Step 1:
Search postman download and install postman on your pc

Step 2:
Let's take first line on sendMammy API(https://api-wa.chatdaddy.tech/docs/) page for example
In Postman, choose Get as action and input https://api-teams.chatdaddy.tech/oauth2/token as url


Step 3:
Click 'Authorization' and choose 'Bearer Token' as Type

Step 4:
Copy code from sendMammy API page
Then in Postman, click 'Body', paste codes, and choose 'raw', then 'JASON' as data format


Step 5:
Click 'Code' on the right hand
Choose whatever language you want from the list
Or just input language you want
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