# Make customer the phone number's primary (/docs/api-reference/customers/relationships/make-customer-the-phone-number-s-primary)



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Make this customer the primary for their phone number, for example when the main contact of a household changes. Inbound calls, texts and outreach for the number then go to this customer. The previous primary stays a customer, related to the number, and the number's text history moves to this customer.

<APIPage document="&#x22;../../apps/api/openapi/specs/openapi-public.yaml&#x22;" operations="[{&#x22;path&#x22;:&#x22;/v2/customers/{id}/make-primary&#x22;,&#x22;method&#x22;:&#x22;post&#x22;}]" />