Read the supported HMDA FIG field registry and validation boundary (segregated monitoring scope)

GET/lending-monitoring/schema

Dedicated segregated monitoring read authority required. Registry records the official 2026 FIG source/version/hash and supported structural validation boundary.

Returns

200 OK

fieldsarray of objectsRequired

7 child attributes

allow_blankbooleanRequired

codesarray of stringsRequired

exact_lengthintegerRequired

maximum_lengthintegerRequired

namestringRequired

numberintegerRequired

numericbooleanRequired

idstringRequired

retrieved_atstringRequired

source_sha256stringRequired

source_urlstringRequired

source_versionstringRequired

validation_levelstringRequired

yearintegerRequired

Errors

Every error is a problem document with a stable code. See Errors.

400401403404409412413422424429500503