Features	LetterStream.com	DocuPost	Click2Mail	PostGrid	Lob	USPS
Mail Types Supported	First-Class Certified Priority Postcards (2 sizes) Bulk Mail FedEx 2Day	First-Class Certified Priority	First-Class Certified Postcards Bulk Mail	First-Class Certified Postcards Bulk Mail	First-Class Certified Postcards Priority Bulk Mail	First-Class Certified Priority Mail
Delivery Speed & Turnaround Time	Same Day Processing	1-2 Day Processing	Same Day Processing	1-3 Day Processing	Same Day or 1 Day Processing	2-3 Day Processing
Document Tracking & History	USPS Tracking Certified Mail Tracking FedEx 2Day Tracking	USPS Tracking FedEx Tracking	USPS Tracking Certified Mail Tracking	USPS Tracking	USPS Tracking Certified Mail Tracking	USPS Tracking
Scalability	1 to unlimited	?	?	?	?	?
Address Verification & Handling	CASS NCOA	CASS	CASS NCOA	CASS NCOA	CASS NCOA	CASS
Postage & Processing Costs	First-Class Mail: $1.18 Certified Mail: $6.95 Postcard Mail 81¢	First-Class Mail: $1.05 Certified Mail: $6.75	First-Class Mail: $1.00 Certified Mail: $6.95	First-Class Mail: $1.00 Certified Mail: $6.95	First-Class Mail: $1.00 Certified Mail: $6.50	First-Class Mail: $1.00 Certified Mail: $6.95
Subscription or Monthly Fees	None	None	None	None	Subscription: $29/month	None
Mail Quantity Discounts	Volume-based discounts available	Volume-based discounts available	Discounts for bulk mailing available	Discounts for bulk mailing available	Discounts for bulk mailing available	Volume-based discounts available
API & Automation Capabilities	Full API Access Bulk & Automated Mailing	API Access Bulk Mail	API Access for Mail Automation	API Access Bulk Mail	API Access Bulk Mail Automation	None
Security & Compliance	HIPAA Compliance SOC 2 Secure Data Encryption	HIPAA Compliance Secure Data Encryption	HIPAA Compliance Secure Data Encryption	Secure Data Encryption	HIPAA Compliance Secure Data Encryption	None
Support Options	Phone Email Chat	Email Support	Phone Email	Phone Email	Email Support	Phone Email
Dedicated Account Manager	Yes (Enterprise Level)	No	No	No	Yes (Enterprise Level)	No
Customer Service Hours	24/7	9 AM - 6 PM	9 AM - 6 PM	9 AM - 5 PM	9 AM - 6 PM	9 AM - 5 PM
Unique Selling Points	Same-Day Mailing Free Account Multi-user Account Account History PDF tools Flexible API	Cost-effective solution FedEx 2Day	Simple and user-friendly	Wide range of templates	Highly customizable mail automation	Directly from USPS
Overall Review	*****	*****	*****	*****	*****	***
Pricing Link	LetterStream Pricing	DocuPost Pricing	Click2Mail Pricing	PostGrid Pricing	Lob Pricing	USPS Pricing