Someone on your team just kicked off a K6 load test, and half the requests failed because authentication tokens expired mid-run. You sigh, open OneLogin, and realize this has happened three sprints in a row. It is not that anyone broke something, it is that your tooling speaks in different dialects of identity and timing.
K6 is brilliant at one thing: exposing how your system behaves when under real load. OneLogin is equally good at what K6 lacks, which is managing who gets access and how securely. Put them together right, and you get repeatable test runs that reflect the real user journey, not stale credentials.
When you integrate K6 with OneLogin, you are basically teaching your tests about identity the same way production already knows it. Instead of hardcoding secrets, you use OneLogin’s OAuth or OIDC flow to mint short-lived tokens for each simulated user. The logic is simple. K6 fetches an access token through OneLogin’s API, injects it into request headers, and continues hammering endpoints until your system cries uncle. The difference is those requests are now traceable, secure, and compliant with the same policies that govern real users.
A typical workflow starts with configuring an OIDC app in OneLogin and retrieving the client ID and secret. K6 scripts then use a pre-test step to call OneLogin’s token endpoint. Once tokens are cached, your scripts can authenticate requests automatically. No human steps, no expired sessions, and no risk of sharing static secrets in source control.
If data points start to fail authentication, check the token scopes and expiration times. OneLogin’s defaults can be conservative. Extending the lifetime slightly or adding refresh logic in the K6 setup function resolves most issues. Rotate your client secrets regularly, and monitor audit logs through the OneLogin admin console to verify when tests last accessed APIs.