A time tracking API built to connect your entire tech stack

Connect Hubstaff to the tools you already use, automate the busywork, and see your workforce data the way you want it.
advanced time tracking integration

Connect time tracking data to every platform you run

Hubstaff’s time tracking API sends time, activity, PTO, payroll, and billing data to the tools you already use, with no nightly syncs or in-house connectors to maintain. Add teammates, approve time, and set limits straight from your existing systems while your workforce analytics stay in sync.

One API for the whole loop, from clock-in to client invoice

Hubstaff’s API covers clients, invoices, payments, PTO, and project budgets, as well as tracked time.

Time and activity

Time, activity, and screenshots via API

Pull tracked time, app and URL usage, attendance shifts, Job site visits, and optional screenshots into your BI tools or internal dashboards. Add time entries and approve or deny manual time requests through the same API.

time and activity data
PTO and scheduling

PTO, schedules, and real-time webhooks

Manage PTO and time-off policies, approve requests, and read balances from your HR tools. Set time limits per member and create Smart Notification rules without opening Hubstaff. Webhooks automatically send timer, schedule, attendance, and project events to your tools as they happen.

time off requests
Payroll

Payroll-ready timesheets and pay rates

Sync tracked hours, pay rates, and team payments into payroll or HRIS systems without manual exports. If a record changes after your last sync, Daily Activity Updates pull in the correction. Once a timesheet is approved, it’s locked.

hubstaff payroll
Invoicing and budgets

Clients, invoices, and project budgets

Create and update clients, read client invoices with line items, and pull project budgets and limit history into your finance tools. Billing stays tied to the hours actually tracked.

hubstaff invoices
custom solutions

Your workforce data, now AI-ready

Hubstaff’s API is built to be AI-ready, with an official CLI and MCP server that make it easy to explore endpoints, query data, and bring workforce data into the AI assistants you already use.

  • API. Raw access for developers, with every endpoint documented.
  • Hubstaff CLI. Easy interaction from the terminal. It discovers every endpoint from the published schema, with nothing hardcoded.
  • Hubstaff MCP server. Lets AI assistants like Claude and ChatGPT query and reason over your workforce data.

Ask in plain English who worked more than 40 hours last week, or which projects are over budget. You decide what AI tools can read or write: access is scoped, every action is logged, and you can revoke it anytime. All three are official, first-party Hubstaff tools.

Get a clearer view of your operations and make smarter decisions with AI-ready workforce data.

custom solutions

Create custom solutions for clients

Use filters to tailor the way you display data for your clients. Or take it a step further by building a portal that allows clients to log in to view activities, tasks, notes, and more.

Rebuild Time & Activity, Apps & URLs, and attendance views in your own dashboards or client portal, or automate weekly client reports for agencies, BPOs, and staffing firms that need to prove billed hours. See how teams build custom workflows with the Hubstaff API.

Always improving

Versioned endpoints and a public changelog keep every integration stable as the API grows. Published schema means the CLI automatically picks up new endpoints.

More data

Read and write users, projects, time entries, pay rates, clients, and invoices, with full activity and PTO data behind them. The Hubstaff Tasks API covers tasks, checklists, and comments.

Security IT will sign off on

Built on OAuth 2.0 and OpenID Connect. Every token follows the role-based permissions of the member behind it, and rate limits are published in the authentication guide.

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Live Demo

See the API, CLI, and MCP server in a guided tour against your own tech stack.

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David Judge / CEO, Affordable Staff

“If I didn’t have Hubstaff and all the features within Hubstaff, I would have to develop something myself, which would have cost a considerable amount of money.”

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35+ integrations

Native time tracking integrations for project management, payroll, and CRM, and the API for everything else.

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See what your team could build

Explore the developer API with interactive docs, guides, and live testing at developer.hubstaff.com, or take a guided tour with the Hubstaff team.

Your questions, answered

Frequently asked questions

Connect your workforce data to the tools that run your business

Hubstaff’s API gives IT and operations leaders the workforce intelligence their stack is missing, with time, activity, PTO, payroll, and billing data flowing wherever it’s needed.