---
title: "Kontist API: connect it to your AI chat · Hypamoon"
description: "The Kontist API is open and signs in with OAuth. What your AI chat can build with it on Hypamoon, how it connects, and the sources we checked."
url: https://hypamoon.com/connect-to/kontist
---

1.  [Connect to](https://hypamoon.com/connect-to)
2.  Kontist

Payments and billing

# Connect Kontist to Hypamoon

Yes, with one catch. Kontist 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 Kontist, answered from its own docs.

**Public API docs**\
**Yes.** The Kontist Developer Portal documents a GraphQL API with a playground, an SDK and OAuth 2.0 guides. [Read the docs](https://kontist.dev/docs/)

**A key you create yourself**\
**Yes.** Every Kontist account holder can create their own OAuth 2.0 client ID and secret in the API Client Management on the developer portal. [kontist.dev](https://kontist.dev/docs/)

**Versions or a changelog**\
**Yes.** Fields that will go are marked deprecated in the schema first, and the SDK is published with versions on npm. [kontist.dev](https://kontist.dev/docs/)

**How it signs in**\
OAuth 2.0 authorization code flow (with PKCE as an option) using a client you register yourself; tokens can be refreshed with the offline scope.

**Webhooks**\
**Not confirmed.**

**Hosting**\
Cloud

**Condition**\
Needs a Kontist bank account.

## What you can build

Pull your Kontist transactions into your own bookkeeping app from your chat, and prepare transfers for approval.

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

-   Kontist signs in with OAuth or signed requests only, with tokens that expire. The Hypamoon vault holds a fixed key today, so an adapter for Kontist takes more work: ask your chat to check this first.
-   The API is GraphQL at api.kontist.com/api/graphql. Scopes cover accounts, statements, transactions, transfers and subscriptions.

## 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 Kontist. API docs: https://kontist.dev/docs/. Read: \[what\]. Write: \[what, or nothing\].

[Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20Kontist.%20API%20docs%3A%20https%3A%2F%2Fkontist.dev%2Fdocs%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.

-   [kontist.dev/docs/](https://kontist.dev/docs/)

Kontist 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 Kontist. Found something that changed? Tell us at [support](https://hypamoon.com/support#contact).

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[All 1094 tools](https://hypamoon.com/connect-to)

## Tool not listed? 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 Kontist?

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=kontist)

Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~kontist#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~kontist#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)