Every call is a chain of events

Pick an action and send the request. Panaceum shows where it lands: invoices, payments, servers, emails and webhooks.

Action

Parameters

Billing cycle

No cart: the order becomes an invoice and a payment link right away.

API/api/v1

Where it lands

Invoiceswaiting

Paymentsnot affected

Servernot affected

Ticketsnot affected

Emailwaiting

Webhookwaiting

Logwaiting

Request

API key

$ curl -X POST https://billing.example.com/api/v1/orders \

  -H "Authorization: Bearer pn_test_…" \

  -H "Idempotency-Key: 6f2c…e41" \

  -d '{"items":[{"product_id":14,"billing_cycle":"quarterly","qty":1}],"currency":"USD","method_code":"stripe"}'

Response

Press Send

Three surfaces

One engine, three schemas

796operations across three OpenAPI 3.1 schemas

Rules

Keys and scopes

A bearer key per task, scopes visible in the admin.

Idempotency

A retry with the same key never duplicates.

Money as strings

Amounts travel as strings, clients never compute money.

Call log

Key, method, object, result and time.

We issue a sandbox key: real responses, no changes applied.