---
title: "PayPlug API: connect it to your AI chat · Hypamoon"
description: "The PayPlug API is open, signs in with a bearer token and sends webhooks. What your AI chat can build with it on Hypamoon, with sources."
url: https://hypamoon.com/connect-to/payplug
---

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

Payments and billing

# Connect PayPlug to Hypamoon

Yes. PayPlug has a public, versioned API and you create the key yourself, so your chat can write the adapter.

Open

## The check

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

**Public API docs**\
**Yes.** [Read the docs](https://docs.payplug.com/api/apiref.html)

**A key you create yourself**\
**Yes.** You generate a test or live API key under My account, API keys in the PayPlug Portal; it is shown once. [docs.payplug.com](https://docs.payplug.com/api/apiref.html)

**Versions or a changelog**\
**Yes.** Dated versions in the PayPlug-Version header and a dated changelog. [docs.payplug.com](https://docs.payplug.com/api/changelog.html)

**How it signs in**\
API key from your own portal, sent as a Bearer token, with the PayPlug-Version header.

**Webhooks**\
**Yes.** It can tell your app when something changes. [docs.payplug.com](https://docs.payplug.com/api/apiref.html)

**Hosting**\
Cloud

**Condition**\
You need an approved PayPlug merchant account for live keys.

## Your own payments desk on PayPlug, next to your orders.

-   Payments, refunds and installment payments, straight from PayPlug.
-   AI that matches payments to orders and follows failed ones, with you approving every refund.
-   A text message with a new payment link when a payment fails.

### Ask your chat

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

-   Which payments failed yesterday, and for which orders?
-   How much did we refund this month?

### When something happens

PayPlug sends a webhook to your app, and the app asks AI what happens next.

1.  When

    A payment is updated.

    AI decides

    AI matches the payment to the order and checks if something is off.

    Then

    Your team gets a short note when an order needs a look.

### Add Hypamoon

Text messages, email, phone, payments and agents run in the same project as the adapter.

-   Text message, Netherlands for now

    A payment fails, and the customer gets a text message with a new payment link.

PayPlug 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 PayPlug 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.
-   Older secret keys (sk\_live\_, sk\_test\_) stop working in a few months; switch to an API key. Notifications go to the notification\_url you set on each payment.

## 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 PayPlug. API docs: https://docs.payplug.com/api/apiref.html. Read: \[what\]. Write: \[what, or nothing\].

[Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20PayPlug.%20API%20docs%3A%20https%3A%2F%2Fdocs.payplug.com%2Fapi%2Fapiref.html.%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.

-   [docs.payplug.com/api/apiref.html](https://docs.payplug.com/api/apiref.html)
-   [docs.payplug.com/api/changelog.html](https://docs.payplug.com/api/changelog.html)

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

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## 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 PayPlug?

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=payplug)

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