--- title: "Procountor API: connect it to your AI chat ยท Hypamoon" description: "The Procountor API is documented, but access goes through Procountor first. What it takes to connect it to your AI chat with Hypamoon, with sources." url: https://hypamoon.com/connect-to/procountor --- 1. [Connect to](https://hypamoon.com/connect-to) 2. Procountor ERP and accounting # Connect Procountor to Hypamoon Possible, with help from Procountor. The API is documented, but you cannot just create a key: access goes through Procountor first. Possible ## The check Three questions about the API of Procountor, answered from its own docs. **Public API docs**\ **Yes.** [Read the docs](https://dev.procountor.com/) **A key you create yourself**\ **No.** Developers request a testing environment with credentials, and contact Procountor before using an integration in production. [dev.procountor.com](https://dev.procountor.com/) **Versions or a changelog**\ **Not confirmed.** Release notes are mentioned, but no versioning policy was found. **How it signs in**\ OAuth 2.0 access tokens; machine to machine authentication is recommended for commercial integrations. **Webhooks**\ **Yes.** It can tell your app when something changes. [dev.procountor.com](https://dev.procountor.com/) **Hosting**\ Cloud **Condition**\ Testing is free in a private test environment. Production use goes through Procountor, and API pricing may apply in production. ## In practice What it takes in a real Procountor administration. **Getting access**\ Request a testing environment on the Procountor developer portal, build against it, then contact Procountor for production access. **Limits**\ None published. **Writing**\ **Not confirmed.** Not confirmed from the pages that could be opened. **Cost**\ Free in the test environment; API pricing and transaction rates may apply in production. [dev.procountor.com](https://dev.procountor.com/) ## Your own invoice follow up on Procountor, built around your customers. - Invoices, customers and payments, through the API endpoints Procountor opens for you. - AI that spots late payers and drafts a friendly reminder, with you approving each one. - A screen for your team and a short weekly email for you. ### Ask your chat Answers straight from your Procountor data, in Claude or another chat with the full Hypamoon connection. - Which sales invoices are overdue? - Which customers paid later than usual this quarter? ### When something happens Procountor sends a webhook to your app, and the app asks AI what happens next. 1. When Procountor reports a change you subscribed to, such as an invoice update. AI decides AI looks at the invoice and the customer's history and decides whether a reminder is needed. Then The account owner gets an email with a draft reminder to approve. ### A screen for your team or customers An app on your own address, with sign-in, on top of the same Procountor data. - For your team Your team sees open invoices per customer and which ones need a reminder. ### Add Hypamoon Text messages, email, phone, payments and agents run in the same project as the adapter. - Email A weekly email with the customers who started paying late. Procountor 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 Procountor waits for your approval, one call at a time. [How adapters work](https://hypamoon.com/docs/adapters) ### Good to know - Procountor signs in with OAuth or signed requests only, with tokens that expire. The Hypamoon vault holds a fixed key today, so an adapter for Procountor takes more work: ask your chat to check this first. - Do not put secrets or tokens in request URLs. API certification is needed only to join the Procountor Partner Program. ## Try it in your chat First get access from Procountor. Then fill in what to read and write, and send it. Say this in your chat > Build the Hypamoon recipe build-an-adapter for Procountor. API docs: https://dev.procountor.com/. Read: \[what\]. Write: \[what, or nothing\]. [Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20Procountor.%20API%20docs%3A%20https%3A%2F%2Fdev.procountor.com%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. - [dev.procountor.com/](https://dev.procountor.com/) Procountor 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 Procountor. 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 Procountor? 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=procountor) Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~procountor#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~procountor#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)