API Ratings: Dec 28–Jan 4 | Social Networks

API Performance

Happy New Year! We took a week off last week for the Christmas & New Year holiday, but now we are back at the grindstone.

For our API ratings, we look at over 100 APIs and pull all the metrics together to give you a general feeling for the service quality for an organization’s APIs in a particular API ratings category with our patented CASC score.

Something of interest

Social Networks is a pretty competitive API ratings category with everyone in the Green Zone this week and even the bottom API, LinkedIn, having a perfectly respectable CASC score of 8.58.

api ratings 28 dec 4 jan social networks 1

The fastest API is Google with a blistering median latency of 56 ms. Etsy is the slowest with a median latency of 842 ms.

api ratings 28 dec 4 jan social networks 2

Unsurprisingly, Google has very good DNS Lookup Time performance from all clouds and regions. This is, also unsurprisingly, in contrast to Etsy.

api ratings 28 dec 4 jan social networks 3

Because of the way that DNS works, DNS Lookup Time is typically always about 4 ms from all locations and clouds. This is the case for Google, but very much not the case for Etsy. Only in AWS Europe, North America and Oceania do we see a DNS Lookup Time we would hope to see.

The fact that the AWS DNS Lookup Time is 12 ms across a variety of regions suggests that it should be possible to obtain a quicker time across the other regions and clouds. Looking into the network configuration for Etsy for all clouds and regions should enable an increase in performance for DNS and would be an easy win for improving median latency and API ratings CASC score.

API Ratings: Overall Quality

Week Ending 4 January 2021

Category

Organization

CASC score

Corporate
Infrastructure

GitHub

9.60

COVID-19

WHO

9.47

Search

Microsoft Bing

9.47

Social Networks

Google

9.57

UK Government

GOV.UK

9.87

US Government

Department of Justice

9.88

Messaging

Zoom

9.27

Department of Justice in the US Government category takes the overall title again this week with a CASC score of 9.88, up from 9.83 two weeks ago. A CASC score of over 9.00 is very good and one of 9.50 or more exceptional. Three of the six categories are headed by an organization with a CASC score of 9.50 or more this week. Sustaining a CASC score of >9.25 over a period of several weeks is a good showing and congratulations to those organizations that achieved it. This week, all seven categories are topped by an API with a CASC score of 9.27 or more.

API Ratings: Top Performers by Latency

Week Ending 4 January 2021

Category

Organization

Median Latency

Corporate Infrastructure

Microsoft Office

224 ms

COVID-19

WHO

78 ms

Search

Google

364 ms

Social Networks

Google

56 ms

UK Government

Police.UK

84 ms

US Government

Department of Justice

48 ms

Messaging

Slack

265 ms

Department of Justice in the US Government takes the overall title again with a median latency of 48 ms, up from 47 ms two week ago. An important caveat: medians can be misleading! An API might have a fast median latency but produce many slow outliers. So just being fast isn’t everything. You have to be reliable too if you want to have good APIs and get a high CASC score!

API Ratings: Worst Quality

Week Ending 4 January 2021

Category

Organization

CASC score

Corporate Infrastructure

Nobody under 8.00!

COVID-19

covid19api.com

6.79

Search

Nobody under 9.00!

Social Networks

Nobody under 9.00!

UK Government

NHS

6.09

US Government

Bureau of Labor Statistics

4.64

Messaging

RingCentral (Sandbox)

6.45
Bureau of Labor Statistics in the US Government category takes the overall Wooden Spoon this week with a CASC score of 4.64. Interestingly, two of the seven categories have no-one under 9.00 this week, which is a good effort and could be indicative of long term improvements in API quality. We launched API.expert earlier in the year as a simple way to provide everybody with insights into the API economy and the leading APIs in different categories in particular. We are expanding our coverage of Open Finance APIs from around the world, so one of the major changes we made recently to these round ups has been to pull out the financial APIs. See you again in a week as we plunge further in 2021. Also don’t forget to look out for our monthly report for December and the weekly and monthly financial API reports.

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