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widberNew Member
 MoMo API Sand Box Q&A
Getting 200 response when creating Api User.

I believe I an following the instructions correctly. POST https://sandbox.momodeveloper.mtn.com/v1_0/apiuser HTTP/1.1X-Reference-Id: f9b22c29-eaeb-4423-9a29-960ece987648Content-Type: application/jsonCache-Control: no-cacheOcp-Apim-Subscription-Key: ••••••••••••••••••••••••••••••••{ providerCallbackHost: "string"}The X-Reference-Id is a UUID from online generator.Ocp-Apim-Subscription-Key is from mu Collection product.The result:HTTP/1.1 200 OKcache-control: no-cachecontent-length: 247content-type: text/html; charset=utf-8pragma: no-cachevary: Originx-content-type-options: nosniffx-frame-options: SAMEORIGINx-xss-protection: 1; mode=block<html><head><title>Request Rejected</title></head><body>The requested URL was rejected. Please consult with your administrator.<br><br>Your support ID is: 11597720049319855937<br><br><a href='javascript:history.back();'>[Go Back]</a></body></html>

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leontymoCommunity Manager
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mamta_kumavatNew Member
 MoMo API Sand Box Q&A
SandBox and Production Mode doubt

I’m getting invalid subscription key invalid while testing it in sandbox mode while testing it with live url it give resource not found.Below is for sandbox Mode.URL :: https://sandbox.momodeveloper.mtn.com/v1_0/apiuser headers :: {Authorization: Basic ZmY5NTZkMGYtODYwOC00NmZhLWIzMzEtZjRkNDhmNzAwZTNiOm51bGw=, X-Reference-Id: ff956d0f-8608-46fa-b331-f4d48f700e3b, Ocp-Apim-Subscription-Key: 84dbf7a8a0e44923988a0dd621169ec6, Content-Type: application/json} MtnMomo :: body :: {providerCallbackHost: https://dulu.cm/success} [log]MtnMomo :: apiuserAPI :: 401 :: { "statusCode": 401, "message": "Access denied due to invalid subscription key. Make sure to provide a valid key for an active subscription." }Below is for live testing URL :: https://proxy.momoapi.mtn.com/v1_0/apiuser headers :: {X-Reference-Id: 6e1fcdda-0cb1-4a85-8af6-8e3e6ff31942, Ocp-Apim-Subscription-Key: 0144c9f7b7774f4b8108cc4b243561b6, Content-Type: application/json}body :: {providerCallbackHost: https://dulu.cm/success}apiuse

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menziNew Member
 MoMo API Sand Box Q&A
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ChidinmaNew Member
 MoMo Nigeria Developers
API User endpoint is failing

I am encountering an issue while trying to generate an API user in sandbox environment.I have followed all the steps outlined in the documentation: Signup For An Account – Completed Subscribe To Our Products – Completed (subscribed to Collection) Manage Your Subscriptions – Subscription is active, and I have received both the primary and secondary keys Generate API User and API Key – This step is failing  To generate the API user, I am using the following endpoint:POST https://sandbox.momodeveloper.mtn.com/v1_0/apiuserHeaders sent:{  "X-Reference-Id": "<uuid-v4>",  "Ocp-Apim-Subscription-Key": "<Subscription-Primary-Key>",  "Content-Type": "application/json"}Body :{  "providerCallbackHost": "webhook.site"} However, the API returns the following error:Response:{  <html><head><title>Request Rejected</title></head><body>The requested URL was rejected. Please consult with your administrator.<br><br>Your support ID is: 1159772

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devsmsNew Member
 MoMo API Sand Box Q&A
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ranihaddadNew Member
 MoMo API Sand Box Q&A
Unable to Generate API User – Invalid Subscription Key Error

I hope you are doing well. I need assistance with an issue I am encountering while trying to generate an API user in sandbox environment.I have followed all the steps outlined in the documentation: Signup For An Account – Completed Subscribe To Our Products – Completed (subscribed to Collection Widget) Manage Your Subscriptions – Subscription is active, and I have received both the primary and secondary keys Generate API User and API Key – This step is failing  To generate the API user, I am using the following endpoint:POST https://sandbox.momodeveloper.mtn.com/v1_0/apiuserHeaders sent:{  "X-Reference-Id": "<uuid-v4>",  "Ocp-Apim-Subscription-Key": "<Subscription-Primary-Key>",  "Content-Type": "application/json"}Body :{  "providerCallbackHost": "webhook.site"} However, the API returns the following error:Response:{  "statusCode": 401,  "message": "Access denied due to invalid subscription key. Make sure to provide a valid key for an active subscription."} I have veri

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JulianNew Member
 MoMo API Production Q&A
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PatriceNew Member
 MoMo Zambia Developers
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kpatchaviNew Member
 MoMo API Sand Box Q&A
Request to pay dont send callback

Hi everyone,I’m having some trouble with the MTN MoMo API, specifically with the requestToPay endpoint.When I send a requestToPay, I get an HTTP 200 response, but the body looks like this: HTTP/1.1 200 OK cache-control: no-cache content-length: 247 content-type: text/html; charset=utf-8 pragma: no-cache vary: Origin x-content-type-options: nosniff x-frame-options: SAMEORIGIN x-xss-protection: 1; mode=block <html> <head><title>Request Rejected</title></head> <body> The requested URL was rejected. Please consult with your administrator.<br><br> Your support ID is: 11597720049318046811<br><br> <a href='javascript:history.back();'>[Go Back]</a> </body> </html> The problem is that no callback is ever sent, even though I receive this 200 response.Has anyone experienced this before or knows what might be wrong? Any help would be appreciated. 🙏 

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jerichoNew Member
 MoMo Uganda Developers
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leontymoCommunity Manager
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leontymoCommunity Manager
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