Response status: 401

Response Headers

- HTTP/2 401
- date: Wed, 14 Jan 2026 07:56:48 GMT
- content-type: application/json
- content-length: 116
- server: nginx
- access-control-allow-origin: https://sendgrid.api-docs.io
- access-control-allow-methods: POST
- access-control-allow-headers: Authorization, Content-Type, On-behalf-of, x-sg-elas-acl
- access-control-max-age: 600
- x-no-cors-reason: https://sendgrid.com/docs/Classroom/Basics/API/cors.html
- strict-transport-security: max-age=31536000; includeSubDomains
- content-security-policy: frame-ancestors 'none'
- cache-control: no-cache
- x-content-type-options: no-sniff
- referrer-policy: strict-origin-when-cross-origin