Validate US Employer Identification Number FORMAT (NN-NNNNNNN). Use during US bu...
https://hcrb.in/v1/tools/ein-format-check/callOverview
Validate US Employer Identification Number FORMAT (NN-NNNNNNN). Use during US business counterparty KYB verification. Returns signed XDR-1 receipt.
Protocol
x402 (POST)
Price
$0.0050
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
uncategorized
Provider
hcrb
Source
bazaar
Indexed
2026-10-26 14:43:37
Health
Status
healthy
Latency (p50)
611ms
Uptime (30d)
100.0%
Reliability Score
87/100
Last Checked
2026-10-30 00:17:01
Last Healthy
2026-10-30 00:17:01
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"body": {
"input": {
"ein": "12-3456789"
}
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Output Schema
{
"example": {
"reason": "checksum valid",
"valid": true
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-30 00:17:01 | healthy | 402 | 586ms | |
| 2026-10-29 23:13:26 | healthy | 402 | 525ms | |
| 2026-10-29 22:15:17 | healthy | 402 | 608ms | |
| 2026-10-29 21:12:45 | healthy | 402 | 611ms | |
| 2026-10-29 20:11:48 | healthy | 402 | 606ms | |
| 2026-10-29 19:16:38 | healthy | 402 | 680ms | |
| 2026-10-29 18:13:49 | healthy | 402 | 641ms | |
| 2026-10-29 17:19:20 | healthy | 402 | 1264ms | |
| 2026-10-29 16:12:46 | healthy | 402 | 678ms | |
| 2026-10-29 15:11:44 | healthy | 402 | 600ms | |
| 2026-10-29 14:18:02 | healthy | 402 | 796ms | |
| 2026-10-29 13:19:31 | healthy | 402 | 873ms | |
| 2026-10-29 12:11:18 | healthy | 402 | 860ms | |
| 2026-10-29 11:18:39 | healthy | 402 | 838ms | |
| 2026-10-29 10:17:27 | healthy | 402 | 610ms | |
| 2026-10-29 09:12:28 | healthy | 402 | 895ms | |
| 2026-10-29 08:16:30 | healthy | 402 | 504ms | |
| 2026-10-29 07:11:36 | healthy | 402 | 408ms | |
| 2026-10-29 06:17:39 | healthy | 402 | 415ms | |
| 2026-10-29 05:11:25 | healthy | 402 | 538ms |