Add NodeJS proxy info #233
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morsssss
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Jan 13, 2026
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| This lightweight proxy server lets you call the DeepL API directly from browser-based applications during prototyping and frontend testing. Since the DeepL API doesn't allow direct browser requests (see [CORS requests documentation](/docs/best-practices/cors-requests)), this proxy handles CORS headers and keeps your API key secure. | ||
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Contributor
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Would you want to add a line like "It lets you make DeepL API calls from your client-side JavaScript." just for people who might not understand the previous language?
| <img src="https://raw.githubusercontent.com/DeepLcom/deepl-api-nodejs-proxy/main/assets/dashboard-demo.png" alt="Interactive web demo interface for testing translations" /> | ||
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| ## Quick Start |
Contributor
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Do you want to put this part above the screenshots? That will make it easier to discover!
| To safely use the DeepL API on your website or application, you can route your requests through your own backend servers. This keeps your credentials hidden and allows you to specify CORS policies and rate limits as required by your use case. | ||
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| DeepL's official open-source [client libraries](/docs/getting-started/client-libraries) can help you create these backend implementations. | ||
| DeepL's official open-source [client libraries](/docs/getting-started/client-libraries) can help you create these backend implementations. For prototyping and frontend testing, you can use the [DeepL API Node.js Proxy](https://github.com/DeepLcom/deepl-api-nodejs-proxy/), a lightweight ready-to-use proxy server that handles CORS and keeps your API key secure. |
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Would you want to bump this new language up, say, to become a new second paragraph? More people might see it then. Or you could give this section its own subheader. Perhaps best to add a reminder that this isn't really intended for production use (although I'd guess it could handle many such cases)
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Adds links and info about our new open source NodeJS proxy