Account and Transaction API Specification - UK vs Adyen Test Cards API
If you need a Finance API that's easy to integrate, go with Adyen Test Cards API.
Account and Transaction API Specification - UK
## Functionality at a glance The NBG "UK OPB - Account and Transaction v3.1.5" API follows the [UK Open Banking Specification v3.1.5](https://openbankinguk.github.io/read-write-api-site3/v3...
Adyen Test Cards API
The Test Cards API provides endpoints for generating custom test card numbers. For more information, refer to [Custom test cards](https://docs.adyen.com/development-resources/testing/create-test-ca...
Account and Transaction API Specification - UK
- Simple API key authentication
- HTTPS supported
- Currently flagged as inactive
Adyen Test Cards API
- Simple API key authentication
- HTTPS supported
| Feature | Account and Transaction API Specification - UK | Adyen Test Cards API |
|---|---|---|
| Authentication | apiKey | apiKey |
| HTTPS | Yes | Yes |
| CORS | Unknown | Unknown |
When to use which?
Both Account and Transaction API Specification - UK and Adyen Test Cards API offer similar capabilities as Finance APIs. Review their documentation to find the best fit for your specific use case.