IRS-Authorized Certifying Acceptance Agent

Get Your ITIN
Fast & Easy

Apply for your Individual Taxpayer Identification Number online. IRS-authorized processing in 2-4 weeks, not months. No passport mailing required.

4.9(2,500+ reviews)

2-4 Weeks

Processing Time

120+

Countries Served

CAA

IRS Authorized

Why ITIN.io

The smarter way to get your ITIN

As an IRS-authorized Certifying Acceptance Agent, we make the ITIN process faster, safer, and easier than doing it yourself.

Video Verification

Verify your identity from home via a quick video call with our IRS-authorized agent. No office visits needed.

Keep Your Passport

Unlike DIY applications, you never need to mail your passport to the IRS. We certify documents on your behalf.

Error Prevention

Our team reviews every application before submission, catching errors that would cause delays or rejections.

Faster Processing

2-4 weeks through our authorized channel vs 8-12 weeks for DIY applications mailed to the IRS.

ITIN.io (CAA) vs DIY Application

FeatureITIN.io (CAA)DIY (Mail to IRS)
Processing Time2-4 weeks8-12 weeks
Passport RequiredKeep yours safeMail to IRS
Error ReviewExpert review includedSelf-check
Application SupportDedicated teamOn your own
Status TrackingReal-time dashboardNo tracking
Rejection RiskMinimizedHigher
Simple Process

Get your ITIN in 4 easy steps

Our streamlined process makes getting your ITIN simple and stress-free. Most applicants complete steps 1-3 in a single day.

1

Apply Online

Complete your application in minutes

10 min
2

Upload Documents

Securely submit your passport & docs

Same day
3

Video Verification

Quick video call with our CAA agent

15 min
4

Receive Your ITIN

We submit to IRS, you get your number

2-4 weeks

IRS-Authorized Certifying Acceptance Agent

ITIN.io is powered by Clemta, an IRS-authorized CAA. This means we can verify your identity documents so you never need to mail your passport to the IRS.

10,000+

ITINs Processed

99.2%

Success Rate

120+

Countries Served

256-bit

SSL Encryption

Testimonials

Trusted by applicants worldwide

Join thousands of satisfied clients who got their ITIN through our service.

I needed an ITIN to open a U.S. bank account for my online business. ITIN.io made the entire process seamless. The video verification was quick, and I received my ITIN in just 3 weeks. Highly recommended!

C

Carlos M.

E-commerce Business Owner · Brazil

As a UK-based investor with U.S. property, I was dreading the ITIN application process. ITIN.io handled everything remotely, and I never had to mail my passport. The team was incredibly responsive and professional.

A

Aisha K.

Real Estate Investor · United Kingdom

I received stock options from my U.S. employer and needed an ITIN for tax filing. The application process with ITIN.io was straightforward and much faster than I expected. Great service!

T

Takeshi Y.

Software Developer · Japan

Working with U.S. clients required me to get an ITIN. ITIN.io guided me through every step and their document review caught an error I would have missed. Saved me weeks of delays!

M

Maria S.

Freelance Consultant · Germany

We integrated ITIN.io's whitelabel service into our tax preparation practice. Our clients love the seamless experience, and the API integration was straightforward. It's been a great addition to our service offering.

D

David L.

Tax Professional · Canada

I was worried about sending my passport to the IRS from India. With ITIN.io, the video verification meant I kept my passport safe. The whole process was smooth and professionally handled.

P

Priya R.

Business Owner · India

FAQ

Frequently asked questions

Everything you need to know about getting your ITIN. Can't find the answer? Contact our team.

An Individual Taxpayer Identification Number (ITIN) is a 9-digit number issued by the IRS for federal tax purposes. It's required for non-residents and resident aliens who cannot obtain a Social Security Number (SSN) but have U.S. tax filing obligations. This includes foreign nationals with U.S. income, non-resident business owners, and dependents or spouses of U.S. taxpayers.

Still have questions? Get in touch with our team

Ready to get your ITIN?

Start your application today or explore partnership opportunities. Our IRS-authorized team is ready to help.

IRS-authorized service
No passport mailing
2-4 week processing
100% online process