Bank identifier codes with the correct 8- or 11-character ISO 9362 structure — institution, ES country code, location and optional branch. Drawn from Spain's real banks.
BKBKESMMXXX| Browser | sampuli.site — pick Spain, generate, export CSV/JSON |
| REST API | curl https://sampuli.site/api/v1/es/swift?n=25 |
| npm | npx @sampuli/data es.swift |
| Node | import { generate } from '@sampuli/data'; generate('es.swift') |