--- title: "Spendesk API: connect it to your AI chat ยท Hypamoon" description: "The Spendesk API is open, signs in with an API key and sends webhooks. What your AI chat can build with it on Hypamoon, with sources." url: https://hypamoon.com/connect-to/spendesk --- 1. [Connect to](https://hypamoon.com/connect-to) 2. Spendesk ERP and accounting # Connect Spendesk to Hypamoon Yes. Spendesk 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 Spendesk, answered from its own docs. **Public API docs**\ **Yes.** [Read the docs](https://developer.spendesk.com/reference/how-to-authenticate.md) **A key you create yourself**\ **Yes.** An Account Owner or Admin creates a company API key under Settings, Integrations, Manage API access. [developer.spendesk.com](https://developer.spendesk.com/reference/getting-access.md) **Versions or a changelog**\ **Yes.** The major version is in the URL path; only backwards compatible changes within a version, and deprecations are announced with a Deprecation header. [developer.spendesk.com](https://developer.spendesk.com/reference/versioning-deprecation.md) **How it signs in**\ Exchange the company API key for a short lived access token and send it as a bearer token; each endpoint needs a scope such as payable:read. **Webhooks**\ **Yes.** It can tell your app when something changes. [developer.spendesk.com](https://developer.spendesk.com/reference/using-webhooks.md) **Hosting**\ Cloud ## Your own spend overview on Spendesk, built around how your team buys things. - Payables, receipts, settlements and budgets, from the scopes you give the key. - AI that checks receipts and suggests the cost category, with a person approving each one. - A screen for your team and a short weekly email for finance. ### Ask your chat Answers straight from your Spendesk data, in Claude or another chat with the full Hypamoon connection. - Which payables from last month still have no receipt? - Which teams went over their budget this quarter? ### When something happens Spendesk sends a webhook to your app, and the app asks AI what happens next. 1. When A new payable is created in Spendesk. AI decides AI reads the receipt and checks amount, VAT and supplier against earlier payables. Then Finance gets an email when something looks off. ### A screen for your team or customers An app on your own address, with sign-in, on top of the same Spendesk data. - For your team Each budget owner sees open payables and missing receipts for their own team. ### 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 each employee the receipts they still need to upload. Spendesk 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 Spendesk 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. - Webhooks are marked experimental and are available on request; they cover payable creation, payable preparation and settlement creation. OAuth apps for many customers go through the Spendesk partnerships team. ## 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 Spendesk. API docs: https://developer.spendesk.com/reference/getting-access.md. Read: \[what\]. Write: \[what, or nothing\]. [Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20Spendesk.%20API%20docs%3A%20https%3A%2F%2Fdeveloper.spendesk.com%2Freference%2Fgetting-access.md.%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.spendesk.com/reference/how-to-authenticate.md](https://developer.spendesk.com/reference/how-to-authenticate.md) - [developer.spendesk.com/reference/getting-access.md](https://developer.spendesk.com/reference/getting-access.md) - [developer.spendesk.com/reference/versioning-deprecation.md](https://developer.spendesk.com/reference/versioning-deprecation.md) - [developer.spendesk.com/reference/using-webhooks.md](https://developer.spendesk.com/reference/using-webhooks.md) Spendesk 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 Spendesk. 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 Spendesk? 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=spendesk) Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~spendesk#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~spendesk#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)