If end user have hashed msisdn and you would like to convert his real msisdn to hashed value (subscriberID) you can use following request to retrieve correct data.
**URL to which request should be posted:**
## POST subscribe request
## All possible initiation parameters:
Parameter | Description | Example | Required as |
**msisdn** | Customer mobile phone number. | 4477781234567 | mandatory |
## POST payment response
Once request is received, Centili will synchronously respond with POST response containing appropriate HTTP response and list of parameters and values in JSON format.
## Response parameters:
Parameter | Description | Example |
**status** | Indicates status of the current request. | Possible values: _ ACCEPTED _ INVALID_REQUEST * INVALID_SERVICE |
**errorMessage** | Error description in case of failed request. | Bad request |
**subscriberId** | Unique end user identifier on MNO Platform. | 65FGthgtdr^hstsgdt^hhdtd |