# Threema

**Canonical:** https://apis.io/providers/threema/  
**Website:** https://threema.com/  
**APIs profiled:** 1

Threema is a secure messaging platform based in Switzerland that provides end‑to‑end encrypted communication for individuals and businesses. It offers products such as Threema Work, Threema OnPrem, and Threema Private, all GDPR‑compliant and designed for high‑security environments like public authorities, healthcare, and finance. The service emphasizes data sovereignty, zero‑knowledge security, and compliance with regulations such as NIS2 and DORA, making it a trusted alternative to mainstream messengers.

## Kin Score — 29.2 / 100 (thin)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 55.4 |
| Contract Quality | 0.0 |
| Contract Governance | 18.2 |
| Operational Transparency | 26.3 |
| Developer Ergonomics | 7.1 |
| Access Clarity | 76.3 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 24.5 (matched via fallback).

## Agent readiness — 6.0 (agent-aware)

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

## APIs (1)

- **Threema API** — Threema provides secure messaging APIs for integration, described on their website.

## Security (2)

- **Threema Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Threema Vulnerability Disclosure** — security.txt · contact published

## Plans (1)

- **Threema Plans Pricing**

## Tags

Company, Messaging, Security, Privacy, GDPR

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