DeepL Voice API is the enterprise API for real time voice translation and transcription, built for organizations that need high quality conversations across languages, with strong security and simple integration.
DeepL Voice API is the enterprise-grade solution for real-time voice translation and transcription. Specifically engineered for modern contact centers, it allows your business to deliver high-quality, multilingual customer experiences without the overhead of hiring native speakers for every market. Built on DeepL's industry-leading translation technology, it combines speed, precision, and world-class security.
Hire for Expertise, Not Language Coverage
With DeepL Voice, your hiring strategy shifts from 'who speaks the language?' to 'who is the best problem solver?'
Expand Your Talent Pool: Access skilled professionals globally, including lower-cost regions, without sacrificing the customer experience.
Eliminate Coverage Gaps: Every agent becomes a resource for every customer, ensuring 24/7 'round-the-clock' support for even the rarest languages.
Resilience in Crisis: Maintain service levels during strikes, travel disruptions, or surges by utilizing your entire workforce, regardless of their native tongue.
Drive Growth and Efficiency
Market Entry: Test demand in new regions instantly before committing to local hiring.
New Revenue Streams: Launch premium multilingual support tiers or overflow services as a competitive differentiator.
Win More Deals: Say 'yes' to global opportunities that were previously out of reach due to language constraints.
Enterprise-Grade Features
Uncompromising Accuracy: High-speed translation that maintains the nuance of human conversation.
Customization: Use Glossaries to ensure brand-specific terms are always translated correctly.
Spoken Terms functionality to handle industry-specific acronyms and product names with pinpoint precision.
Data Sovereignty: Enterprise-grade security ensures your data is never stored and is never used to train our models.
Highlights
Hire and Operate Without Borders
Shift your talent strategy from linguistic requirements to core competencies. By removing language as a barrier, you can hire the most skilled problem-solvers and technical experts regardless of what language they speak, ensuring your organization is powered by the best talent available.
Enterprise-Grade Security and Privacy
Communicate with confidence knowing your data is protected by the highest security standards. DeepL Voice processes data in-memory; information is never stored and is never used to train our models, ensuring full compliance for legal, healthcare, and financial sectors.
No Tradeoffs Between Speed and Accuracy
Deliver high-precision, real-time translations that capture the nuance of professional conversation. Powered by DeepL's world-leading Language AI, the API provides the speed necessary for live dialogue without the errors common in generic models.
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Pricing is based on the duration and terms of your contract with the vendor. This entitles you to a specified quantity of use for the contract duration. If you choose not to renew or replace your contract before it ends, access to these entitlements will expire.
Additional AWS infrastructure costs may apply. Use the AWS Pricing Calculator to estimate your infrastructure costs.
4,000 hours of real-time voice transcription and translation via WebSocket. Stream audio once, receive instant transcriptions in the source language plus translations in multiple target languages simultaneously.
This listing offers one pricing option: DeepL Voice API Pro. You buy a contract that includes 4,000 hours of real-time voice transcription and translation. The unit of measure is hours of audio processed through a WebSocket connection. You stream audio once and receive transcriptions in the source language plus translations in multiple target languages at the same time. Pricing scales with the number of hours you use, giving you a predictable way to budget. There are no separate tiers or add-ons to compare within this listing.
Top-of-mind questions for buyers
What counts as one hour for billing under the Voice API Pro contract?
An hour is time spent processing audio through a WebSocket connection. You stream audio in real time and the system transcribes and translates it. The 4,000 hours in your contract cover this processing time, not calendar time. Multiple simultaneous target-language translations from one audio stream do not multiply the hours charged.
What happens when I use up the 4,000 hours in my contract?
The contract includes a set 4,000 hours of real-time voice transcription and translation. The listing does not describe automatic overage charges beyond this amount. If you expect to exceed 4,000 hours, contact the vendor to arrange added capacity.
Is the Voice API Pro contract a fixed commitment or does it meter live usage?
You commit upfront to a contract that grants 4,000 hours of processing. You then draw down against that pool as you stream audio in real time. This suits teams that can estimate their voice-translation volume and want predictable budgeting rather than open-ended per-use billing.
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Vendor refund policy
DeepL does not provide refunds for subscriptions or usage once billing has occurred. Customers are responsible for canceling subscriptions before renewal dates to avoid further charges.
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Enable developers and technical teams to easily integrate accurate, secure Language AI. Whether translation, writing, or speech-to-text, the DeepL API can solve your language-centric challenges efficiently and at scale.
Translation across 30+ languages with industry-leading accuracy
CAT tool integration for localization workflows
Speech-to-text for voice and audio workflows
Write for grammar, tone, and style improvements
Glossaries and style controls for consistent terminology and brand voice
Enterprise-grade security with data residency options and no training on your data
Connect with colleagues, customers, and partners everywhere - without language barriers. Unlock accurate AI voice translations across Zoom Meetings, Microsoft Teams, or on your mobile device.
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