Payment Instance
GET /v1/paymentmethod/1/?format=api
https://testilinkedevents-api.turku.fi/v1/paymentmethod/1/?format=api", "@context": "http://schema.org", "@type": "PaymentMethod" }{ "id": "1", "name": { "fi": "Käteinen", "sv": "Kontant", "en": "Cash" }, "@id": "