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# Node, or any of six others
pnpm add @base316/sdk

import { Base316 } from "@base316/sdk";

const base316 = new Base316();
// Reads BASE316_SECRET_KEY from the environment.

// Our hosted page — send them here, they come back with a code.
const session = await base316.auth.exchangeCode({ code });

// Or your own screens, against the same flows.
await base316.auth.signUp({ email, password });
await base316.auth.session(token);

await base316.events.record({
  event: "api.call",
  externalId: "acct_globex",
  payload: { count: 1 },
  idempotencyKey: requestId,
});

// Required, not optional: a retry after a timeout
// must not bill the same work twice.

const { allowed, reason, usage } =
  await base316.access.check({
    externalId: "acct_globex",
    feature: "api.calls",
  });

if (!allowed) {
  return tooManyRequests(reason);
}

// The same call, asking about a person in that account.
await base316.access.check({
  externalId: "acct_globex",
  userId,
  permission: "billing.manage",
});