Discussions
Request Header Fields Too Large
yesterday by Ehsan Ahmed Farooqi
Hi,
I am trying to get data through API V2 but i am getting the error "Request Header Fields Too Large" for every api even on the developer.personio.de and also in the the script.
Bearer Token is generated successully. its included in the API call, header looks also fine but still i get this error. Below are the headers.
Response
access-control-allow-headers *
access-control-allow-methods GET, POST, PATCH, DELETE, PUT, HEAD, OPTIONS
access-control-allow-origin *
access-control-expose-headers *
content-length 0
date Mon, 15 Dec 2025 10:08:22 GMT
rndr-id 9342c51c-770e-4137
server Render
strict-transport-security max-age=31540000; includeSubDomains
vary Origin, Access-Control-Request-Method, Access-Control-Request-Headers
x-ratelimit-burst-capacity 100
x-ratelimit-remaining 99
x-ratelimit-replenish-rate 30
x-ratelimit-requested-tokens 1
x-render-origin-server Render
Request
accept application/json
authorization Bearer xxxx