ChangeBillingAnchorDate

//native

type Square = {

  token: string;

};

/**

 * ChangeBillingAnchorDate

 * Changes the [billing anchor date](https://developer.squareup.com/docs/subscriptions-api/subscription-billing#billing-dates)

for a subscription.

 */

export async function main(

  auth: Square,

  subscription_id: string,

  body: { monthly_billing_anchor_date?: number; effective_date?: string },

) {

  const url = new URL(

    `https://connect.squareup.com/v2/subscriptions/${subscription_id}/billing-anchor`,

  );

  const response = await fetch(url, {

    method: "POST",

    headers: {

      "Content-Type": "application/json",

      Authorization: "Bearer " + auth.token,

    },

    body: JSON.stringify(body),

  });

  if (!response.ok) {

    const text = await response.text();

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

  }

  return await response.json();

}