United States APIs
ABA routing number and EIN checks, 41,000+ ZIP codes with state and county, federal holidays and Federal Reserve H.10 rates.
What LiveAPI covers in United States
| ID and tax numbers | ABA routing number, EIN |
|---|---|
| Postal codes | 41,000+ ZIP codes with state and county. |
| Public holidays | Federal holidays via Nager.Date. |
| IBAN | The country does not use IBAN. |
| VAT numbers | Not covered. |
| License plates | Not covered. |
ID, tax and company numbers
- ABA routing number
POST /v1/validate/US/aba_routing
9 digits, 3-7-1 checksum and Federal Reserve prefix. Example:021000021 - EIN
POST /v1/validate/US/ein
9 digits with a valid IRS campus prefix (no check digit exists). Example:04-2103594
Checks are algorithmic only (registry_checked: false). Values are never stored or logged.
More United States APIs
FAQ
Do you validate Social Security numbers?
No. SSNs are deliberately not offered.