Number validation

Validate your number inventory. Check phone numbers for existence and current status.

HLR Lookup

HLR stands for Home Location Register and offers as a database detailed informations of mobile phone numbers for each number worldwide. Validate your phone numbers inventory for invalid numbers, or check e.g. at the entry of a phone number the existence of this in advance. Depending on your network, you will receive additional information about the current roaming network, whether a number is active and much more.

In your Login of the sms77 webapp, you can validate contacts lists as a whole without having to select individual number.

Validation

All phone numbers of the selected list are validated via HLR lookup.

  • Worldwide coverage

    Thanks to international connectivity, you can query nearly every phone number of the world via our HLR query.

  • Comprehensive data

    In addition to MNC (Mobile Network Code) and MCC (Mobile Country Code), ie to the target network, you get information on roaming, correctness and much more.

  • API connection

    Simply integrate our HLR Api into your system for fully automated verification of phone numbers.

MNP Lookup

Check the network membership of German or Swiss phone numbers

The Mobile Number Portability (short MNP) query is a simplified form of HLR Lookups. It allows you to query any international phone numbers to easily and quickly get the respective network operator of a number. This is how you can view the current port status of a phone number. This query does not validate a number – for that please use the HLR query.

  • Porting check

    Check quickly and easily the port status of a phone number

  • Cheap

    The cheap alternative to the HLR lookup – also available as a flat rate

  • Perfect routing

    Optimize your routing for services like SMS, calls, etc

MNP demonstration:

Request

curl -XGET "https://gateway.sms77.io/api/lookup?p=API_KEY&json&number=01632429751&type=mnp"

Answer

{
	"success": true,
	"code": 100,
	"mnp": {
		"country": "DE",
		"number": "+491632429751",
		"national_format": "0163 2429751",
		"network": "E-Plus",
		"isPorted": false
	}
}

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