Account and Transaction API Specification - UK vs YNAB
If you need a Finance API that's easy to integrate, go with YNAB.
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...
Account and Transaction API Specification - UK
- Simple API key authentication
- HTTPS supported
- Currently flagged as inactive
YNAB
- HTTPS supported
- CORS enabled for frontend use
- Requires OAuth setup
| Feature | Account and Transaction API Specification - UK | YNAB |
|---|---|---|
| Authentication | apiKey | OAuth |
| HTTPS | Yes | Yes |
| CORS | Unknown | Yes |
When to use which?
YNAB works directly from the browser with CORS enabled, making it better for frontend-only apps.