In the case of some third parties like API Nation, you may need to contact them if your leads are showing up in kvCORE as 'NULL' or 'Manual' for the source name, it means that a source name was not specified when the API connection was setup. If you are building zaps or using third party api's, be sure the 'source' is set (at the source.)

For example, when setting up a zap, you can set the source for the leads that will be fed to kvCORE from that zap:

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