--- title: "Silverfin API: connect it to your AI chat ยท Hypamoon" description: "The Silverfin API is documented, but access goes through Silverfin first. What it takes to connect it to your AI chat with Hypamoon, with sources." url: https://hypamoon.com/connect-to/silverfin --- 1. [Connect to](https://hypamoon.com/connect-to) 2. Silverfin ERP and accounting # Connect Silverfin to Hypamoon Possible, with help from Silverfin. The API is documented, but you cannot just create a key: access goes through Silverfin first. Possible ## The check Three questions about the API of Silverfin, answered from its own docs. **Public API docs**\ **Yes.** [Read the docs](https://developer.silverfin.com/reference/authentication) **A key you create yourself**\ **No.** The OAuth client ID is requested by email at api@getsilverfin.com. [developer.silverfin.com](https://developer.silverfin.com/reference/authentication) **Versions or a changelog**\ **Yes.** Version 4 is the supported stable version; older versions are documented as deprecated. [developer.silverfin.com](https://developer.silverfin.com/reference/get-started) **How it signs in**\ OAuth 2.0 authorization code flow with a client ID and secret you request from Silverfin; access tokens last two hours and refresh tokens work once. **Webhooks**\ **Not confirmed.** **Hosting**\ Cloud **Condition**\ The OAuth client is requested from Silverfin by email. ## In practice What it takes in a real Silverfin administration. **Getting access**\ Email api@getsilverfin.com to request an OAuth client ID and secret, then let a Silverfin user of the firm authorize your app. **Limits**\ 3,000 requests per minute per firm, and 300 per minute on the token endpoint; over the limit you get a 429 with Retry-After. [developer.silverfin.com](https://developer.silverfin.com/reference/authentication) **Writing**\ **Not confirmed.** Write scopes are mentioned in the scope list, but write support was not confirmed on the pages read. **Cost**\ Not published. ## Your own overview of client files on Silverfin, built around how your office closes the year. - Companies, periods, workflows and reconciliations, once Silverfin has issued your client. - AI that spots files that fall behind and decides who should pick them up, with you approving every step. - A screen for your team and a short weekly email. ### Ask your chat Answers straight from your Silverfin data, in Claude or another chat with the full Hypamoon connection. - Which client files still have open workflows for last year? - Which companies have unreconciled accounts this period? ### On a schedule Silverfin has no webhooks we could confirm, so an agent checks every 15 minutes and decides what happens next. 1. Every 15 minutes Every Friday afternoon. AI decides AI looks at open workflows per file and decides which ones need attention first. Then Each colleague gets an email with their files for next week. ### A screen for your team or customers An app on your own address, with sign-in, on top of the same Silverfin data. - For your team Your team sees progress per client file and per colleague. Silverfin 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 Silverfin waits for your approval, one call at a time. [How adapters work](https://hypamoon.com/docs/adapters) ### Good to know - Silverfin signs in with OAuth or signed requests only, with tokens that expire. The Hypamoon vault holds a fixed key today, so an adapter for Silverfin takes more work: ask your chat to check this first. - The limit is 3,000 requests per minute per firm. A webhooks scope exists, but how webhooks work is not described on the pages checked. ## Try it in your chat First get access from Silverfin. Then fill in what to read and write, and send it. Say this in your chat > Build the Hypamoon recipe build-an-adapter for Silverfin. API docs: https://developer.silverfin.com/reference/get-started. Read: \[what\]. Write: \[what, or nothing\]. [Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20Silverfin.%20API%20docs%3A%20https%3A%2F%2Fdeveloper.silverfin.com%2Freference%2Fget-started.%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.silverfin.com/reference/authentication](https://developer.silverfin.com/reference/authentication) - [developer.silverfin.com/reference/get-started](https://developer.silverfin.com/reference/get-started) Silverfin 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 Silverfin. Found something that changed? 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[**KashFlow** Unknown](https://hypamoon.com/connect-to/kashflow) - [**Money S3** Possible](https://hypamoon.com/connect-to/money-s3) - [**Money S5** Unknown](https://hypamoon.com/connect-to/money-s5) - [**InsERT Subiekt** Possible](https://hypamoon.com/connect-to/insert-subiekt) - [**Comarch ERP Optima** Unknown](https://hypamoon.com/connect-to/comarch-erp-optima) - [**Symfonia** Unknown](https://hypamoon.com/connect-to/symfonia) - [**Pandle** Possible](https://hypamoon.com/connect-to/pandle) - [**Modern Treasury** Open](https://hypamoon.com/connect-to/modern-treasury) - [**Trovata** Possible](https://hypamoon.com/connect-to/trovata) - [**Kyriba** Unknown](https://hypamoon.com/connect-to/kyriba) - [**Agicap** Open](https://hypamoon.com/connect-to/agicap) - [**Embat** Unknown](https://hypamoon.com/connect-to/embat) - [**Spendesk** Open](https://hypamoon.com/connect-to/spendesk) - [**Soldo** Open](https://hypamoon.com/connect-to/soldo) - [**Zoho Expense** Open](https://hypamoon.com/connect-to/zoho-expense) - 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[**Sage X3** Open](https://hypamoon.com/connect-to/sage-x3) - [**Sage 50 (UK)** Closed](https://hypamoon.com/connect-to/sage-50-uk) - [**TeamSystem Enterprise** Possible](https://hypamoon.com/connect-to/teamsystem-enterprise) - [**Zucchetti (Mago)** Unknown](https://hypamoon.com/connect-to/zucchetti-mago) - [**a3innuva** Possible](https://hypamoon.com/connect-to/a3innuva) - [**Cegid Primavera (ROSE and Jasmin)** Unknown](https://hypamoon.com/connect-to/cegid-primavera) - [**PHC GO** Possible](https://hypamoon.com/connect-to/phc-go) - [**QuickBooks Desktop** Open](https://hypamoon.com/connect-to/quickbooks-desktop) - [**Epicor Kinetic** Possible](https://hypamoon.com/connect-to/epicor-kinetic) - [**Infor CloudSuite (ION API)** Open](https://hypamoon.com/connect-to/infor-ion-api) [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 Silverfin? 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=silverfin) Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~silverfin#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~silverfin#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)