# Prefill Products

## Prefill Products
In development, [Prefill Products](/client-spec/products#prefill-products) return synthetic demo data — no specific test inputs needed.
| # | Product | Endpoint | How to test |
|  --- | --- | --- | --- |
| 1 | Address Prefill | `POST /direct/address-prefill` | Send any random 10-digit phone number as `mobile` to get demo records back. |

**Pairing with Offers IQ.** To test Address Prefill against a specific Offers IQ scenario, send the `fname` and `lname` from a row in the [Offers IQ test-case catalog](#offers-iq). The prefill response returns that test case's address, which you can then submit to `POST /direct/credit-pre-screening`.

Version: v3

## Description:

  - `Prefill Products` ()
    In development, Prefill Products return synthetic demo data — no specific test inputs needed. #ProductEndpointHow to test1Address PrefillPOST /direct/address-prefillSend any random 10-digit phone number as mobile to get demo records back. Pairing with Offers IQ. To test Address Prefill against a specific Offers IQ scenario, send the fname and lname from a row in the Offers IQ test-case catalog. The prefill response returns that test case's address, which you can then submit to POST /direct/credit-pre-screening.