---
title: "Customer Phone Look up"
method: POST
path: "/user/auth/customer_phone_lookup/"
tags: ["Consumer Verification and Lookup"]
---

# Customer Phone Look up

`POST /user/auth/customer_phone_lookup/`

The Katapult API allows retailers to search for existing Katapult  account holders using phone number and SSN4.

## Request body

- object
  - `phone` string
  - `ssn4` string

## Response `200`

Successful lookup

---

[API](https://skmtc.dev/katapult/apis/katapult-api.md) · [All operations](https://skmtc.dev/katapult/apis/katapult-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/katapult/katapult-api/revisions/d6b487447fd3/schema)