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Simplify supports a **Version Number Inquiry** message from the POS. The POS can send this message to the device when it wants to check information about its Simplify implementation.

The **Version Number Inquiry** request does not contain API 5001. The only fields are API 0001 (Tran Type = 36) and API 0011. Upon receipt of the Version Number Inquiry request, Simplify will send a **Version Number Inquiry** response containing Simplify Program, Parameter and Build version numbers in API 5001 and additional Simplify load information in API 5070. If On-Device SAF is enabled, the response also includes SAF API fields 5075/5076/5077 (see sample fields below, and :magic-link[Dedicated API Fields]{id="supported-functionality#dedicated-api-fields"} for more information).

**Note:** This message will take the screen to IDLE state on all non-financial transactions.

## Field 5001 Format

| Message | Description |
|-----------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (Generic format) |The format of this field is TTTLLLVVV…VV, where: • TTT is a Tag • LLL is the length of the data. • VVV..VV is the data|
| Request | (Not used)|
| Response | Simplify load levels - TTT - Currently defined tags are: • 006 – Simplify Program/Parameter/Build numbers. • LLL = 040 • VVV..VV - Bytes 1-20 - Simplify Program and Parameter numbers (padded to 20 bytes, right-justified) - Bytes 21-40 - Simplify "Version" and Build numbers using Release Number format (padded to 20 bytes, right-justified). The Release Number format is described under :magic-link[Versioning]{id="versioning"}. |
 
## Sample Message

### Request
|API Field #, Value|	Description|
|----|----|
|0001,36	|Transaction Type. A value of 36 indicates a Non-Financial Message.|
|0011,xxxx.|User Data. See :magic-link[API 0011 (User Data)]{id="simplify-controlled-field-definitions#field-0011-user-data"} .|


### Response
An example of a **Version Number Inquiry** response is shown below. This sample is for On-Device SAF enabled.

| API Field \#, Value | Description |
|---------------------------|----------------------------------------------------------------------------------------------------|
| 0001,36 | Transaction Type. A value of 36 indicates a Non-Financial transaction |
| 0011,xxxxx.. | User Data. See :magic-link[API 011 (User Data)]{id="simplify-controlled-field-definitions"}. |
| 5001,006040 Ver: 2.28 - 2.28.1 Build: 28115| Version number data • 006 = Tag for Simplify Program/Parameter/Build numbers • 040 = Length of version number data • Ver: 2.28 - 2.28.1 = Simplify Program and Parameter numbers • Build: 28115 = Simplify "Version" and Build numbers| 
| 5002,80378002 | Device serial number (if present) | 
| 5070,xxxxx..|Simplify load information. See :magic-link[Simplify-Controlled Field Definitions]{id="simplify-controlled-field-definitions"} for more information.|
|5075,00000000;00500000	|Total SAF Local Approved Pending Amount and Limit|
|5076,00000;00000;00500;FlashFreeData=381992K;RAMFree=408342K|	SAF Additional Data1|
|5077,TT00018LA=00000;LD=00000;|	SAF Additional Data2 • LA = Local Approved Pending Count • LD = Local Declined Pending Count|

Version Number Inquiry Message (Tran Type 36-06) 

