Developers

Developer hub for billing infrastructure.

Integrate Floatless with API-first primitives for customers, usage events, subscriptions, invoices, tax, webhooks, and revenue intelligence.

Read API docs Get API keys

usage-event.ts

await fetch("https://api.floatless.ca/api/public/v1/usage/events", {
  method: "POST",
  headers: {
    "Authorization": "Bearer " + process.env.FLOATLESS_API_KEY,
    "Content-Type": "application/json",
    "Idempotency-Key": crypto.randomUUID()
  },
  body: JSON.stringify({
    subscription_item_id: 789,
    quantity: 540
  })
});

Integration paths

Integration paths by job.

Paths organized by the job, so engineers can go straight to what they need.

Quickstart

Create an API key, create a customer, and retrieve subscription and invoice state.

Open

API reference

Customers, products, subscriptions, invoices, usage events, and webhooks.

Open

Errors & pagination

Stable error codes, request tracing, and limit/offset pagination for every list endpoint.

Open

Usage events

Send metered usage events safely with idempotency keys.

Open

Webhooks

Subscribe to billing lifecycle events, verify signatures, and replay failed deliveries.

Open

OpenAPI schema

Generate typed clients and contract tests from the machine-readable spec.

Open

Floatless console usage control center with metered usage, included units, and guardrail states — Usage control center — metered consumption against included units, before it bills.

One source of truth

APIs are tied to operator-visible state.

Usage events, subscription changes, invoice creation, and tax quotes are visible in the same operational workspace finance teams use for review.