Translate
anything, per call.
DeepL via Locus is a pay-per-call gateway to DeepL's professional translation engine — the same model that consistently outperforms Google Translate on European-language pairs. Translate text or whole documents across 30+ languages, with formality control, glossary support, and DeepL Write rephrasing. No $5.49/month plan, no prepaid character blocks, no API key.
Built for teams that need professional translation without the subscription math.
Four shapes of customer who benefit most. If you recognize your workflow, the per-call model is in your favor.
Translation as just another tool call.
A multilingual support agent, research bot, or content-curation agent translates inline as a tool call — no human-managed DeepL account, no API key rotation. MCP discovery and x402 payment let the agent self-onboard at runtime; per-call billing keeps spend tied to actual translation volume.
Localize without enterprise contracts.
A CMS, marketing tool, or chat product offers translation features without negotiating a DeepL API Pro plan. Per-call pricing maps cleanly to per-user usage — free-tier traffic doesn't burn a flat-rate plan and high-volume customers scale linearly.
Translate whole documents on demand.
Tech writers and localization engineers translate Markdown, Word, PDF, and HTML docs with DeepL's format-preserving document mode. Glossary support keeps brand terminology consistent. Pay only for the docs that actually need translation in a given sprint.
Multilingual inbox, on-the-fly.
Inbound multilingual messages get translated to a support agent's language and replies translated back, all routed through one endpoint with formality control. Per-call billing aligns spend with ticket volume — quiet weeks cost less, viral support moments scale without plan upgrades.
Stop paying a monthly floor to translate.
Connect a wallet, POST your first string, and get a Pro-grade translation back instantly. If you don't translate for a month, you don't pay for the month. Same data DeepL ships at the Pro tier, billed per request instead. That's the entire deal.
- DeepL Pro quality
- 30+ languages
- No signup, no API key
- MCP + x402 native
The honest answers.
If something below doesn't cover your case, ping us — we answer directly, no SDR funnel.
Is the translation quality the same as DeepL Pro?
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Yes. The gateway proxies DeepL's Pro API directly, so output matches the model that consistently ranks first in European-language benchmarks against Google Translate, Microsoft Translator, and Amazon Translate.
Which features are exposed?
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Text translation across 30+ languages, formality control (formal/informal register, supported on a subset of languages including German, French, Spanish, Japanese), glossary support for brand terms, and document translation that preserves Word, PDF, PowerPoint, and HTML formatting. DeepL Write rephrasing endpoints are exposed too.
Do I need a DeepL account or API key?
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No. Authentication is per-request via x402. Connect a wallet, sign the request, get the translation back. No signup form, no key to rotate, no shared secret in agent logs.
How does this compare to DeepL API Pro direct?
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DeepL API Pro requires a $5.49/month subscription floor plus per-character billing with prepaid blocks. The gateway charges per call instead, which fits better for light or experimental usage, for SaaS embedding where translation volume is variable, and for autonomous agents that need translation as a tool call without a billing-entity-owned API key.
Can autonomous AI agents use this?
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Yes — that's a primary design point. The endpoint supports MCP discovery and x402 payment, so an autonomous agent can find it, call it, pay for it, and consume the result without a human creating an account.
What about data privacy?
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The gateway forwards requests to DeepL's API, which processes text under DeepL's data-protection terms (GDPR-aligned, no training on customer text on Pro/API access). Don't send content you wouldn't be comfortable sending to DeepL directly.