{"id":"substack","name":"Substack","tagline":"Newsletter publishing from the US.","description":"Easy paid newsletters; the subscriber list and the payments run through a US company.","website":"https://substack.com","source":null,"license":"proprietary","self_hostable":false,"vendor":{"id":"substack","name":"Substack","country":"US","parent":null,"kind":"company","url":"https://substack.com","european":false},"needs":["blog","newsletter"],"replaces":[],"offerings":[{"mode":"hosted","region":"outside","price":{"basis":"usage"}}],"resources":null,"ash":null,"kind":"service","provenance":{"source":"curated","verified":"2026-09-04"},"open_source":false,"data_classes":["public-content","customer-personal"],"modes":["ex"],"verdicts":{"ex":{"verdict":"red","rule":3,"reason":"Hosted outside Europe: your data sits under non-European jurisdiction."}},"upstream":null,"needs_expanded":[{"id":"blog","name":"Blog","data_classes":["public-content","customer-personal"]},{"id":"newsletter","name":"Newsletter & e-mail marketing","data_classes":["customer-personal"]}],"page":"/tools/substack"}