Clockify API
Overview
Clockify is a free time-tracking API that lets you manage workspaces, projects, clients, and time entries programmatically. It is useful for automating timesheet reporting, syncing tracked hours with invoicing systems, or building custom dashboards. The free tier is generous and the API is well-documented with clear examples.
Beginner Tip
Your workspace ID is required in nearly every Clockify API call — retrieve it first with GET /workspaces using just your API key, then store it for subsequent requests.
Available Data
Example Response
{
"status": "success",
"data": {
"result": "Data from Clockify",
"description": "Clockify's REST-based API can be used to push/pull data to/from it & integrate it with other systems",
"timestamp": "2025-01-15T10:00:00Z"
}
} Field Reference
id Unique identifier for the workspace, project, or time entry object. name Human-readable name of the workspace or project. timeInterval Start and end timestamps for a time entry in ISO 8601 format. timeInterval.start ISO 8601 datetime when the timer was started. timeInterval.end ISO 8601 datetime when the timer was stopped; null if still running. duration Total duration of the time entry in ISO 8601 duration format (e.g., PT1H30M). Implementation Example
const url = "https://clockify.me/developers-api";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
headers: {
"X-API-Key": "YOUR_API_KEY"
}
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
Common Errors & Troubleshooting
Matrix Score Breakdown
Partially tested on Apr 5, 2026
Technical Specifications
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