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The Customer Portal is where your customers can view their file sharing sessions, track downloads, and review payments. Each workspace gets a portal at its own URL.

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Portal URL

The customer portal is available at: 
https://rapidly.tech/{workspace-slug}/portal
Customers authenticate by entering the email address associated with their account. Rapidly sends a one-time code to that email, which the customer exchanges for a session token. Rate limiting is applied to prevent abuse. If a customer’s email is associated with multiple workspaces, they will be prompted to select which one to sign into.

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What Customers Can See

Once authenticated, customers have access to:
  • File sharing sessions — A list of all their file sharing sessions, with details like status, file size, and download count.
  • Downloads — Per-session download history.
  • Payments — Payment records for paid file shares.
  • Profile — View and update their customer profile.
  • Real-time updates — The portal streams live updates via SSE, so new sessions and payments appear without refreshing.
You can create a pre-authenticated portal link from your backend so customers skip the email login flow. Call POST /api/customer-sessions/ with the customer’s ID to receive a customer_portal_url you can redirect them to. 
async function run() {
  const response = await fetch("https://api.rapidly.tech/api/customer-sessions/", {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      Authorization: `Bearer ${process.env["RAPIDLY_ACCESS_TOKEN"] ?? ""}`,
    },
    body: JSON.stringify({
      customer_id: "<value>",
    }),
  });

  const result = await response.json();
  redirect(result.customer_portal_url);
}

run();
You can also create sessions using external_customer_id if you track customers by your own system’s IDs.

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Session Options

When creating a session, you can optionally pass:
  • return_url — Shows a back button in the portal that links to this URL.
  • member_id or external_member_id — For workspaces with member model enabled, create a member-scoped session instead of a customer-level session.