Subscriptions
Helix has two subscriptions methods
- Helix Subscriptions - Simple recurring payments to be used if you are the entity selling the product.
- Helix Connect - Payments for platforms and marketplaces to be used if you are the platform which will facilitate payments on behalf of your sellers and customers.
A gas price premium is added to each blockchain operation by Helix.
- Gas fee + 20% charged in USDC.
- Processing fee (Total fee x 1.4% + 20 cents) charged in USDC.

Helix Hosted Checkout
- 1.
- 2.You'll then be invited to the Helix Admin Panel to setup your first product.
- 3.Send payment links direct to customer using our hosted checkout service or integrate directly using the API.
Use the API to integrate with Helix Subscriptions application to application.
- 1.Follow Authentication here to connect to the Helix API.
- 2.Create a Purchase Request
Request
{
"itemExternalId": "string", // Purchase Item ID in your DB
"sellerName": "string", // Name of the seller
"itemDescription": "string", // Description of the purchase item
"itemPrice": number, // Price of purchase
"userName": "string", // Buyer name
"userEmail": "string", // Buyer email
"userId": "string", //Buyer id in your DB
"creatorWalletAddress": "string", // Wallet address for creator royalty
"sellerWalletAddress": "string", // Wallet address for seller value
"creatorFee": number // Percentage of creator royalty
}
Response
{
success: bool,
data:
{
"url": "https://app.hlx.network/checkout/" // URL for checkout page
}
errors: ["string"]
}
3. Redirect customer to the checkout URL to complete purchase.
Last modified 5mo ago