Guide
A multilingual AI chatbot for your website, without translating your site first
A visitor from Madrid asks in Spanish; your website is in English. A few years ago that meant a translation plugin, a second copy of every page, or a lost customer. A modern AI chatbot can read your English pages and answer in Spanish. Here is how that works, and what to check before you rely on it.
Maqsood R.Founder, HolaReply · Updated · 5 min read
The short answer
- A multilingual AI chatbot answers each visitor in the language they write in, using your website’s content as the source even if it is written in one language.
- The AI reads the relevant passages from your pages, understands them, and writes the answer in the visitor’s language.
- Check that it detects the language from the question itself, keeps product names and prices exactly as written, and shows the source page.
- It should hand risky topics to a person in every language.
How it works
The visitor writes in their language
For example: “¿Hacéis envíos a Irlanda?”
The chatbot finds the right passage
Modern embedding models match meaning across languages, so a Spanish question can find an English passage about delivery to Ireland.
The AI answers in Spanish
It writes the answer in the language of the question, using only the facts in that passage.
The source is shown
The link points to your English page, so the visitor (or a browser translation) can check it.
You don’t need a translated copy of your site for this. You do need the facts to be on your site in at least one language.
Translate your site, or let the chatbot answer in any language?
| Translate the whole site (e.g. WPML, Polylang) | Multilingual chatbot on one-language content | |
|---|---|---|
| Visitors can browse in their language | ✓ | — |
| Visitors can ask questions in their language | Only if the chatbot supports it | ✓ |
| Effort | Translate and maintain every page | None beyond your existing content |
| SEO in other languages | ✓ Translated pages can rank | — |
| Best for | Markets you actively target | Occasional visitors from anywhere |
Many businesses do both: translate the pages for their main markets, and let the chatbot answer everyone else.
What to check before you rely on it
- It detects the language from the question, not from the browser setting (people often browse in English and ask in their own language).
- It keeps product names, codes and prices exactly as written on your site, instead of translating or converting them.
- It shows the source page for every answer.
- It says “I don’t know” in the visitor’s language when your site doesn’t cover the question.
- Locked topics (prices, allergens, contracts) are handed to a person whatever the language.
- Your team receives the conversation and can reply, even if they don’t speak the language: the chat is readable in any translation tool.
How HolaReply handles languages
HolaReply writes each answer in the language the question is written in; only if that can’t be told does it use the site’s default language. It answers from your pages, posts and products in whatever language they are written, and shows the source.
Locked topics are protected in two layers. A word check stops questions that use the topic’s words or common synonyms before the AI is even asked. For questions in other languages or unusual wording, the AI itself is instructed never to answer a locked topic and to hand it to your team.
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Answers come from your own pages, with the source shown, in the visitor’s language.
WordPress, WPML and Polylang
If your site is already translated with WPML or Polylang, index the published pages in each language. The chatbot will usually find the passage in the visitor’s language first, which gives the most natural answers. If only some pages are translated, the chatbot can still answer from the English version.
Pitfalls
- Units and currencies. An AI may “helpfully” convert €9 into another currency or kilograms into pounds. Tell customers the site’s currency, and choose a chatbot that quotes figures as written.
- Legal wording. A translated summary of your returns policy is not your returns policy. Link to the source page, and lock topics where exact wording matters.
- Rare languages. Quality is best in widely used languages. Test the ones your customers actually use.
- Your team. Replies to leads may need a translation tool. Decide who answers enquiries in which languages.
Ask it in your language. The chat on this page is HolaReply. This website is in English; ask a question in Spanish, German, Bangla or any language you like.
“¿Cuánto cuesta HolaReply Pro?”“Funktioniert es mit WooCommerce?”
Open the chatQuestions people ask
Do I need to translate my website for a multilingual chatbot?
No. A good AI chatbot answers in the visitor’s language from content written in one language. Translating your pages still helps visitors browse and helps SEO in other languages.
How does the chatbot know which language to reply in?
It should detect the language of the question itself. HolaReply replies in the language the question is written in, and uses the site’s default only when it can’t tell.
Are answers in other languages accurate?
They are as accurate as your source content, as long as the chatbot answers only from your pages. Test the languages your customers use, and keep prices and legal wording linked to the source.
Does it work with WPML or Polylang?
Yes. Index the published pages in each language; the chatbot can answer from whichever language matches best.
Can my team reply in English to a Spanish enquiry?
Yes. They see the whole conversation and can reply in any language; many teams use a translation tool for the reply.
Founder of HolaReply. He builds AI assistants that answer only from a business’s own website, and checks every fact in these guides against the products’ own pages.
More by Maqsood R. →Answer every visitor in their own language.
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