A Free, Open, and Documented Forecast API

 https://pirateweather.net/

now that weather underground got sucked up by the weather channel, is this the next best option? 

enterprise features for your SaaS app

 https://workos.com

Wraps your app in enterprise features like SSO, SAML, etc. 

Power any project with a modern, open source data platform

 https://directus.io/

SaaS layer to take a relational database and present it as an API

Social Media APIs

 https://www.ayrshare.com/

New commercial offering of unified APIs for social media. 

How to Build APIs in Python: 8 Popular Frameworks

 https://www.makeuseof.com/build-api-python-popular-frameworks/amp/

comparing 8 popular python API frameworks. 

Automate Your Designs

https://www.bannerbear.com/
Bannerbear is a simple REST API that auto-generates social media visuals, ecommerce banners and more, but seems a bit pricy.

The Top 8 Weather APIs for 2020

https://www.climacell.co/blog/top-8-weather-apis-for-2020/
Just when I thought free weather APIs were dying out. 

API Economy: Is It The Next Big Thing?

https://www.forbes.com/sites/tomtaulli/2020/01/18/api-economy--is-it-the-next-big-thing/amp/
another puff-piece about SaaS and API

UPC Lookup Database

https://www.upcitemdb.com/
wonder what % of UPCs are in their database?

Find and Connect to Thousands of APIs One SDK. One API key. One dashboard.

https://rapidapi.com/
API aggregator

ScrapingBee API handles headless browsers and rotates proxies for you

https://www.scrapingbee.com/
Another web-scraping SaaS service. 

Postwoman API request builder

https://postwoman.io/
API request builder: online alternative to postman

Test your front-end against a real API

https://reqres.in/
Free API that allows you to learn to make requests

Retool - the fast way to build internal tools.

https://retool.com/
Another api-glue-gui tool. This one focused on internal tools and dashboards. 

API Connector lets you access data from thousands of platforms directly within Google Sheets. No coding required!

https://mixedanalytics.com/api-connector/
Interesting, instead of making google sheets an API server, it makes Google Sheets and API client. 

Whatever tool you want to build, you can do it without code

https://www.makerpad.co/
Interesting concept, a glue-for-glues.

Sheet.Best Convert your Google SpreadSheets into APIs

https://sheet.best/#/
minimal spa

APIs for Connected Experiences

https://www.pubnub.com/
last month they processed 1.3 trillion messages!

Vendor-neutral APIs and instrumentation for distributed tracing

https://opentracing.io/
Interesting project for open, distributed tracing.

Developing Restful APIs with Python, Django and Django Rest Framework

https://dev.to/joshuadeguzman/definitive-guide-developing-restful-apis-using-python-django-and-drf-2h7e
The standard way of doing python web services is with flask and flask api. maybe django-api is worth looking into.