| API Name | Description | Category | Followers | Versions |
|---|---|---|---|---|
| Stripe | The Stripe API allows developers to access the functionality of Stripe. Some example API methods include sending invoices, accepting payments, managing subscription billing, and editing and managing... | Payments | 159 | REST v1 |
| Recurly | The Recurly API provides a recurring subscription billing system for online businesses. It is available in REST architecture with XML and JSON formats, public key, basic auth, and token as... | Payments | 12 | REST v2.14 |
| Shopify Billing | The Shopify Billing API provides a way to get paid for your application by billing for a one-time charge, a fixed monthly fee, or a variable monthly fee based on customer usage. Shopify provides... | Merchants | 2 | REST v2019.04 |
| SDK.finance | The SDK.finance API offers integration with several financial products that help build eCommerce and merchant platforms. Integrated services include payment systems, payment processing, E-wallets,... | Financial | 37 | REST v1 |
| TEC Mailing | The service provides data verification and email preparation, validating address list entries and formats. It cleans mailing list entries to optimize successful deliveries for promotional campaigns,... | 6 | RPC |
| API Name | Description | Category | Followers | Versions |
|---|---|---|---|---|
| GSMA Mobile Money | The GSMA Mobile Money API is an API specification for the mobile money industry. The API insures banks and merchants are technically interoperable for payments, billing, accounting, transfers,... | Mobile | 8 | REST v1.1.2 |
| Billsby | Billsby offers subscription billing services for recurring payments. The Billsby API offers methods to manage all aspects of the service including customers, payments, charges, one-time charges,... | Billing | 3 | |
| Billby | Billby API enables developers to integrate applications with subscription or recurring billing features. API methods are available to manage accounts, activities, billing cycles, countries, coupons,... | Subscriptions | 2 | REST v2 |
| DaisyBill | The DaisyBill API enables developers to integrate with a workers compensation administration service. API methods are available to manage records billing, claims, calculations, contacts, attachments... | Billing | 2 | REST v1 |
| EndlessMedical | Free all-in-one professional-grade API. It will let you connect user’s symptoms and complaints, with test results and doctor’s examination. It not only provides a list of possible diagnoses, and... | Health | 84 | REST v1.0 |
| Name | Description | Category | Date |
|---|---|---|---|
| Zuora + DocuSign | Zuora is an online company that provides services to businesses who want to sell their products/services via subscription. This application is integrated with DocuSign to enable its customers to... | Electronic Signature | 10.28.2014 |
| Billing Software Download | Offers billing software for creating or modifying invoice reports and provides IE password recovery. Uses the US Postal Service API. | Enterprise | 11.27.2008 |
