# Vonage

**Canonical:** https://apis.io/providers/vonage/  
**Website:** https://developer.vonage.com/  
**APIs profiled:** 9

Vonage (part of Ericsson) provides cloud communications APIs for voice, SMS, messaging, video, and verification. The Vonage API platform enables businesses to embed communication capabilities into applications including voice calls, SMS, multi-channel messaging (WhatsApp, Messenger, Viber, RCS), video conferencing, and two-factor authentication. SDKs are available for Node.js, Python, Java, PHP, Ruby, .NET, Go, and Kotlin.

## Kin Score — 53.6 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 53.6).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 71.1 |
| Governance | 13.6 |
| Contract Governance | 13.6 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 66.7 |
| Commercial Clarity | 44.7 |
| Access Clarity | 44.7 |

Regulatory layer — **Telecommunications**: 43.1 (matched via tags).

## Agent readiness — 36.5 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | documented |
| MCP Server | documented |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | no |
| 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 (9)

- **Vonage Conversations API** — Build multi-channel conversation experiences with threading across SMS, voice, and messaging channels. Manage members, events, and legs within conversation contexts.
- **Vonage Reports API** — Generate historical reports and lookup messages sent through your Vonage account. Access delivery receipts, call records, and usage data.
- **Vonage Video API** — Embed live, interactive video into web, mobile, and desktop applications using WebRTC. Supports sessions, tokens, broadcasting, recording, and SIP interconnect.
- **Vonage Applications API** — Configure Vonage application settings and webhooks
- **Vonage Messages API** — Multi-channel messaging via SMS, WhatsApp, Messenger, Viber, MMS, RCS
- **Vonage Numbers API** — Provision and manage virtual phone numbers
- **Vonage SMS API** — Send and receive SMS messages
- **Vonage Verify API** — Two-factor authentication and phone verification
- **Vonage Voice API** — Create and control voice calls

## MCP servers (1)

- **MCP Server**

## Agentic access (1)

- **Vonage Agentic Access** — 25 operations · 18 acting · 3 human-in-the-loop

## Security (3)

- **Vonage Authentication** — http · 2 schemes
- **Vonage Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Vonage Vulnerability Disclosure** — disclosure policy published

## Plans (1)

- **Vonage Plans Pricing**

## Tags

Communications, Messaging, Telecommunications, Video Conferencing, Voice, SMS, Verification

---

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