HTTP 103 Early Hints vs 402 Payment Required
HTTP 103 (Early Hints) is a 1xx Informational response, while 402 (Payment Required) is a 4xx Client Error response. 103 indicates that used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response. In contrast, 402 means that reserved for future use. Originally intended for digital payment systems, some APIs use it to indicate a billing or subscription issue.
Description
Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
When You See It
When a server wants the browser to start loading CSS/JS before the full response is ready.
How to Fix
No fix needed. This optimization helps speed up page loading.
Description
Reserved for future use. Originally intended for digital payment systems, some APIs use it to indicate a billing or subscription issue.
When You See It
On some APIs when a subscription has expired or payment is needed.
How to Fix
Check your billing status, update payment method, or upgrade your subscription.
Key Differences
103 is a 1xx Informational response, while 402 is a 4xx Client Error response.
HTTP 103: Used to return some response headers before the final HTTP message. Allows the browser to start preloading resources while the server prepares the response.
HTTP 402: Reserved for future use. Originally intended for digital payment systems, some APIs use it to indicate a billing or subscription issue.
You encounter 103 when when a server wants the browser to start loading CSS/JS before the full response is ready.
You encounter 402 when on some APIs when a subscription has expired or payment is needed.
When to Use Which
For 103 (Early Hints): No fix needed. This optimization helps speed up page loading. For 402 (Payment Required): Check your billing status, update payment method, or upgrade your subscription.