API Integration for Real-Time Credit Checks

I need an experienced developer to connect a credit check API to my e-commerce website. The integration should allow for real-time credit checks at the point of sale.

Key Requirements:
- Seamless integration with our e-commerce platform wordpress
- Secure handling of sensitive data
- User-friendly interface for credit check prompts

Ideal Skills and Experience:
- Strong experience with API integrations
- Familiarity with e-commerce platforms, especially Shopify, WooCommerce, or Magento
- Knowledge of security protocols for data protection
- Ability to create a smooth user experience

Please provide examples of similar work done and your approach to ensure security and efficiency.