Common Errors
Common errors you may encounter while using the ClickUp API.
Common errors
Unsuccesful requests will return an HTTP status code other than 200
. They'll include a JSON error message and error code.
Common errors
XMLHttpRequest from origin has been blocked by CORS policy
This error is displayed when you make requests directly from a local environment or frontend application, such as Javascript Axios or Fetch. You can create a proxy script using any server-side language and then use Javascript to send requests.
Rate limit reached
HTTP status code 429
The API is rate limited per OAuth and personal token.
You'll receive a 429 HTTP status code
response if you exceed the rate limit.
Team not authorized
OAUTH_023
, OAUTH_026
, OAUTH_027
, and OAUTH_029
to OAUTH_045
This error is thrown when a team (Workspace) was not authorized by the user for a particular access token.
Token not found
OAUTH_019
, OAUTH_021
, OAUTH_025
, OAUTH_077
This error is thrown if authorization is revoked by the user.
Authorization Header Required
OAUTH_017
The authorization token was missing in the Authorization header of the request.
Client Not Found
OAUTH_010
The client application was not created correctly.
Error code
Redirect URI not passed
OAUTH_017
The redirect URI was not present during the OAuth authentication flow.
Redirect URI does not match the redirect uris of this application
OAUTH_007
The redirect URI must be registered with your client application.
Webhook configuration already exists
OAUTH_171
A webhook has already been created using this configuration and location.
Updated about 1 month ago