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

# Overview

> Streamline identity verification and accelerate customer onboarding with the Prove Connector

The Prove Connector provides connectivity with [Prove](https://www.entrust.com/products/identity-verification), designed to help you accelerate your lending and onboarding process by prefilling end user personal information. It only requires the user's phone number, or their SSN last 4 digits, or date of birth.

*This feature is only available in the United States.*

**Version supported:** 2.0

### Key capabilities

<CardGroup cols={3}>
  <Card title="Phone number ownership verification" icon="phone-xmark">
    Verify the trustworthiness of the phone number by checking length of number ownership, service provider reliability, and many other fraud indicators.
  </Card>

  <Card title="Personal information auto-fill" icon="wand-magic-sparkles">
    Speed up onboarding and lending by auto-filling end user data while limiting manual input.
  </Card>

  <Card title="Personal data verification" icon="user-check">
    Deliver a trust score for all data entered by the end user, so you can decide which data to trust.
  </Card>
</CardGroup>

***

## Supported operations

The Prove Connector supports the following operations from our Grand Central Unified API:

| Operation                                               | Endpoint                            |
| :------------------------------------------------------ | :---------------------------------- |
| Retrieve end user personal information                  | `POST /parties/search`              |
| Retrieve phone number trustworthiness                   | `POST /assessment-by-phone-address` |
| Retrieve trust score for personal information submitted | `POST /downloads/verify-id`         |

### Core use cases supported

<CardGroup cols={2}>
  <Card title="User onboarding" icon="circle-user-circle-check" />

  <Card title="User data update check" icon="user-check" />

  <Card title="Prevent fraudulent account opening" icon="user-ninja" />

  <Card title="Prevent account takeover" icon="user-ninja" />
</CardGroup>

<Info>
  For information about the Grand Central Unified API endpoints that support these features, see [Reference](connector/marketplace/connectors/kyc-kyb-connector/prove/reference).
</Info>

**Want to adopt the journey(s)?** Check out the [Onboarding Backbase Engagement Banking Platform journey](https://backbase.io/documentation/digital-onboarding/2025.10/onboarding-journeys-steps/us-autofill/us-autofill-journey-understand).