Translate text, HTML, JSON, XML, YAML and Markdown into 100+ languages, markup intact.
Best free Translation APIs
1 Translation APIs with a free plan, compared side by side on endpoints, latency and price.
| API | Endpoints | Subscribers | Latency | Service level | Free tier | Paid from |
|---|---|---|---|---|---|---|
| AI Translate API Service Translate text, HTML, JSON, XML, YAML and Markdown into 100+ languages, markup intact. | 7 | 37 | — | — | $0.00 | $9.99 |
Which one to pick
- AI Translate API Service covers the most ground with 7 endpoints.
- AI Translate API Service was updated most recently, on 2025-11-26.
- Past the free plan, AI Translate API Service is the cheapest at $9.99 a month.
Choosing between APIs in the same category usually comes down to four numbers: how much surface the API covers, how fast it answers, how reliably it stays up and what it costs once the free tier runs out. The table below puts those numbers next to each other so the comparison takes a minute rather than an afternoon of tab-switching.
Every service listed here has a plan that costs nothing and needs no card, so the shortlist can be tested before any of it is paid for.
Frequently asked questions
- How many free Translation APIs are listed here?
- This catalogue lists 1 Translation APIs, all with a plan that costs $0. The most used are AI Translate API Service.
- Which free Translation API covers the most endpoints?
- AI Translate API Service covers the most ground with 7 endpoints.
- What does the cheapest paid Translation plan cost?
- Past the free plan, AI Translate API Service is the cheapest at $9.99 a month.
- Are these Translation APIs really free?
- Yes. Every Translation API listed here has a plan that costs $0 a month and needs no card. Paid plans exist for higher volume and their prices are in the table above.