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Check if contact-to-contact exists

HEAD 
/contacts2contacts/:ID

Check if a contact-to-contact with ID exists, but do not return its data. Requires contacts permission. Has dependencies on contact1 and contact2.

Request​

Responses​

Exists (No Content)

Response Headers
    ETag

    Entity tag (RFC 7232)

    Last-Modified

    Last modification date and time (RFC 7231)