--- title: "Moloni API: connect it to your AI chat ยท Hypamoon" description: "The Moloni 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/moloni --- 1. [Connect to](https://hypamoon.com/connect-to) 2. Moloni ERP and accounting # Connect Moloni to Hypamoon Yes, with one catch. Moloni 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 Moloni, answered from its own docs. **Public API docs**\ **Yes.** [Read the docs](https://moloni.pt/dev/) **A key you create yourself**\ **Yes.** Enable the API yourself under Settings > Developers, set a Developer ID and callback URI, and get a client secret; developers never pay for this. [moloni.pt](https://moloni.pt/dev/criar-uma-conta) **Versions or a changelog**\ **Yes.** Numbered API versions with a dated changelog. [moloni.pt](https://moloni.pt/changelog/api/versao-1-25) **How it signs in**\ OAuth 2.0 with your developer ID and client secret, using your Moloni login or an authorization code; access tokens last 1 hour and refresh tokens 14 days. **Webhooks**\ **Not confirmed.** **Hosting**\ Cloud ## In practice What it takes in a real Moloni administration. **Getting access**\ You enable the API in your own Moloni account under Settings > Developers, set a Developer ID and callback URI, and use the client secret you get to request tokens. **Limits**\ None published. **Writing**\ **Read and write.** Insert documents such as invoices with invoices/insert, as a draft or closed. **Cost**\ Developers never have to pay for API access, according to Moloni. [moloni.pt](https://moloni.pt/dev/criar-uma-conta) ## Your own customer portal on Moloni, with documents and payments in one place. - Customers, products, stock and documents such as invoices and receipts, straight from Moloni. - AI that drafts invoices from orders and spots customers who pay late, with you approving every change. - A portal for your customers and a short weekly email for you. ### Ask your chat Answers straight from your Moloni data, in Claude or another chat with the full Hypamoon connection. - Which customers have open invoices past their due date? - Which products sold most this month? ### On a schedule Moloni has no webhooks we could confirm, so an agent checks every 15 minutes and decides what happens next. 1. Every 15 minutes New orders from your own web form that are not invoiced yet. AI decides AI matches the customer and the products and checks the tax and exemption reason. Then A draft invoice is created in Moloni. AI proposes, you approve ### A screen for your team or customers An app on your own address, with sign-in, on top of the same Moloni data. - For your customers Customers sign in and see their own invoices and receipts, straight from Moloni. ### Add Hypamoon Text messages, email, phone, payments and agents run in the same project as the adapter. - Agent on a schedule Once a week, an agent emails you the invoices that passed their due date. Moloni 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 Moloni waits for your approval, one call at a time. [How adapters work](https://hypamoon.com/docs/adapters) ### Good to know - Moloni signs in with OAuth or signed requests only, with tokens that expire. The Hypamoon vault holds a fixed key today, so an adapter for Moloni takes more work: ask your chat to check this first. - Tokens expire, so an adapter has to refresh them; the password flow needs a Moloni login, best a separate user for the integration. ## 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 Moloni. API docs: https://moloni.pt/dev/. Read: \[what\]. Write: \[what, or nothing\]. [Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20Moloni.%20API%20docs%3A%20https%3A%2F%2Fmoloni.pt%2Fdev%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. - [moloni.pt/dev/](https://moloni.pt/dev/) - [moloni.pt/dev/criar-uma-conta](https://moloni.pt/dev/criar-uma-conta) - [moloni.pt/changelog/api/versao-1-25](https://moloni.pt/changelog/api/versao-1-25) Moloni 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 Moloni. 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 Moloni? 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=moloni) Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~moloni#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~moloni#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)