# DeepL

**Canonical:** https://apis.io/providers/deepl/  
**Website:** https://www.deepl.com/  
**APIs profiled:** 7

DeepL is an AI-powered translation service that delivers high-quality machine translation between dozens of languages, with support for context-aware translation, document translation, glossaries, and rephrasing/improvement via DeepL Write. The DeepL API is offered in Pro and Free tiers and exposes endpoints for text translation, document translation, glossaries, language metadata, usage, and write/rephrase.

## Kin Score — 50.1 / 100 (developing)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 50.1).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 70.6 |
| Governance | 26.5 |
| Contract Governance | 26.5 |
| Operational Transparency | 7.9 |
| Developer Ergonomics | 45.2 |
| Commercial Clarity | 55.3 |
| Access Clarity | 55.3 |

## Agent readiness — 30.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| 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

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

## APIs (7)

- **DeepL Voice API** — The DeepL Voice API provides real-time speech transcription and translation. A POST to /v3/voice/realtime issues an ephemeral token and WebSocket streaming URL; clients then ope...
- **DeepL Documents API** — The Documents API from DeepL — 3 operation(s) for documents.
- **DeepL Glossaries API** — The Glossaries API from DeepL — 4 operation(s) for glossaries.
- **DeepL Languages API** — The Languages API from DeepL — 1 operation(s) for languages.
- **DeepL Translate API** — The Translate API from DeepL — 1 operation(s) for translate.
- **DeepL Usage API** — The Usage API from DeepL — 1 operation(s) for usage.
- **DeepL Write API** — The Write API from DeepL — 1 operation(s) for write.

## Agentic access (1)

- **Deepl Agentic Access** — 15 operations · 6 acting

## Security (4)

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

## Plans (1)

- **Deepl Plans Pricing**

## Tags

Artificial Intelligence, Deep Learning, Glossary, Localization, Machine-Learning, Machine Translation, Translation

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