What are HTTP Status Codes?

HTTP Status Code Is 3-digit integer in which the first digit of the Status-Code defines the class of response. Response Header of each API response contains the HTTP Status Code. HTTP Status Codes are grouped into five categories based upon the first number.

HTTP Status Code with Description

1.

1XX

Informational

2.

2XX

Success

3.

3XX

Redirection

4.

4XX

Client-Side Error

5.

5XX

Server-Side Error

Some of the commonly seen HTTP Status Codes are:

• 200 (Request is Ok), 
• 201 (Created),
• 202 (Accepted), 
• 204 (No Content), 
• 301 (Moved Permanently), 
• 400 (Bad Request), 
• 401 (Unauthorized), 
• 403 (Forbidden), 
• 404 (Not Found), 
• 500 (Internal Server Error), 
• 502 (Bad Gateway), 
• 503 (Service Unavailable) etc.