Authentication

The authentication is necessary just for paid plans and it will be done attaching your API Key as value of the x-api-key header on your requests
microlink-api https://www.instagram.com/p/BvDTdWdnzkj&apiKey=MyApiToken
You can ensure your authentication is done checking the x-pricing-plan header on the response, that reflects if you are using a pro or free plan.
microlink-api \
https://www.instagram.com/p/BvDTdWdnzkj&apiKey=MyApiToken \
| grep -i "x-pricing-plan"

Authentication

The authentication is necessary just for paid plans and it will be done attaching your API Key as value of the x-api-key header on your requests
microlink-api https://www.instagram.com/p/BvDTdWdnzkj&apiKey=MyApiToken
You can ensure your authentication is done checking the x-pricing-plan header on the response, that reflects if you are using a pro or free plan.
microlink-api \
https://www.instagram.com/p/BvDTdWdnzkj&apiKey=MyApiToken \
| grep -i "x-pricing-plan"