401
Array
(
    [0] => HTTP/1.1 401 Unauthorized
    [1] => Server: nginx
    [2] => Date: Sun, 24 Nov 2024 02:38:29 GMT
    [3] => Content-Type: application/json
    [4] => Content-Length: 88
    [5] => Connection: keep-alive
    [6] => Access-Control-Allow-Origin: https://sendgrid.api-docs.io
    [7] => Access-Control-Allow-Methods: POST
    [8] => Access-Control-Allow-Headers: Authorization, Content-Type, On-behalf-of, x-sg-elas-acl
    [9] => Access-Control-Max-Age: 600
    [10] => X-No-CORS-Reason: https://sendgrid.com/docs/Classroom/Basics/API/cors.html
    [11] => Strict-Transport-Security: max-age=600; includeSubDomains
    [12] => 
    [13] => 
)
{"errors":[{"message":"Permission denied, wrong credentials","field":null,"help":null}]}