Best TLDs for API Services 行业最佳 TLD
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Domain extensions for APIs and developer platforms
TLD guide for API and developer platform builders, covering .dev, .io, .api, and technical extensions.
推荐 TLD
1
.io
The standard TLD for API and developer platforms.
Industry standard for APIs
Implies input/output
Developer trust
Higher pricing
ccTLD sovereignty concerns
2
.dev
Modern choice with HTTPS enforcement.
Developer-first signal
HTTPS by default
Growing adoption
Newer than .io
Less established
3
.app
Good for API platforms with application interfaces.
Application-focused
HTTPS enforced
Google-backed
Implies consumer app more than API
Newer TLD
4
.cloud
Signals cloud-hosted infrastructure.
Cloud computing association
Good for infrastructure APIs
Broad meaning
Low adoption
5
.com
Classic choice for enterprise API providers.
Enterprise trust
Global recognition
Names are scarce
Not tech-specific