Generate verification codes, send themed emails and track delivery status.
How to get a free Email API key
Four steps from a blank editor to a working call, across the 1 Email APIs in this catalogue — all on a plan that costs nothing.
The steps
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Compare the options
This catalogue has 1 Email 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. VerifyCode.me — Email Verification & Code Generation 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 Email listing publishes its own limit.
Which Email API to start with
Frequently asked questions
- How many free Email APIs are listed here?
- This catalogue lists 1 Email APIs, all with a plan that costs $0. The most used are VerifyCode.me — Email Verification & Code Generation.
- Which free Email API covers the most endpoints?
- VerifyCode.me — Email Verification & Code Generation covers the most ground with 3 endpoints.
- Which free Email API answers fastest?
- VerifyCode.me — Email Verification & Code Generation answers fastest, at 542ms.
- What does the cheapest paid Email plan cost?
- Past the free plan, VerifyCode.me — Email Verification & Code Generation is the cheapest at $14.99 a month.
- Are these Email APIs really free?
- Yes. Every Email 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.