What metrics would you use to evaluate WePay's payment processing API?

Introduction

Evaluating WePay's payment processing API requires a comprehensive approach to product success metrics. To address this challenge effectively, I'll follow a structured framework that covers core metrics, supporting indicators, and risk factors while considering all key stakeholders. This approach will help us gain a holistic understanding of the API's performance and impact.

Step 1

Product Context

WePay's payment processing API is a B2B fintech product that enables businesses to integrate payment functionality into their platforms or applications. Key stakeholders include:

1. Businesses integrating the API (primary customers)
2. End-users making payments through integrated platforms
3. WePay's internal teams (product, engineering, support)
4. Financial institutions and regulatory bodies

The user flow typically involves:

1. API integration by the business
2. End-user initiates a payment on the integrated platform
3. WePay processes the transaction
4. Funds are settled to the business's account

This product fits into WePay's broader strategy of providing seamless payment solutions for platforms and marketplaces. Compared to competitors like Stripe or PayPal, WePay differentiates itself through its focus on platform-specific features and risk management capabilities.

In terms of product lifecycle, WePay's API is in the growth stage, with ongoing feature development and market expansion efforts.