# Syniverse

**Canonical:** https://apis.io/providers/syniverse/  
**Website:** https://www.syniverse.com/  
**APIs profiled:** 12

Syniverse is a United States headquartered wholesale telecommunications company that sits between mobile network operators rather than in front of consumers. Its mobility business runs inter-carrier roaming, IPX network and signaling, 5G SEPP, clearing and settlement, global SIM and satellite roaming for carriers, and none of that carrier-side estate is exposed as a public API. Its messaging business is the opposite: an A2P/CPaaS aggregator selling SMS, MMS, RCS, WhatsApp, push, voice, 10DLC campaign registration, messaging trust/anti-spam and mobile identity services to enterprises, and it is published through a genuine self-serve developer portal, the Syniverse Developer Community (SDC), where anyone can sign up for a free API key, read the docs, and download eleven Redoc-rendered OpenAPI/Swagger definitions. On network APIs Syniverse is a channel, not a source — it joined GSMA Open Gateway in April 2025 as a channel partner and announced an integration with Aduna in June 2025, but no CAMARA-defined API is documented or callable on its developer portal today.

## Kin Score — 50.8 / 100 (developing)

Scored 2026-08-17 under rubric 0.11.0. Trend: flat (+0.0 from 50.8).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 59.2 |
| Governance | 11.5 |
| Operational Transparency | 44.7 |
| Developer Ergonomics | 62.5 |
| Commercial Clarity | 34.2 |

Regulatory layer — **Telecommunications**: 58.3 (matched via tags).

## Agent readiness — 53.4 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| MCP Server | derived |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| 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 |

## APIs (12)

- **Syniverse Omni-Channel Messaging API (SCG)** — The Syniverse Communication Gateway (SCG) API — the core of the Syniverse Developer Community platform. 72 documented paths and 148 operations covering message requests, message...
- **Syniverse Multi-Factor Authentication API** — Generates and validates one-time passwords and delivers customized tokens over SMS, voice or push to verify an end user. Documented as part of the SCG API surface with applicati...
- **Syniverse Phone Number Verification API** — Single-number lookup service that returns the current carrier, line type and status of a phone number so an enterprise can detect ported, deactivated, disconnected or reassigned...
- **Syniverse Right Party Verification API** — A single POST /v2/match operation that returns match scores comparing an end user's asserted identity against Syniverse-sourced mobile data. This is Syniverse's own identity-mat...
- **Syniverse Account Takeover Detection API** — A single POST /v1/simCheck operation that reports whether an end user's mobile channel has had recent SIM changes or call forwarding enabled, as an account-takeover risk signal....
- **Syniverse Messaging Trust Resolve API** — Resolves inbound text and MMS traffic to a disposition — the spam and messaging-abuse classification service sold to messaging operators and enterprises. Two operations, /v1/txt...
- **Syniverse Messaging Trust Spam Datafeed API** — Submits spam reports into the Messaging Trust datafeed via a single POST /spam/report operation, secured with OAuth2 client credentials against the Messaging Trust token endpoint.
- **Syniverse 10DLC API** — US 10DLC (10-digit long code) campaign provisioning — create, retrieve, suspend and resume campaigns, attach and detach long codes and number pools, and manage AT&T DCA campaign...
- **Syniverse 10DLC Number Pool API (v1, deprecated)** — The deprecated version 1 of the 10DLC provisioning API, still published in the SDC documentation under an explicitly deprecated section. Adds and removes 10DLC long codes and nu...
- **Syniverse Whitelisting Service API** — Developer Community gateway service for managing whitelists of entities and transactions, used to allow trial-account destination numbers and similar platform-level allow lists....
- **Syniverse SDC Application Access Token Management API** — Regenerates the access token associated with an SDC application via GET /saop-rest-data/v1/apptoken-refresh. This is the token-lifecycle piece of the Syniverse Developer Communi...
- **Syniverse Event Subscription Service API (Event Manager)** — The webhook and event layer of the Syniverse Developer Community. The Event Subscription Service (ESS) API manages topics, topic-subscriptions, delivery-configurations, event-ty...

## MCP servers (1)

- **syniverse-mcp.yml**

## Agentic access (1)

- **Syniverse Agentic Access** — 187 operations · 117 acting

## Security (2)

- **Syniverse Authentication** — apiKey/http/oauth2 · 5 schemes
- **Syniverse Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Telecommunications, United States, CPaaS, Messaging, SMS, Roaming, IPX, Wholesale, Identity Verification, SIM Swap, 10DLC, Open Gateway, Network APIs, Aggregator

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