--- title: "Visma AccountView API: connect it to your AI chat ยท Hypamoon" description: "The Visma AccountView API is documented, but access goes through Visma AccountView first. What it takes to connect it to your AI chat, with sources." url: https://hypamoon.com/connect-to/visma-accountview --- 1. [Connect to](https://hypamoon.com/connect-to) 2. Visma AccountView ERP and accounting # Connect Visma AccountView to Hypamoon Possible, with help from Visma AccountView. The API is documented, but you cannot just create a key: access goes through Visma AccountView first. Possible ## The check Three questions about the API of Visma AccountView, answered from its own docs. **Public API docs**\ **Yes.** The requirements and setup of the AccountView.Net web API are public; the full reference appears on the Developer tab in AccountView.Net once AccountView Support switches it on. [Read the docs](https://accountview.nl/support/accountview.net-web-api-apps-ontwikkelen) **A key you create yourself**\ **No.** AccountView Support must switch on the Developer tab on request, and the licence needs Team or Business plus the Online Connector or Communication Service Online module. [accountview.nl](https://accountview.nl/support/accountview.net-web-api-apps-ontwikkelen) **Versions or a changelog**\ **Yes.** AccountView ships numbered versions (such as 9.7a) with release notes and setup guides per version. [accountview.nl](https://accountview.nl/support/accountview.net-web-api-apps-ontwikkelen) **How it signs in**\ Apps sign in through AccountView.Net and are linked to an AccountView user; the exact flow is in the gated developer docs. **Webhooks**\ **Not confirmed.** **Hosting**\ Cloud and self-hosted **Condition**\ Needs a recent AccountView Team or Business licence with the Online Connector, an active AccountView.Net environment, the AccountView Communication Service on the server, and the Developer tab switched on by AccountView Support. ## In practice What it takes in a real Visma AccountView administration. **Getting access**\ Not publicly documented; an AccountView.Net environment is created from the Options menu in AccountView, then contact Visma. **Limits**\ None published. **Writing**\ **Not confirmed.** **Cost**\ Not published. ## What you can build Look up customers and open invoices in AccountView from your chat, and create orders from a web form, once the web API is switched on. 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 - AccountView runs on Windows; the AccountView Communication Service connects the local installation to AccountView.Net, so the adapter talks to AccountView.Net over the internet. - AccountView advises building the link together with your AccountView reseller, who knows the database structure. The Data Dictionary and API Builder apps help build requests. ## Try it in your chat First get access from Visma AccountView. Then fill in what to read and write, and send it. Say this in your chat > Build the Hypamoon recipe build-an-adapter for Visma AccountView. API docs: https://accountview.nl/support/accountview.net-web-api-apps-ontwikkelen. Read: \[what\]. Write: \[what, or nothing\]. [Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20Visma%20AccountView.%20API%20docs%3A%20https%3A%2F%2Faccountview.nl%2Fsupport%2Faccountview.net-web-api-apps-ontwikkelen.%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. - [accountview.nl/support/accountview.net-web-api-apps-ontwikkelen](https://accountview.nl/support/accountview.net-web-api-apps-ontwikkelen) Visma AccountView 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 Visma AccountView. 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 Visma AccountView? 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=visma-accountview) Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~visma-accountview#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~visma-accountview#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)