API Performance Headlines
To compile our financial API ratings, we look at more than 200 APIs. Then we pull all the metrics together to give you a general feeling for financial API quality in a particular category. We do see that certain providers consistently vie for top spot in their financial API ratings category. Read on to learn more!Top Financial API Ratings – CASC Score
Oct 5–12, 2020
Category | Organization | CASC score  |
Cryptocurrency Exchanges  | Coinpaprika | 9.03 |
Fintech | Stripe | 9.36 |
Open Banking: PSD2 Â | Nordea Bank | 9.85 |
Open Banking UK: Sandbox  | Royal Bank of Scotland (Sandbox) | 9.77 |
Open Banking UK: Production  | Royal Bank of Scotland (Auth) | 8.92 |
Open Banking UK: Open Data  | Bank of Ireland | 9.74 |
Top Financial API Ratings – Latency
September, 2020
Category | Organization | Median Latency  |
Cryptocurrency Exchanges  | Coinbase | 123 ms |
Fintech | Stripe | 301 ms |
Open Banking: PSD2 Â | Railsbank | 96 ms |
Open Banking UK: Sandbox  | Royal Bank of Scotland (Sandbox) | 147 ms |
Open Banking UK: Production  | Tide (Auth) | 148 ms |
Open Banking UK: Open Data  | HSBC | 80 ms |
Worst Financial API Rating Overall
September, 2020
Category | Organization | CASC score  |
Cryptocurrency Exchanges  | Oasis Dex | 5.18 |
Fintech | Nobody below 8.00! | Â |
Open Banking: PSD2 Â | Nobody below 8.00! | Â |
Open Banking UK: Sandbox  | Barclays (Sandbox Auth) | 1.36 |
Open Banking UK: Production  | Barclays (Auth) | 3.61 |
Open Banking UK: Open Data  | Halifax |  7.59 |
Barclays (Auth) in the Open Banking– UK – Sandbox category takes the overall wooden spoon with a CASC score of 6.15.
Something of interest
APImetrics has recently begun monitoring a number of APIs in the Open Banking – UK – Production category. We are planning to add more in the near future. What’s good about these APIs is that they allow us to compare directly the performance of different banks with APIs that perform the same tasks.



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