Technical Documentation
Real-Time Transaction Authorization & Automation
EasyLink API: Demo
Place a simple link on your website which routes customers to a customized page with your logo on the SpeedChex Gateway for payment collection.  Customer will be redirected back to your website when the check payment has processed.   
 
  Download this API:  
  MS Word Adobe PDF  
 
ECheck Transaction Command API:
Your website collects the electronic check payment data and then sends that data via HTTP POST or Web Service to the SpeedChex Gateway in real-time for processing.  Your customer never leaves your website.  Sample code is included in API documentation.
 
  Download this API:
(HTTP POST)      
 
  MS Word Adobe PDF  
  Download this API:
(Web Service)      
 
  MS Word Adobe PDF  
 
Recurring Schedule Command API:
Creating and send a recurring transaction schedule to the Speedchex Gateway and recieve an authorization or rejection response. All data collection and response handling to the customer is performed by the merchant.
   
  Download this API:
    MS Word Adobe PDF Sample Code (ASP)
 
Remote Deposit Command API:
Scan checks directly from your desktop and send the check data and images to the SpeedChex Gateway for processing using this API.
 
  Download this API:  
  MS Word Adobe PDF  
 
ServerLink Advanced API (deprecated): Demo
Documentation for sending single transactions in realtime to SpeedChex and receiving an authorization or rejection response. All data collection and response handling to the customer is performed by the merchant.  This API has been replaced by the ECheck Transaction Command API (see above).
   
  Download this API:
    MS Word Adobe PDF Sample Code
(ASP, PHP, Perl)
 
 
SpeedChex Data Management
 
Batch Processing API:
Documentation and file specs for automating the process of uploading batch files of transactions to SpeedChex.
   
Download this API:
  MS Word Adobe PDF Delphi Sample VB
Sample
 
Express Verify API:
Documentation for performing verification on a single account in real-time using the SpeedChex Express Verify system.
   
Download this API:  
  MS Word Adobe PDF  
 
Status Tracking API:
Create an automated link between their software and the SpeedChex Electronic Gateway for tracking the return status on each electronic check transaction submitted for processing.
 
Download this document:  
  MS Word Adobe PDF Visual Basic
Sample Code
 
General Information
NACHA SEC Codes
 
Download this document:  
  MS Word Adobe PDF  
Speedchex Security & Reliability
 
Download this document:  
  MS Word Adobe PDF