Use cloudflare workers anywhere you can use Fetch

workerskv.ts

// info https://giuseppegurgone.com/vercel-cloudflare-kv
// api docs https://developers.cloudflare.com/api/operations/workers-kv-namespace-write-multiple-key-value-pairs
const endpoint = (key: string) => {
  const accountID = process.env.WORKERS_KV_ACCOUNT_ID;
  const namespaceID = process.env.WORKERS_KV_NAMESPACE_ID;

  return `https://api.cloudflare.com/client/v4/accounts/${accountID}/storage/kv/namespaces/${namespaceID}/values/${key}`
};

export const set = async (key: string, value: string, ttl: number = 0, expiration: number = 0) => {
  const { success, result, errors } = await fetch(`https://api.cloudflare.com/client/v4/accounts/${process.env.WORKERS_KV_ACCOUNT_ID}/storage/kv/namespaces/${process.env.WORKERS_KV_NAMESPACE_ID}/bulk`, {
    method: "PUT",
    headers: {
      'X-Auth-Email': process.env.CLOUDFLARE_EMAIL as string,
      Authorization: `Bearer ${process.env.CLOUDFLARE_KV_API_TOKEN}`,
      "Content-Type": "application/json",
    },
    body: JSON.stringify([{key, value, expiration_ttl: ttl, expiration}]),
  }).then(response => response.json());

  if (!success) {
    throw new Error(errors?.join(", ") || "Unknown error");
  }

  return result;
};

export const get = async (key: string) => {
  const result = await fetch(endpoint(key), {
    method: "GET",
     headers: {
      'X-Auth-Email': process.env.CLOUDFLARE_EMAIL as string,
      Authorization: `Bearer ${process.env.CLOUDFLARE_KV_API_TOKEN}`,
      "Content-Type": "application/json",
    }
  }).then(response => response.text());

  const parsedJSON = JSON.parse(result);
  if (parsedJSON?.errors?.length > 0) {
    return null;
  }

  return result;
};

export const del = async (key: string) => {
  const { success, result, errors } = await fetch(endpoint(key), {
    method: "DELETE",
     headers: {
      'X-Auth-Email': process.env.CLOUDFLARE_EMAIL as string,
      Authorization: `Bearer ${process.env.CLOUDFLARE_KV_API_TOKEN}`,
      "Content-Type": "application/json",
    }
  }).then(response => response.json());

  if (!success) {
    throw new Error(errors?.join(", ") || "Unknown error");
  }

  return result;
};