FAQ
Lob Basics
- Is there a way to upload a CSV of my address list and documents?
- Can I track my mail?
- How long until my mail is delivered?
- Is Lob available outside of the US?
- How can I view aggregate mail analytics?
- What is the difference between my Secret and Publishable API Keys?
Billing & Pricing
- What are Lob's Platform Editions?
- Do your prices include the cost of shipping?
- I’ve updated my credit card - how can I pay outstanding invoices?
- What will happen to my features when I downgrade my subscription edition?
- What will happen to my features when I upgrade my subscription?
- If I am not under the Enterprise plan, can I gain access to HIPAA compliant mailings for an additional fee?
Postcards
- What are the exact “ink-free zone” dimensions for postcards?
- What are these smudges on my postcards?
- I can't cancel mail from my dashboard anymore. What can I do?
- What are your mailing class options?
- What are your daily cut off times for postcards?
- What postage does Lob use on postcards?
Letters
- What additional mail services does Lob offer?
- What is this vertical string of characters/QR code at the bottom left corner of my letters? Can I remove it?
- If I send a letter double_sided, what will be the price of my letter?
- Does Lob support custom envelopes?
- Does Lob offer Electronic Return Receipts?
- Am I charged for the extra sheet included with my Certified mail?
Checks
- My check was returned to sender. Where is it located?
- Can I send a letter and check in the same mailing?
- Can I add a custom signature to my checks?
- When I send a check, does Lob debit funds from my account?
- What are your mailing class options?
- Is it possible to add a logo to my check via the dashboard?
Address Verification
- Do you have a Zip Lookup API?
- Is your US Address Verification API CASS Certified?
- What states does the US Address Verification API support?
- What countries does the International Address Verification API support?
- Can I verify an address with my Test API key?
- Why is an address returned in uppercase letters after it has been verified?
Support
- How do I close my account?
- What is the difference between the "time" and "date_created" parameter shown in tracking events?
- How do I set up webhooks?
- How can I get notified when my mail pieces receive scans?
- Send Physical Letters Using Webmerge And Lob
- What can I do to prevent duplicate mailings from being created?