
Lob
Direct mail API for programmatic creation and delivery of physical mail.

About Lob
Lob provides a direct mail API that allows businesses to automate the creation and delivery of personalized physical mail without manual design or printing logistics. The platform supports various mail formats including postcards, letters, and dimensional mailers, with features for dynamic content customization, recipient address validation, and tracking. It integrates with popular business tools and automation platforms, making it suitable for marketing teams, e-commerce platforms, and enterprises looking to add physical mail capabilities to their digital workflows.
Features
- Programmatic mail piece creation
- Address validation and correction
- Mail tracking and delivery status
- Dynamic content personalization
- Integration with business tools
- Automated mail workflows
- Multiple mail format support
Use Cases
E-commerce platforms sending personalized product catalogs
Marketing teams automating direct mail campaigns
Real estate companies sending property listings
Financial services delivering secure documents
Subscription services sending welcome packages
Healthcare organizations mailing appointment reminders
Pricing
Developer Plan
$0/mo
Up to 500 Mailings
Startup Plan
$260/mo
/mo
Up to 3,000 Mailings
Growth Plan
$550/mo
/mo
Up to 6,000 Mailings
Enterprise Plan
Contact sales
Custom Pricing
Custom Mail Capacity
Source: Pricing page (Freemium)
Frequently Asked Questions
What types of mail can I send through Lob's API?
Lob supports postcards, letters, and dimensional mailers that can be programmatically created and customized through their API.
Does Lob validate addresses before sending mail?
Yes, Lob includes built-in address validation and correction to ensure mail reaches the intended recipients.
Can I track the delivery status of my mail?
Yes, Lob provides real-time mail tracking and delivery status updates through their platform.
Additional Details
Integrations
- Zapier
- Salesforce
- Hubspot
- Mailchimp
- Shopify
Platforms
- Web
- API
Compliance
- SOC2
Reviews
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Last updated: Apr 19, 2026


