United States routing number generator

ABA routing numbers with a valid check digit, for testing US bank transfers and ACH flows. Synthetic.

322271724

API: GET https://sampuli.site/api/v1/us/routing · bulk: https://sampuli.site/api/v1/us/routing?n=100

Use it anywhere

Browser	sampuli.site — pick United States, generate, export CSV/JSON
REST API	`curl https://sampuli.site/api/v1/us/routing?n=25`
npm	`npx @sampuli/data us.routing`
Node	`import { generate } from '@sampuli/data'; generate('us.routing')`