Developer hub for billing infrastructure.
Integrate Floatless with API-first primitives for customers, usage events, subscriptions, invoices, tax, webhooks, and revenue exports.
await fetch("https://api.floatless.com/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 by job.
Keep the docs navigable for engineers while giving decision-makers a clean way to evaluate integration scope.
Quickstart
Create an API key, create a customer, and retrieve subscription and invoice state.
OpenAPI reference
Customers, products, subscriptions, invoices, usage events, and webhooks.
OpenErrors & pagination
Stable error codes, request tracing, and limit/offset pagination for every list endpoint.
OpenUsage events
Send metered usage events safely with idempotency keys.
OpenWebhooks
Subscribe to billing lifecycle events, verify signatures, and replay failed deliveries.
OpenOpenAPI schema
Generate typed clients and contract tests from the machine-readable spec.
OpenRated usage
2.4M
Invoice value
$84.6K
Exceptions
7
| Customer | Meter | Amount |
|---|---|---|
| Acme Corp | API calls | $1,840.00 |
| Northstar AI | Tokens | $4,920.00 |
| Vertex Labs | Seats + usage | $12,400.00 |
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.