Clockify
Business Operations Free key (no card)
AuthenticationFree key (no card)
Rate limit10 requests per second per API key
Documentation: docs.clockify.me ยท Checked Sep 13, 2026
About
Clockify is a free-forever time tracker with a documented REST API for time entries, projects, and workspaces. API access is included on the free plan, which also supports a limited number of webhooks. Paid plans add more automations and controls.
Details
Free to start. You may need a free key, but no credit card.
Auth: Free key (no card)
Rate limit: 10 requests per second per API key
Verified: 2026-09-13
Best for: time-tracking timesheets freelancers
Setup
- Create a free Clockify account
- Open your profile settings and generate an API key
- Send the key as an X-Api-Key header in requests
- Create a workspace and project in the app first
- Start timers with POST /v1/workspaces/WORKSPACE_ID/time-entries
- Set up webhooks on paid tiers for real-time events
Example
GET https://api.clockify.me/api/v1/workspaces/WORKSPACE_ID/time-entries with header X-Api-Key: YOUR_KEYUse cases
- Log billable hours from your own project tools
- Build timesheet reports for clients
- Track time against projects from a CLI or bot