Generate

Generates a valid Singapore Unique Entity Number (UEN).

GET /uen/generate

Parameters

Parameter	Required	Default	Description
type	No	Random	UEN type: A, B, or C
year	No	Random	Registration year (4 digits, for Type B/C)
prefix	No	Random	Prefix character for Type C (T, S, or R)

Example

curl "https://api.uwuapps.org/uen/generate?type=B&year=2020"

Response

{
  "success": true,
  "uen": "202012345K",
  "type": "B"
}

UEN types

Type	Description
A	Business registered with ACRA (9 chars: 8 digits + checksum)
B	Local company (10 chars: 4-digit year + 5 digits + checksum)
C	Other entities (10 chars: prefix + year + entity code + digits + checksum)