HTTP Headers Analysis for https://api.iyzipay.com

HTTP Security Headers

Status

Strict-Transport-Security

Good

max-age=31536000 ; includeSubDomains, "max-age=157680000"

Content-Security-Policy

Basic

default-src; img-src; script-src; +1 more Analyze

Content-Security-Policy-Report-Only

Missing

Not configured Analyze

X-Frame-Options

Missing

Not configured

X-Content-Type-Options

Present

nosniff, nosniff

Referrer-Policy

Missing

Not configured

Permissions-Policy

Missing

Not configured

Recommendations

• Consider adding 'preload' to HSTS for maximum security
• Improve CSP by adding more specific directives and removing 'unsafe-inline'
• Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
• Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
• Consider adding Permissions-Policy to control browser features

Performance Headers

Connection

Performance

close

Transfer-Encoding

Performance

chunked

connection: close
transfer-encoding: chunked

Caching Headers

Cache-Control

Caching

no-cache, no-store, max-age=0, must-revalidate

Expires

Caching

0

Pragma

Caching

no-cache

cache-control: no-cache, no-store, max-age=0, must-revalidate
expires: 0
pragma: no-cache

Content Headers

Content-Type

Content

application/json

content-type: application/json

Server Headers

No server headers found

CORS Headers

No CORS headers found

Cookies Headers

Set-Cookie

Cookies

set-cookie: NSC_ESNS=0815f36a-8d75-19d0-9678-00e0ed7abec3_0570167583_2083542464_00000000004429840402; Path=/; Expires=Sat, 04-Apr-2026 04:03:16 GMT
iyzi=AAE7dY3QaTsjEmYFAAAAADuYuRic8KP4FS9JO4R_XHjUt5PG0GRZR6ep7Eb26JqNOw==GY_QaQ==nxlUJ2cW7kBnUMqLHoVqDB7OWgE=; Domain=.iyzipay.com; Path=/

Other Headers

Date

Other

Sat, 04 Apr 2026 04:03:01 GMT

Public-Key-Pins

Other

pin-sha256="GUEngXfv2sZiDMgOCmP7lUu/qIoOWzNqgpChU5Mq554="; pin-sha256="1HA/W2JKpx0012SrpLPYJyoN3vrdSGV8r4eUD1K22Cc="; pin-sha256="9pfml4d3n7mXEa4UXu0k6jTHoVVPYLwsVWJbY1kn7kM="; max-age=1; includeSubDomains

date: Sat, 04 Apr 2026 04:03:01 GMT
public-key-pins: pin-sha256="GUEngXfv2sZiDMgOCmP7lUu/qIoOWzNqgpChU5Mq554="; pin-sha256="1HA/W2JKpx0012SrpLPYJyoN3vrdSGV8r4eUD1K22Cc="; pin-sha256="9pfml4d3n7mXEa4UXu0k6jTHoVVPYLwsVWJbY1kn7kM="; max-age=1; includeSubDomains

Recommendations

Enable compression (gzip/brotli) to improve performance