U.S. visitor visa guide
Invitation letter and host documents
A letter from a U.S. contact is usually optional, but it can help for family visits. This page says what to include.
Short answer
An invitation letter is usually optional for a B1/B2. If you stay with family or friends, ask them for a short letter with their name, address, phone, relationship to you, your planned dates, and their U.S. status. It cannot replace your own funds and ties.
What to include
- Host name, address, and phone
- Relationship to you
- Your planned dates and where you stay
- Host’s U.S. status (citizen, green card, visa)
When it helps
For a family visit, it explains why you are going and who you will stay with. It is supporting material, not the main evidence.
What it cannot replace
An invitation does not prove you will return home. Your job, family, and funds still carry the case.
FAQ
Is an invitation letter required?
Usually optional for B1/B2. The officer decides on your own ties and funds.
Who should write it?
The person you will stay with, not a third party you have never met.
Does an invitation guarantee approval?
No. It is supporting material only.
Official sources
Links to public government pages for verification.