Server SDKs

Browser SDKs collect. Server SDKs verify.

Step	Who	Key
Collect	Browser	`kv_pk_…`
`POST /v2/verify`	Your backend	`kv_sk_…`

verify is billable. Never call it from the browser.

Runtime	Package	Install
Node 18+	`@keverd/node`	`npm install @keverd/node`
Python 3.9+	`keverd`	`pip install keverd`
PHP 8.1+	`keverd/keverd`	`composer require keverd/keverd`

Webhooks are optional fan-out after verify.

​Server SDKs