FAQ
Lob Basics
- What can I do with Lob?
- Can I track my mail?
- How long until my mail is delivered?
- Is Lob available outside of the US?
- How long does Lob keep API logs for my account?
- What are some best practices and recommendations around using First-Class Mail and Marketing Class Mail (aka Standard Class)?
Letters
- How do I know if my letter will incur an extra postage fee?
- If I send a double sided letter and insert a blank page, which sheet does my content begin on?
- 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 offer Electronic Return Receipts?
Envelopes
- What are the different types of letter envelopes offered by Lob?
- What product specs for letter envelopes do you have available?
- Does Lob support custom envelopes?
- How do I order custom envelopes?
- Does Lob have design guidelines around custom envelope artwork?
- How do I know how many custom envelopes are available in my inventory?
Address Verification
- What is the Lob Confidence Score?
- How am I charged for the Autocomplete API?
- Why is my address undeliverable?
- Can I add autocomplete and verification to my HTML forms?
- Do you have a Zip Lookup API?
- Is your US Address Verification API CASS Certified?
Postcards & Self-mailers
- What size postcards does Lob support?
- What is a self mailer, and does Lob support it?
- What product specs for folded self-mailers do you offer?
- What are the exact “ink-free zone” dimensions for postcards & self-mailers?
- What postage does Lob use on postcards and self-mailers?
- What are your mailing class options?
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?
Billing & Pricing
- What are Lob's Platform Editions?
- Do your prices include the cost of shipping?
- USPS Price Increase
- Can I close my account if I have unpaid invoices or sent mail this month?
- Can I modify my invoice to be reflective of the various cost centers in my business?
- Is there a way to separate annual subscription and usage fees in the invoice?
Support
- Why did my webhook get deleted?
- How is eligibility for Lob.org determined?
- Why can't Lob delete addresses on behalf of customers?
- Why is my address redacted and why does it show up as a black highlighted field?
- My credit card was declined due to an incorrect zip/ security code. What do I do?
- What are some guidelines around PDFs?
Integrations
- Is there a way to upload a CSV of my address list and documents?
- What other services do you integrate with?
- Does Lob have a Salesforce integration?
- How do I enable Lob in Salesforce?
- I have Salesforce Marketing Cloud; does Lob’s Salesforce integration work with SFMC?
- I am experiencing issues with my Salesforce integration. Who can I contact?