read their status.
- **Kaleyra Verify API** — Generate and validate one-time passwords (OTP).
- **Kaleyra Video API** — Kaleyra Video (WebRTC) room orchestration via REST.
- **Kaleyra Voice API** — Click-to-call and outbound voice.

## MCP servers (1)

- **kaleyra-mcp.yml**

## Agentic access (1)

- **Kaleyra Agentic Access** — 7 operations · 5 acting

## Security (4)

- **Kaleyra Authentication** — apiKey · 1 scheme
- **Kaleyra Domain Security** — TLSv1.3 · HSTS · DMARC
- **Kaleyra Vulnerability Disclosure** — security.txt · contact published
- **Kaleyra Trust Center** — ISO 27001, SOC 2, GDPR, HIPAA, PCI DSS

## Plans (1)

- **Kaleyra Plans Pricing**

## Tags

CPaaS, Messaging, SMS, WhatsApp, Voice, OTP, India

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/kaleyra/). Scores are computed from the provider's own public artifacts under a published rubric.