burp suite
https://portswigger.net/burp
https://artoftesting.com/jmeter-tutorial.html
https://www.softwaretestinggenius.com/
https://support.portswigger.net/customer/portal/topics/792273-burp-testing-methodologies/articles
mobile app api testing
https://aws.amazon.com/device-farm/?sc_channel=PS&sc_campaign=acquisition_IN&sc_publisher=google&sc_medium=device_farm_nb&sc_content=mobile_app_testing_bmm&sc_detail=%2Bmobile%20%2Bapp%20%2Btesting&sc_category=device_farm&sc_segment=111916868941&sc_matchtype=b&sc_country=IN&s_kwcid=AL!4422!3!111916868941!b!!g!!%2Bmobile%20%2Bapp%20%2Btesting&ef_id=Cj0KCQiAwc7jBRD8ARIsAKSUBHLZqUboOM06Z-WI637Mm0n5usN9sMcW-4fO2gEfFFdc1MtUMb2K1-kaAtRlEALw_wcB:G:s
rest api
https://www.udemy.com/topic/Rest-Api/?gclid=Cj0KCQiAwc7jBRD8ARIsAKSUBHLkDib7Zn_wXrLdgMLmN43jg9ZjEG_b92ITdJLObmxt2CPlmJLqshwaAkTAEALw_wcB&k_clickid=c8737197-ad71-4e05-8ab2-8240b201740a_k_Cj0KCQiAwc7jBRD8ARIsAKSUBHLkDib7Zn_wXrLdgMLmN43jg9ZjEG_b92ITdJLObmxt2CPlmJLqshwaAkTAEALw_wcB_k_&matchtype=b&utm_campaign=NEW-AW-PROS-ROW-Topic-Rest-Api-INDIA-EN-ENG_._ci__._sl_ENG_._vi__._sd__._la_EN_._&utm_content=_._ag_topic_._ad_306546185460_._de_c_._dm__._lo_1007810_._&utm_medium=udemyads&utm_source=adwords-row&utm_term=_._pl__._pd__._ti_kwd-18837788996_._kw_%2Brest+%2Bapi_._
rails api authentication