Check a US ABA routing number: 3-7-1 weighted checksum and the Federal Reserve d...
https://bank-validators.x402tookit.com/aba-routing-checkOverview
Check a US ABA routing number: 3-7-1 weighted checksum and the Federal Reserve district from the prefix.
Protocol
x402
Price
$0.02
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
Bank and Tax ID Validators
Source
bazaar
Indexed
2026-11-01 23:12:18
Health
Status
unknown
Latency (p50)
—
Uptime (30d)
—
Reliability Score
—
Last Checked
Never
Last Healthy
Never
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
—
Asset Verified
—
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"routing": "021000021"
},
"type": "http"
}
Output Schema
{
"example": {
"asOf": "2026-10-21T00:36:48.077Z",
"degraded": false,
"disclaimer": "Screening signal computed from the named public source. Not financial, legal or investment advice; provided as is. Verify at the source before acting.",
"fedDistrict": 2,
"fedDistrictCity": "New York",
"normalized": "021000021",
"notChecked": [
"whether the number is assigned to a bank (no Federal Reserve directory lookup)",
"which institution owns it",
"…1 more"
],
"prefix": "02",
"prefixKind": "Federal Reserve bank (paper processing prefix)",
"reasons": [
"A pass means well formed, not assigned to a bank."
],
"source": "computed locally",
"summary": "021000021 passes the ABA checksum; prefix 02 is the New York Fed district, Federal Reserve bank (paper processing prefix).",
"verdict": "VALID",
"weightedSum": 30
},
"type": "json"
}