--- title: "GoCardless API: connect it to your AI chat ยท Hypamoon" description: "The GoCardless 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/gocardless --- 1. [Connect to](https://hypamoon.com/connect-to) 2. GoCardless Payments and billing # Connect GoCardless to Hypamoon Yes. GoCardless 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 GoCardless, answered from its own docs. **Public API docs**\ **Yes.** Public API reference and guides on the GoCardless developer docs. [Read the docs](https://docs.gocardless.com/docs/api-reference) **A key you create yourself**\ **Yes.** You create an access token yourself in the Developers section of the dashboard, with read only or read and write access. [docs.gocardless.com](https://docs.gocardless.com/docs/getting-started/set-up) **Versions or a changelog**\ **Yes.** Every request names a released API version in the GoCardless-Version header, and a dated API changelog is published. [docs.gocardless.com](https://docs.gocardless.com/docs/api-reference/changelog) **How it signs in**\ An access token from the Developers section of your dashboard, sent as a bearer token with a GoCardless-Version header; OAuth is for partners who connect other merchants. **Webhooks**\ **Yes.** It can tell your app when something changes. [docs.gocardless.com](https://docs.gocardless.com/docs/api-reference/webhooks) **Hosting**\ Cloud ## Your own Direct Debit overview on GoCardless, for your team and your customers. - Customers, mandates, payments, subscriptions and payouts, straight from GoCardless. - AI that looks at failed payments and decides who needs a friendly reminder. - A screen for your customers and an email when a mandate is cancelled. ### Ask your chat Answers straight from your GoCardless data, in Claude or another chat with the full Hypamoon connection. - Which payments failed this month, and for which customers? - Which mandates were cancelled in the last 30 days? ### When something happens GoCardless sends a webhook to your app, and the app asks AI what happens next. 1. When A payment fails or a mandate is cancelled. AI decides AI looks at the customer's history and decides whether to retry, send a reminder or alert you. Then The customer gets an email from your app, or you get a short note. ### A screen for your team or customers An app on your own address, with sign-in, on top of the same GoCardless data. - For your customers Customers sign in and see their mandate, past payments and the next collection date. ### Add Hypamoon Text messages, email, phone, payments and agents run in the same project as the adapter. - Email A customer gets a short email before a larger than usual collection. GoCardless 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 GoCardless 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. - Sandbox and live tokens are separate and only work in their own environment. Webhook requests are signed per endpoint. ## 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 GoCardless. API docs: https://docs.gocardless.com/docs/api-reference. Read: \[what\]. Write: \[what, or nothing\]. [Open in Claude](https://claude.ai/new?q=Build%20the%20Hypamoon%20recipe%20build-an-adapter%20for%20GoCardless.%20API%20docs%3A%20https%3A%2F%2Fdocs.gocardless.com%2Fdocs%2Fapi-reference.%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.gocardless.com/docs/api-reference](https://docs.gocardless.com/docs/api-reference) - [docs.gocardless.com/docs/getting-started/set-up](https://docs.gocardless.com/docs/getting-started/set-up) - [docs.gocardless.com/docs/api-reference/changelog](https://docs.gocardless.com/docs/api-reference/changelog) - [docs.gocardless.com/docs/api-reference/webhooks](https://docs.gocardless.com/docs/api-reference/webhooks) GoCardless 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 GoCardless. Found something that changed? Tell us at [support](https://hypamoon.com/support#contact). ## More in payments and billing - [**Adyen** Open](https://hypamoon.com/connect-to/adyen) - [**Authorize.net** Open](https://hypamoon.com/connect-to/authorize-net) - [**Buckaroo** Unknown](https://hypamoon.com/connect-to/buckaroo) - [**Chargebee** Open](https://hypamoon.com/connect-to/chargebee) - [**Klarna** Open](https://hypamoon.com/connect-to/klarna) - [**Mollie** Open](https://hypamoon.com/connect-to/mollie) - [**MultiSafepay** Open](https://hypamoon.com/connect-to/multisafepay) - [**PayPal** Open](https://hypamoon.com/connect-to/paypal) - [**Recurly** Open](https://hypamoon.com/connect-to/recurly) - [**Stripe** Open](https://hypamoon.com/connect-to/stripe) - [**WeFact** Open](https://hypamoon.com/connect-to/wefact) - [**Pay.** Open](https://hypamoon.com/connect-to/pay-nl) - [**Billit** Open](https://hypamoon.com/connect-to/billit) - [**easybill** Open](https://hypamoon.com/connect-to/easybill) - [**Paddle** Open](https://hypamoon.com/connect-to/paddle) - 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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 GoCardless? 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=gocardless) Works in Claude, ChatGPT and Copilot. [Add to Claude](https://hypamoon.com/connect?via=connect-to~gocardless#claude) [Add to ChatGPT](https://hypamoon.com/connect?via=connect-to~gocardless#chatgpt) [Add to Copilot](https://hypamoon.com/docs/microsoft-copilot)