Alliance Offers

Data as a Service

Invitation to Apply

Accounts

Bank Holidays

Card Activation

Card Controls

Challenge-Widget

Commercial Credit Cards

Commercial Statements

Credit Card Account Details

Credit Card Accounts Overview

Credit Card Alerts

Credit Card Application Status

Credit Card APRs

Credit Card Balance Transfers

Credit Card Disputes

Credit Card Payments

Credit Card Qualified Offers

Credit Card Statements

Credit Card Transactions

Data Sharing for Marketing Purposes

Digital Wallets

Make a Payment - Coming Soon

Rewards Accelerator

Rewards Automatic Redemption

Rewards: Balance Summary

Rewards: Dashboard

Rewards Redemption Accounts

Rewards Redemptions

Rewards Transactions: Earned and Redeemed

Travel Notifications

User Profile

3DSecure2

Avvance

CheckoutJs

Commerce SDK

Converge

Disputes Management

Dynamic Currency Conversion

eBoarding

Elavon Cloud Payments Interface

Elavon Payment Gateway

Fusebox

Hosted Payment Page

In Person Payments on Opayo

Leads

Lightbox payment modal

Online Payments on Opayo

Opayo

Opayo Direct

Opayo Forms

Opayo Reporting API

Opayo Server

Opayo Shared API

Payment Method Gateway

Payments Core 365

Simplify

viaconex

XML API

Card as a Service API

Core Banking API

Money Movement API

Reference API

Access Online Transactions

Account Transfers

Account Validation

ACH Originations

Bank Information

Card as a Service

Check Payables

Corporate Account Information

Corporate Account Information 3LO

Corporate Credit Cards

Corporate Onboarding

Corporate Statements

Custody

Data Toolbox

Data Toolbox - Accounts

Data Toolbox - Documents

Data Toolbox - Transactions

Debit Card Phone Number Lookup

Disbursements via Zelle®

U.S. Bank Flexible Capital Platform

Freight Payment Customer Profiles

Freight Payment Transactions

Incoming Webhooks

Instant Payments

Investment Accounting

PaySmart

Payee Choice

Payee Token+

Personal Loans

Positive Pay

Push to Card

Receivables

RTP® - Real-Time Payments

Tokenized Payments

Treasury Builder

U.S. Bank FBO Account

Virtual Account Reporting

Virtual Card Payments

Voyager Accounts

Voyager Cards

Voyager Drivers

Voyager Transactions

Voyager Vehicles

Wire Transfers

Simplify Overview

Ingenico Developer Guide 2.03.02x.121 Ver. 25-31

Simplify Introduction

Supported Hardware

General Guidelines

Message and Communications Protocols

Versioning

Financial Messages

Overview and Guidelines

Sale Message (Tran Type 02)

Auth Only Message (Tran Type 01)

Prior Auth Sale Message (Tran Type 07)

Incremental Authorization Message (Tran Type 75)

Full Authorization Reversal Message (Tran Type 61)

Partial Authorization Reversal Message (Tran Type 76)

Return Message (Tran Type 09)

Void Return Message (Tran Type 17)

Void Sale Message (Tran Type 11)

EBT Messages (Tran Types 02, 09, 11, 17, 24)

Gift Card Messages (Tran Types 01, 02, 07, 09, 11, 17, 24)

Inquiry Message (Tran Type 22)

 DCC Inquiry Message (Tran Type 46)

Token Request Message (Tran Type 37)

Cancel Message (Tran Type 80)

Health Message (Tran Type 73)

Batch Close Message (Tran Type 13)

Batch Inquiry Message (Tran Type 14)

Non-Financial Messages

Non-Financial Messages (Tran Type 36)

Signature Message (Tran Types 36-01, 36-02)

Initiate HEM/IngEstate Message (Tran Type 36-07)

Scrolling Receipt Request Message (Tran Type 36-10)

Scrolling Receipt Stop Message (Tran Type 36-11)

Exit Reversal Mode Message (Tran Type 36-12)

Informational Prompting Message (Tran Type 36-14)

System Command Message (Tran Type 36-15)

Allow Pre-Tendering Message (Tran Type 36-40)

Print Request Message (Tran Type 36-45)

Status Message (Tran Type 36-51)

POS SAF Processing

Offline Transaction Processing

Stand-In Response

Store and Forward Transactions 

EMV Considerations

EMV Tags and other EMV-related Response Fields

EMV Offline Situations

ICC (Chip) Declines and Simplify Reversal Mode

Pay-At-Table

Transaction Flow

Pay-At-Table API Fields

Messaging

Pay-At-Table Message Overview

Login Message (Tran Type 39-01)

Get Check Info Message (Tran Type 39-02)

Controlling screen flow after check selection

Check Detail Message (Tran Type 39-07)

Make Payment Message (Tran Type 39-05)

Print Receipt Message (Tran Type 39-06)

Simplify Payment Process

Print Receipt Request and Response (Tran Type 39-06)

Logout/Disconnect Message (Tran Type 39-04)

Recovery

Informational Prompting

General information for all tags

Generic messaging

Tag 010 - Text with Optional Buttons

Tag 011 - Static and Scrolling Text with Optional Buttons

Tag 012 - Text and Graphics with Optional Buttons

Tag 013 - Fast Graphics Download

Tag 014 - Text and Camera Image

Tag 020 - Scrolling Text 

Tag 030 - Virtual Keyboard

Tag 031 - Tactile Keypad

Tag 040 - Radio Buttons 

Tag 050 - Check Boxes

Tag 060 - Slider Message