---
title: "KBC API: connect it to your AI chat · Hypamoon"
description: "The KBC API is documented, but access goes through KBC first. What it takes to connect it to your AI chat with Hypamoon, with sources."
url: https://hypamoon.com/connect-to/kbc
---

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

Payments and billing

# Connect KBC to Hypamoon

Possible, with help from KBC. The API is documented, but you cannot just create a key: access goes through KBC first.

Possible

## The check

Three questions about the API of KBC, answered from its own docs.

**Public API docs**\
**Yes.** Public portal with PSD2 account information and payment initiation, plus partner APIs such as the KBC Business Account opening flow. [Read the docs](https://developer.kbc.be/)

**A key you create yourself**\
**No.** PSD2 APIs need a qualified certificate from a trust service provider; KBC's other open banking APIs are only for Belgian companies and need a partnership agreement. [developer.kbc.be](https://developer.kbc.be/production)

**Versions or a changelog**\
**Not confirmed.** The portal posts PSD2 change notices, but no version policy was found.

**How it signs in**\
OAuth 2.0 access and refresh tokens for PSD2 account information (refresh tokens last 180 days), over a connection with a qualified certificate.

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

**Hosting**\
Cloud

**Condition**\
PSD2 APIs need a licence as a third party provider and an eIDAS certificate; a normal company uses an aggregator. KBC's partner APIs are for Belgian companies with a signed partnership agreement and do not read your own accounts. Statements can also come in as a CODA file from KBC business banking.

## Your own payments overview on your KBC account, through a licensed aggregator.

-   Balances and transactions, after you give consent at KBC.
-   AI that matches incoming payments to invoices, with your team approving every match.

### Ask your chat

Answers straight from your KBC data, in Claude or another chat with the full Hypamoon connection.

-   Which customers paid their invoice this week?
-   How much went out to suppliers last month?

### On a schedule

KBC has no webhooks we could confirm, so an agent checks every 15 minutes and decides what happens next.

1.  Every 15 minutes

    New transactions since the last daily check.

    AI decides

    AI proposes which invoice or cost category each transaction belongs to.

    Then

    Your team gets an email with the proposals to approve.

### A screen for your team or customers

An app on your own address, with sign-in, on top of the same KBC data.

-   For your team

    A screen with incoming payments and the invoices they settle.

KBC 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 KBC waits for your approval, one call at a time. [How adapters work](https://hypamoon.com/docs/adapters)

### Good to know

-   KBC signs in with OAuth or signed requests only, with tokens that expire. The Hypamoon vault holds a fixed key today, so an adapter for KBC takes more work: ask your chat to check this first.
-   No KBC API for business customers to read their own accounts was found. Consent for PSD2 account access has to be renewed at the bank.

## Try it in your chat

First get access from KBC. Then fill in what to read and write, and send it.

Say this in your chat

> Build the Hypamoon recipe build-an-adapter for KBC. API docs: https://developer.kbc.be/. Read: \[what\]. Write: \[what, or nothing\].

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

-   [developer.kbc.be/](https://developer.kbc.be/)
-   [developer.kbc.be/production](https://developer.kbc.be/production)

KBC 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 KBC. 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 KBC?

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=kbc)

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