Unable to create access token

I get a 400 error when I attempt to create an access token. Here's my request: POST /collection/token HTTP/1.1 Host: sandbox.momodeveloper.mtn.com Ocp-Apim-Subscription-Key: 88d21648e48d430499ae3ff0d8aabf1e Authorization: Basic Yzg2ZDEyYmYtOWQ4MC00ZWI5LWEwOWYtOTQyNjMxYTY5NTU0OmMzMWI0YzliZDk4ZTQxMjhhZTMwZDY4NjIzYTU0YThm User-Agent: PostmanRuntime/7.20.1 Accept: */* Cache-Control: no-cache Postman-Token: 71e0f242-31a7-4289-9d1b-9f9915425340,62639c21-2b3e-469d-8a9f-df5552256cbb Accept-Encoding: gzip, deflate Referer: https://sandbox.momodeveloper.mtn.com/collection/token Connection: keep-alive cache-control: no-cache


    If you find a solution, please share
    Posted by Hidden Wed, 24 Nov 2021 07:53:51 GMT
    Am facing the same issue.
    Posted by Hidden Fri, 18 Feb 2022 23:37:43 GMT
    Same here
    Posted by Hidden Fri, 25 Feb 2022 19:52:29 GMT

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