> ## Documentation Index
> Fetch the complete documentation index at: https://docs.idmetagroup.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Income Verification

> Verify applicant income data using Indonesian data sources.

Income Verification helps you validate applicant income data using Indonesian data sources as part of your verification flow.

## How it works

### Processes

* **Validate individual NIK and NPWP combination** — Validates the identity number and tax profile combination before returning income-related results.
* **Return estimated monthly income range of the individual** — Returns an estimated monthly income range for the individual.

### Inputs

* **NIK** — The Indonesian National Identity Number.
* **NPWP (Nomor Pokok Wajib Pajak)** — The tax identification number.

<Note>
  Available fields and result behaviour depend on how your verification step is configured.
</Note>