docs.cijfr.com
Cijfr API
REST API for invoices, customers, products, subscriptions and mail credits. Authenticate with `Authorization: Bearer cijfr_live_…`. Studio plan required. Keys can be scoped to a Cijfr profile (handelsnaam).
GET https://docs.cijfr.com/openapi.json
/api/v1/me
- getCurrent organisation and profile
/api/v1/customers
- getList customers
- postCreate a customer
/api/v1/products
- getList products
- postCreate a product
/api/v1/invoices
- getList invoices
- postCreate an invoice (draft or sent)
/api/v1/subscriptions
- getList recurring schedules
- postCreate a subscription from invoice-like lines
/api/v1/credits
- postGrant mail credits after a paid top-up (platform billing / Edge Functions)