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How to get a free Translation API key
Four steps from a blank editor to a working call, across the 1 Translation APIs in this catalogue — all on a plan that costs nothing.
The steps
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Compare the options
This catalogue has 1 Translation APIs with a free plan. Sort them by endpoint count, latency or subscribers and shortlist two or three that cover what you need.
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Open the listing and subscribe to the free plan
Every listing links straight to the marketplace page. AI Translate API Service is the most subscribed one in this category, which makes it a safe first stop. The Basic plan costs $0 and asks for no card.
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Copy your API key
The key appears the moment the subscription is created. It goes in a request header — never in front-end code or a public repository.
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Make the first call and check the quota
The marketplace playground runs a real request in the browser before you write any code. Once it answers, watch the monthly quota: the free tier is generous but not unlimited, and every Translation listing publishes its own limit.
Which Translation API to start with
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.