--- title: "4PS Construct API: connect it to your AI chat ยท Hypamoon" description: "4PS Construct has an API, but the docs or the key come only after you ask 4PS Construct. What it takes to connect it to your AI chat, with sources." url: https://hypamoon.com/connect-to/4ps-construct --- 1. [Connect to](https://hypamoon.com/connect-to) 2. 4PS Construct Construction and field service # Connect 4PS Construct to Hypamoon Possible, with help from 4PS Construct. There is an API, but the docs or the key only come after you ask 4PS Construct for access. Possible ## The check Three questions about the API of 4PS Construct, answered from its own docs. **Public API docs**\ **No.** 4PS offers an API on top of Microsoft Dynamics 365 Business Central, but publishes no API reference; customers contact 4PS. [Read the docs](https://www.4ps.nl/4ps-api/) **A key you create yourself**\ **No.** Linking specialist software through the 4PS API goes through 4PS. [4ps.nl](https://www.4ps.nl/4ps-api/) **Versions or a changelog**\ **Not confirmed.** **How it signs in**\ Not confirmed. **Webhooks**\ **Not confirmed.** **Hosting**\ Cloud and self-hosted **Condition**\ Contact 4PS for the 4PS API. Standard Business Central data can also be reached through the Business Central APIs of your own tenant. ## What you can build Send hours and material use from your own field app into 4PS Construct, and get a weekly project margin summary. 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 - If you host it yourself, the API of your own installation must be reachable over HTTPS from the internet, so the adapter can call it. - Dutch and Belgian ERP for construction, civil engineering and installation, built on Microsoft Dynamics 365 Business Central. Standard Business Central data is reached through the Business Central API. ## Try it in your chat First get access from 4PS Construct. Then fill in what to read and write, and send it. Say this in your chat > Build the Hypamoon recipe build-an-adapter for 4PS Construct. API docs: https://www.4ps.nl/4ps-api/. Read: \[what\]. Write: \[what, or nothing\]. [Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%204PS%20Construct.%20API%20docs%3A%20https%3A%2F%2Fwww.4ps.nl%2F4ps-api%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. - [www.4ps.nl/4ps-api/](https://www.4ps.nl/4ps-api/) 4PS Construct 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 4PS Construct. 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 4PS Construct? 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=4ps-construct) Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~4ps-construct#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~4ps-construct#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)