--- title: "TimeTac API: connect it to your AI chat ยท Hypamoon" description: "The TimeTac API is open, signs in with OAuth and sends webhooks. What your AI chat can build with it on Hypamoon, how it connects, and the sources we checked." url: https://hypamoon.com/connect-to/timetac --- 1. [Connect to](https://hypamoon.com/connect-to) 2. TimeTac HR, payroll and shifts # Connect TimeTac to Hypamoon Yes, with one catch. TimeTac has an open API that you can use yourself, but it signs in with OAuth only, and that takes more work in a Hypamoon adapter today. Open ## The check Three questions about the API of TimeTac, answered from its own docs. **Public API docs**\ **Yes.** [Read the docs](https://docs.timetac.com/doc/v3/) **A key you create yourself**\ **Yes.** You create the OAuth client ID and secret yourself in your TimeTac account; client credentials grant is supported since June 2024. [docs.timetac.com](https://docs.timetac.com/) **Versions or a changelog**\ **Yes.** Versioned API docs and a changelog. [docs.timetac.com](https://docs.timetac.com/doc/v3/) **How it signs in**\ OAuth 2.0. **Webhooks**\ **Yes.** It can tell your app when something changes. [docs.timetac.com](https://docs.timetac.com/doc/v3/) **Hosting**\ Cloud ## What you can build See who is clocked in and who is on leave today from your chat, and get a weekly overtime list. Your chat writes it as a Hypamoon adapter from the docs above. Reading starts after you click Allow in the portal, and every write waits for your approval, one call at a time. [How adapters work](https://hypamoon.com/docs/adapters) ### Good to know - TimeTac signs in with OAuth or signed requests only, with tokens that expire. The Hypamoon vault holds a fixed key today, so an adapter for TimeTac takes more work: ask your chat to check this first. ## Try it in your chat Fill in what to read and write, and send it. Say this in your chat > Build the Hypamoon recipe build-an-adapter for TimeTac. API docs: https://docs.timetac.com/doc/v3/. Read: \[what\]. Write: \[what, or nothing\]. [Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20TimeTac.%20API%20docs%3A%20https%3A%2F%2Fdocs.timetac.com%2Fdoc%2Fv3%2F.%20Read%3A%20%5Bwhat%5D.%20Write%3A%20%5Bwhat%2C%20or%20nothing%5D.) In Claude, or another chat with the full Hypamoon connection; adapters are not in ChatGPT yet. You paste the key in the portal, never in the chat. [The full recipe](https://hypamoon.com/r/build-an-adapter) ## Sources Checked on 7 November 2026. - [docs.timetac.com/doc/v3/](https://docs.timetac.com/doc/v3/) - [docs.timetac.com/](https://docs.timetac.com/) TimeTac is a name of its owner, used here only to describe the software. This page is not an official integration and Hypamoon has no partnership with TimeTac. Found something that changed? 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Ask the chat to check its API. The same three checks work for any software. Your chat reads the vendor's own docs and tells you what it found. Say this in your chat > Check if \[software\] has an open API that a Hypamoon adapter can use: public API docs, a key or token I can create myself without asking the vendor, and versions or a changelog. Link the pages you used. [Open in Claude](https://claude.ai/new?q=Check%20if%20%5Bsoftware%5D%20has%20an%20open%20API%20that%20a%20Hypamoon%20adapter%20can%20use%3A%20public%20API%20docs%2C%20a%20key%20or%20token%20I%20can%20create%20myself%20without%20asking%20the%20vendor%2C%20and%20versions%20or%20a%20changelog.%20Link%20the%20pages%20you%20used.) [Open in ChatGPT](https://chatgpt.com/?q=Check%20if%20%5Bsoftware%5D%20has%20an%20open%20API%20that%20a%20Hypamoon%20adapter%20can%20use%3A%20public%20API%20docs%2C%20a%20key%20or%20token%20I%20can%20create%20myself%20without%20asking%20the%20vendor%2C%20and%20versions%20or%20a%20changelog.%20Link%20the%20pages%20you%20used.) Fill in the name of your software. Checking needs no connection to Hypamoon. ## Ready to connect TimeTac? Connect your chat once, then ask it to build the adapter. [Start free](https://app.hypamoon.com/?mode=signup&utm_source=connect-to&utm_campaign=timetac) Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~timetac#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~timetac#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)