The API I wanted to use was written in GraphQL. Since this was my first time using GraphQL, I thought I would make a brief note on how to use GraphQL from the client side. What is GraphQL? GraphQL is an API specification developed by Faceb…

I tried to get data from Twitter using the Twitter API to see if I could use it to learn about trends in the world. As it turns out, I had heard rumors that the Twitter API was too restrictive, but it was really too tight to be useful... S…

I used Slack API before, but when I tried to use it after a long time, I completely forgot how to use it, so here are some notes on how to use Slack API in case I forgot again. By the way, what we wanted to do with the API is as follows. S…

As I wrote in AWS CloudFormation Articles, AWS Lambda and API Gateway are managed in Serverless. Here is a poem about how we got there and a brief explanation of how to use Serverless. impetus What URL the Lambda is called with is configur…

Office365 provides an API called Microsoft Graph API that allows you to access Office365. However, it is a bit time-consuming, as you need to acquire the token yourself and learn how to use the API. So, we will show you how to use Office36…