A bank routing search API in Python posts a bank name and reads ABA numbers. BankDataStack: POST /api/v1/routing/database/bank with CITIZENS → official routing 113110984.
Starter $49.99/mo, 7-day trial.
Request
curl -X POST https://www.bankdatastack.com/api/v1/routing/database/bank -H "X-API-Key: YOUR_API_KEY" -H "Content-Type: application/json" -d '{"bank":"CITIZENS"}'
The official hit is routing 113110984. Do not invent extra rows.
Go live
1. Register — 7-day trial.
2. Copy the X-API-Key.
3. POST /api/v1/routing/database/bank.
4. Store routing numbers from the live list.





