--- title: "MKG API: connect it to your AI chat ยท Hypamoon" description: "The MKG API is documented, but access goes through MKG first. What it takes to connect it to your AI chat with Hypamoon, with sources." url: https://hypamoon.com/connect-to/mkg --- 1. [Connect to](https://hypamoon.com/connect-to) 2. MKG ERP and accounting # Connect MKG to Hypamoon Possible, with help from MKG. The API is documented, but you cannot just create a key: access goes through MKG first. Possible ## The check Three questions about the API of MKG, answered from its own docs. **Public API docs**\ **Yes.** MKG publishes public knowledge base articles on the API, its calls and its webhooks. [Read the docs](https://www.mkg.eu/en-GB/my-mkg/support/knowledge-center/id/4767/introduction-to-the-mkg-api) **A key you create yourself**\ **No.** The API is part of the MKG Exchange licence, which has to be in place before you can use it. [mkg.eu](https://www.mkg.eu/en-GB/my-mkg/support/knowledge-center/id/4767/introduction-to-the-mkg-api) **Versions or a changelog**\ **Yes.** Numbered API versions; the current guides describe API v3. [mkg.eu](https://www.mkg.eu/mijn-mkg/support/kenniscentrum/id/10924/Hoe-werken-MKG-API-aanroepen) **How it signs in**\ Sign in with an MKG user name and password to get a session cookie, and send the API key of your API application in the X-CustomerID header on every call; a session ends after about 30 minutes without use. **Webhooks**\ **Yes.** It can tell your app when something changes. [mkg.eu](https://www.mkg.eu/nl-NL/mijn-mkg/support/kenniscentrum/id/13284/wat-zijn-webhooks-en-hoe-richt-je-deze-in) **Hosting**\ Cloud and self-hosted **Condition**\ Needs the MKG Exchange licence. ## In practice What it takes in a real MKG administration. **Getting access**\ You need the MKG Exchange licence. An administrator then creates an API application in MKG, which gives an API key, and an MKG user with the right read or write rights for the integration. **Limits**\ None published. **Writing**\ **Read and write.** Create and change records with POST and PUT, for example sales orders, relations and quotes, when the user has read and write access. **Cost**\ Needs the MKG Exchange licence; MKG does not publish the price on its API pages. [mkg.eu](https://www.mkg.eu/en-GB/my-mkg/support/knowledge-center/id/4767/introduction-to-the-mkg-api) ## Your own order status portal on MKG, for customers who want to know where their order is. - Relations, sales orders, production orders, stock and articles, through the MKG API. - AI that spots production orders that will miss their delivery date and tells sales. - A portal for your customers and an email to the planner when something slips. ### Ask your chat Answers straight from your MKG data, in Claude or another chat with the full Hypamoon connection. - Which sales orders are due this week but not finished in production yet? - What is the current stock of this article? ### When something happens MKG sends a webhook to your app for some events, and the app asks AI what happens next. For the rest an agent checks every 15 minutes. 1. When A sales order line is created or changed in MKG. AI decides AI checks the promised delivery date against the production planning. Then Sales gets an email when a date looks unrealistic. 2. Every 15 minutes New orders from the order form on your own site. AI decides AI checks the article codes, quantities and customer, and flags anything odd. Then A sales order is created in MKG after you approve. AI proposes, you approve ### A screen for your team or customers An app on your own address, with sign-in, on top of the same MKG data. - For your customers Customers sign in and see their open orders, expected delivery dates and past orders from MKG. MKG stays the core: your chat builds the rest on its API, as an adapter plus an app and agents in your Hypamoon project. Reading starts after you click Allow in the portal. Every change an agent or a chat makes in MKG waits for your approval, one call at a time. [How adapters work](https://hypamoon.com/docs/adapters) ### Good to know - Your adapter uses a fixed key: you paste it once in the Hypamoon portal, never in the chat, and it only goes to the API host you allow. - MKG says the API is not available in MKG cloud environments for now. It runs on your own MKG server, at an address like https://server:port/mkg, which has to be reachable over HTTPS from the internet. - Access always runs through an MKG user with read or read and write rights set in the authorisation overview; MKG advises a separate user per API application. Webhooks follow the Standard Webhooks specification and are still in beta. ## Try it in your chat First get access from MKG. Then fill in what to read and write, and send it. Say this in your chat > Build the Hypamoon recipe build-an-adapter for MKG. API docs: https://www.mkg.eu/en-GB/my-mkg/support/knowledge-center/id/4767/introduction-to-the-mkg-api. Read: \[what\]. Write: \[what, or nothing\]. [Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20MKG.%20API%20docs%3A%20https%3A%2F%2Fwww.mkg.eu%2Fen-GB%2Fmy-mkg%2Fsupport%2Fknowledge-center%2Fid%2F4767%2Fintroduction-to-the-mkg-api.%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.mkg.eu/en-GB/my-mkg/support/knowledge-center/id/4767/introduction-to-the-mkg-api](https://www.mkg.eu/en-GB/my-mkg/support/knowledge-center/id/4767/introduction-to-the-mkg-api) - [www.mkg.eu/mijn-mkg/support/kenniscentrum/id/10924/Hoe-werken-MKG-API-aanroepen](https://www.mkg.eu/mijn-mkg/support/kenniscentrum/id/10924/Hoe-werken-MKG-API-aanroepen) - [www.mkg.eu/nl-NL/mijn-mkg/support/kenniscentrum/id/13284/wat-zijn-webhooks-en-hoe-richt-je-deze-in](https://www.mkg.eu/nl-NL/mijn-mkg/support/kenniscentrum/id/13284/wat-zijn-webhooks-en-hoe-richt-je-deze-in) MKG 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 MKG. 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 MKG? 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=mkg) Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~mkg#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~mkg#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)