Render Template

//native

type Klaviyo = {

  apiKey: string;

};

/**

 * Render Template

 * Render a template with the given template ID and context attribute.

 */

export async function main(

  auth: Klaviyo,

  revision: string,

  body: { data: { type: "template"; id: string; attributes: { context: {} } } },

) {

  const url = new URL(`https://a.klaviyo.com/api/template-render`);

  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();

}