Create Back In Stock Subscription

//native

type Klaviyo = {

  apiKey: string;

};

/**

 * Create Back In Stock Subscription

 * Subscribe a profile to receive back in stock notifications.

 */

export async function main(

  auth: Klaviyo,

  revision: string,

  body: {

    data: {

      type: "back-in-stock-subscription";

      attributes: {

        channels: "EMAIL" | "PUSH" | "SMS"[];

        profile?: {

          data: {

            type: "profile";

            id?: string;

            attributes: {

              email?: string;

              phone_number?: string;

              external_id?: string;

              anonymous_id?: string;

            };

          };

        };

      };

      relationships?: {

        variant?: { data?: { type: "catalog-variant"; id: string } };

      };

    };

  },

) {

  const url = new URL(`https://a.klaviyo.com/api/back-in-stock-subscriptions`);

  const response = await fetch(url, {

    method: "POST",

    headers: {

      revision: revision,

      "Accept": "application/vnd.api+json",

      "Content-Type": "application/vnd.api+json",

      Authorization: "Klaviyo-API-Key " + auth.apiKey,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

    throw new Error(`${response.status} ${text}`);

  }

  return await response.json();

}