Loop allows merchants to self-serve to our developer sandbox environment for free or to a production environment for a small fee.

You can get started here: www.start.loopcrypto.xyz

Requirements

You will need a Restricted API key from Stripe. Here are directions on how to create one.
To test paying with crypto, you will need a wallet. Here are directs on how to get one.

On Production Loop support any EVM Network and Solana.

On our Sandbox/Demo environment, only Sepolia and Solana Devnet are supported. You can find a list of supported tokens here.

Environment	API URL
Production	https://api.loopcrypto.xyz
Demo	https://demo.api.loopcrypto.xyz

Create a restricted API key in Stripe

Log into Stripe
Make sure you are on the environment you'd like to connect. For sandbox accounts, make sure make sure your Stripe account is in Test mode or SandBox and for production accounts, make sure your Stripe is in live mode.
Use the global search to navigate to the Developers > API Key page
Click create a restricted key
Click create a 3rd party key
(optional) Input Loop Crypto
Create key

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Your restricted key should start with "rk_" on production and "rk_test" on Test mode.

You can add other users to your dashboard using the add users endpoint with the following roles:
- company - Will have admin privileges
- company_read- Can only read data on the dashboard
Please note, the user will not be notified that they have been added. You will need to tell them to login to the company dashboard with the email address you provided.
Login and explore the Company Dashboard at admin.loopcrypto.xyz (sandbox environment at demo.admin.loopcrypto.xyz . The first time you login you will be asked to set up 2FA
Learn how to set default tokens here.
Learn how to create your first payment link for subscriptions or one-time product sales
Learn how to get paid for one-off invoices not tied to a subscription here
Learn how what happens after a payment takes place
Learn how to handle upgrades, downgrades, and cancellations
Learn how Loop handles renew payments
Learn about how Loop helps you collect payments with our customer notifications
Learn how refunds are handled
Learn how you can settle in fiat
Learn about how to handle Webhooks here