Account and Transaction API Specification - UK vs Hosted onboarding API
If you need a Finance API that's easy to integrate, go with Hosted onboarding 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...
Hosted onboarding API
This API is used for the classic integration. If you are just starting your implementation, refer to our [new integration guide](https://docs.adyen.com/marketplaces-and-platforms) instead. The Hos...
Account and Transaction API Specification - UK
- Simple API key authentication
- HTTPS supported
- Currently flagged as inactive
Hosted onboarding API
- Simple API key authentication
- HTTPS supported
| Feature | Account and Transaction API Specification - UK | Hosted onboarding API |
|---|---|---|
| Authentication | apiKey | apiKey |
| HTTPS | Yes | Yes |
| CORS | Unknown | Unknown |
When to use which?
Both Account and Transaction API Specification - UK and Hosted onboarding API offer similar capabilities as Finance APIs. Review their documentation to find the best fit for your specific use case.