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I'm getting error message "Full authentication is required to access this resource"
Developers · Troubleshooting
"Full authentication is required"? Your token is missing or stale
This message shows up on any endpoint, not just /topups — here's what's actually wrong and how to fix it for good.
HTTP Status
401
Causes
2 common ones
Applies to
Any endpoint
If a request comes back with "Full authentication is required to access this resource", it's an authentication problem — and it boils down to one of two things.
1. No access token in the request header
Check that you're actually sending an access token in your request header. If you haven't obtained one yet, see the Access Token section of our API docs for the exact request format.
2. Your access token has expired
Access tokens have a limited lifetime — once a token expires, it stops working and you need to obtain a new one to keep making requests.
Good to remember: access tokens always expire eventually. Plan for this in your integration — re-obtain a token automatically when the current one expires, rather than expecting it to keep working indefinitely.
/topups endpoint with an access_denied error instead? Check our article on the /topups 401 error for that exact case.
Still getting this after refreshing your token?
Our support team can take a look at your request.