API Ratings: Jan 18–25 | Messaging APIs

Something of interest

Here’s something you don’t see every day – in fact, I don’t recall having seen it over the last year that we’ve been doing these API.expert reports: the Messaging APIs category has no API with a CASC score of 9.00 or more.

Of the 9 Messaging APIs in the category, 7 of them are in the Green Zone with a CASC score of 8.00 or more. Cisco WebEx Teams, which has often languished, is in 7th place with a CASC score of 8.24.

That’s a perfectly respectable CASC score as far as it goes. Zoom, topping the table with a CASC score of 8.94, in the grand scheme is doing fine.

api ratings messaging apis 1

Zoom has a 100% pass rate and is second in the Messaging APIs category for outliers. It’s only the third-fastest though, so that is where it could use some improvements.

api ratings messaging apis 2

Total Time is fastest in North America with Europe a strong second. But Zoom is a global brand. It is letting down its users in the rest of the world.

api ratings messaging apis 3

Handshake Time looks like the rate-determining latency component for Messaging APIs. East Asia, South Asia and Oceania are all adding about 400 ms in extra latency from Handshake Time.

It’s through active API monitoring that you can understand just what your users are really experiencing when they are using your service around the world. And it can be quite different to what is happening inside your own corporate network and data center.

Looking to optimize network performance and especially Handshake Time outside North America is going to lead to a big improvement in the quality of service those Zoom users experience.

API Ratings: Overall Quality

Week Ending 25 January 2021

Category

Organization

CASC score

Corporate
Infrastructure

Box

9.45

COVID-19

WHO

9.39

Search

Microsoft Bing

9.23

Social Networks

Google

9.47

UK Government

GOV.UK

9.87

US Government

Department of Justice

9.83

Messaging APIs

Zoom

8.94

GOV.UK in the UK Government category takes the overall title again this week with a CASC score of 9.97, up from 9.69. A CASC score of over 9.00 is very good and one of 9.50 or more exceptional. Two of the six API ratings 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, just two categories dipped below 9.25.

API Ratings: Top Performers by Latency

Week Ending 25 January 2021

Category

Organization

Median Latency

Corporate Infrastructure

Microsoft Office

223 ms

COVID-19

WHO

85 ms

Search

Google

383 ms

Social Networks

Google

60 ms

UK Government

Police.UK

83 ms

US Government

Department of Justice

48 ms

Messaging APIs

Slack

268 ms

Department of Justice in the US Government takes the overall title again with a median latency of 48 ms, the same as last week. 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 API ratings and get a high CASC score!

API Ratings: Worst Quality

Week Ending 25 January 2021

Category

Organization

CASC score

Corporate Infrastructure

Nobody under 8.00!

COVID-19

covid-api.com

0.92

Search

Nobody under 8.00!

Social Networks

Nobody under 8.00!

UK Government

NHS

6.35

US Government

NASA

6.54

Messaging

RingCentral (Sandbox)

5.92
COVID-19 Statistics API (covid-api.com) in the Covid-19 category takes the overall Wooden Spoon this week with a CASC score of 0.92. See you again in a week as we head out of January and into February. Also don’t forget to look out for our monthly report for December and the weekly and monthly financial API reports. We will also be publishing special reports on the State of the APIs in the 2020, so that’s something else to look forward to!

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