ÍST TS 311 defines web application programming interfaces implemented by Icelandic commercial and savings banks to expose shared functionality and information for debit and credit cards details and statements, under the Icelandic Online Banking Web Services (IOBWS) framework of specifications. Other ÍST Technical Specifications exist which address related but discrete units of the overall IOBWS framework, either as new additions or upgrades to the previous specifications. Some crosscutting guidelines and shared concerns are addressed in the workshop agreement ÍST WA 316. As the consumption and implementation of each part of IOBWS are optional, the documents aim to be independent of each other. However, due to the origin of the underlying OpenAPI specification in the Berlin Group NextGenPSD2 Framework, ÍST TS 311, ÍST TS 310 on Domestic Payments and ÍST TS 313 on Foreign Payments overlap in parts. All three share a base in the “IOBWS3.0.yaml” definition document and the underlying schem
