Developer Platforms APIs
Source control, hosting, monitoring and testing endpoints. 8 listed: 5 completely free, 3 usable without an API key.
GitHub REST API
Repositories, issues, pull requests, actions and more.
GitLab REST API
Projects, merge requests, pipelines and registries.
Cloudflare API
DNS, Workers, Pages, R2 and security settings.
Vercel REST API
Deployments, projects, domains and environment variables.
Sentry API
Errors, releases and performance data from Sentry.
npm Registry API
Package metadata and download counts from the npm registry.
JSONPlaceholder
Fake REST API for prototyping and testing front ends.
httpbin
Echo and inspect HTTP requests while debugging clients.
Comparing developer platforms APIs
| API | Auth | Pricing model | Docs |
|---|---|---|---|
| GitHub REST API | OAuth | Free | docs.github.com |
| GitLab REST API | OAuth | Free | docs.gitlab.com |
| Cloudflare API | API key | Free tier | developers.cloudflare.com |
| Vercel REST API | API key | Free tier | vercel.com |
| Sentry API | API key | Free tier | docs.sentry.io |
| npm Registry API | No key | Free | github.com |
| JSONPlaceholder | No key | Free | jsonplaceholder.typicode.com |
| httpbin | No key | Free | httpbin.org |
Not sure which to pick? Read our 12-point API checklist and guide to API pricing models.