generated: '2026-07-20' method: searched source: https://amer.developers.trustly.com/api-reference/api note: >- Trustly (PayWithMyBank) separates test and live traffic by host. No public magic test card/bank values were found in the developer docs; test flows run against the sandbox host with sandbox-provisioned merchant credentials. environments: - name: sandbox api_base_url: https://sandbox.trustly.one/api/v1 lightbox_loader: https://sandbox.trustly.one/start/scripts/trustly.js?accessId=YOUR_ACCESS_ID - name: production api_base_url: https://api.trustly.one/api/v1 lightbox_loader: https://trustly.one/start/scripts/trustly.js?accessId=YOUR_ACCESS_ID credentials: note: >- accessId + accessKey (HTTP Basic) are provisioned per environment in the Trustly Merchant Portal (Settings > Developer Settings). Client-side calls require a server-generated requestSignature.