Deterministic Legal Entity Identifier check for regulatory reporting pipelines (EMIR, MiFI
Deterministic Legal Entity Identifier check for regulatory reporting pipelines (EMIR, MiFID II require a valid LEI per counterparty): structure regex and ISO 7064 mod 97-10 checksum over the 20-char code. Query: ?lei=HWUPKR0MPOU8FGXBT394. Returns valid, lou_prefix, entity_part and a failure reason. Filters typos before hitting the GLEIF registry (see /v1/global/lei for the live record). Pure offline, 1y cache.
2000 (raw units)
price
1
calls / 30d
1
unique payers
2026-08-27
updated
Provider
data.greeneris.io · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x6ab8efe305cce67daa48c97bde29c04402822dff",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "2000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"lei": "HWUPKR0MPOU8FGXBT394"
},
"type": "http"
},
"output": {
"example": {
"check_digits": "94",
"entity_part": "KR0MPOU8FGXBT3",
"lei": "HWUPKR0MPOU8FGXBT394",
"lou_prefix": "HWUP",
"source": "offline ISO 17442 structure + ISO 7064 mod 97-10 checksum (no GLEIF lookup)",
"valid": true
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"queryParams": {
"properties": {
"lei": {
"description": "LEI to validate, 20 characters",
"type": "string"
}
},
"required": [
"lei"
],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://data.greeneris.io/v1/validate/lei" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://data.greeneris.io/v1/validate/lei");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://data.greeneris.io/v1/validate/lei")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/3994.json, and this resource appears in /discovery/resources and /discovery/search.