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

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

Payments and billing

# Connect Belfius to Hypamoon

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

Possible

## The check

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

**Public API docs**\
**Yes.** Public portal with live PSD2 APIs for account information, payment initiation and confirmation of funds. [Read the docs](https://developer.belfius.be/)

**A key you create yourself**\
**No.** Sandbox and production are only for third parties authorised under PSD2, who request access. [developer.belfius.be](https://developer.belfius.be/)

**Versions or a changelog**\
**Not confirmed.**

**How it signs in**\
Not described on the open pages; access is for authorised PSD2 providers.

**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. Statements can also come in as a CODA file from business banking.

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

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

### Ask your chat

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

-   Which invoices are still unpaid after 30 days?
-   What came in on the account yesterday?

### On a schedule

Belfius 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 each incoming payment settles.

    Then

    Your team gets an email with the matches to approve.

### A screen for your team or customers

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

-   For your team

    A screen with open invoices and the payments that came in against them.

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

### Good to know

-   Belfius only offers its PSD2 APIs; no API for business customers on their own accounts was found.

## Try it in your chat

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

Say this in your chat

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

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

Belfius 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 Belfius. 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 Belfius?

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=belfius)

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