# Nextiva

**Canonical:** https://apis.io/providers/nextiva/  
**Website:** https://www.nextiva.com/  
**APIs profiled:** 5

Nextiva is a Scottsdale, Arizona based cloud communications and customer experience company whose NextOS / NEXT platform combines UCaaS business phone service, contact center (NCX), SMS and team messaging, voice AI agents, and conversation analytics for small business through enterprise. Its developer surface is the Nextiva Contact Center platform: a ReadMe-hosted developer portal at developer.nextiva.com publishing five REST OpenAPI 3.0 contracts (Provider Authentication, Provider Token Service, Workitem Service, Conversation, SMS Messaging) served from api.nextiva.com, alongside four frontend SDKs (Core, Web, React, React Native) that wrap the same backend over HTTP plus two WebSocket channels — an events socket for real-time workitem, offer, phone-state and live-transcription notifications, and an analytics socket for supervisory data.

## Kin Score — 51.9 / 100 (developing)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (-0.8 from 52.7).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 60.0 |
| Governance | 16.7 |
| Contract Governance | 16.7 |
| Operational Transparency | 36.8 |
| Developer Ergonomics | 47.0 |
| Commercial Clarity | 46.1 |
| Access Clarity | 46.1 |

Regulatory layer — **Telecommunications**: 56.9 (matched via tags).

## Agent readiness — 29.0 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | partial |
| Rate Limit Signal | no |
| Event Surface Described | yes |
| Agent Skills | derived |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## APIs (5)

- **Nextiva Provider Authentication API** — Login and token refresh for the Nextiva Contact Center platform. Basic authentication generates a JWT bearer token carrying the user's authorities; the token-refresh operation e...
- **Nextiva Provider Token Service API** — Spring-secured provider token endpoints that mint JWTs with user authorities, authenticate a user and redirect with a secure token, and generate time-limited multi-tenant portal...
- **Nextiva Workitem Service API** — Retrieve and control workitems — the unit of work in the Nextiva Contact Center — and the calls attached to them. Fetch workitems and workitem detail, bridge, hold, hang up, mut...
- **Nextiva Conversation API** — Read the conversation graph across the contact center — conversations and their workitems, conversation history by participant, campaign and ticket scoped conversations, unread ...
- **Nextiva SMS Messaging API** — Send outbound SMS messages from a Nextiva user. Inbound SMS arrives as a workitem on the SDK event stream rather than as a customer-configured webhook.

## MCP servers (1)

- **Nextiva MCP Server**

## Security (3)

- **Nextiva Authentication** — http · 3 schemes
- **Nextiva Domain Security** — TLSv1.3 · HSTS · DMARC
- **Nextiva Vulnerability Disclosure** — Hackerone · contact published

## Tags

Company, Communications, Voice, Contact Center, Customer Experience, SMS, Messaging, Unified Communications, VoIP, Telephony, Conversational AI, Call Center

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