Verify TINs + submit 1099s without the headache

A modern API solution for W-9 collection, TIN verifications, 1099 filings, corrections, and more for federal and state-level compliance.

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New to 1099 compliance?

Check out our helpful tax guides to learn the ins and outs of the entire process, and how to avoid common mistakes that lead to massive headaches.

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Why businesses choose Abound

Take back control

You decide how to collect, handle, and verify user data while still automatic.

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Reduce errors

Real-time verification and feedback ensures W-9 information is error-free.

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Outage Proof

Your TIN verifications are automatically re-queued during IRS system outages.

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Set up in one day

Modern API allows for a seamless integration with your systems in less than 24 hours.

How it works

Other solutions offer antiquated FTP uploads, disjointed taxpayer experiences and outdated API solutions. We’ve modernized 1099 compliance — saving your team time and money.

Collect W-9 information automatically

Use Abound's W-9 drop-in component to shift the tedious busywork of collecting user information, from your team to the end-user.


Always have an updated Form W-9 on file when your taxpayers make a change to their profile.

Securely gather user information in your app or platform, under your brand, without having to handle PII.

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Verify Tax ID Numbers for accuracy

Let Abound help you avoid corrections and fees. Through real-time automated TIN matching, Abound will notify you when a user has inaccurate information so you can prompt for correction well before any form is filed.


Accurate information helps your user get paid faster and avoid undesired surprises during tax season.

Internal automation ensures that your tax team doesn't handle the data, meaning less potential for typos and burnout

Submit error-free 1099s

Effortlessly initiate your 1099 filings with confidence, avoiding costly penalties and expenses from submitting invalid forms.


Generate and file error-free Form 1099s to Federal and State tax authorities with just one click.

File your way - individual and batch filing options available.

Securely deliver tax documents with your taxpayers inside your own product.

Initiate physical mail issuance through the API.

Rest easy knowing all documents are safely stored and instantly accessible on the Abound API.

Our features

W-9 form generation
Error-proof form validation
Electronic and physical form issuance
Real-Time SSN, EIN & TIN verification
Form correction and void support
Complete state-level coverage
Document storage & retention
Bulk/batch filing support
Enterprise-level dashboard
Embeddable UI: fully white-labeled
Support for 1099-K, 1099-INT, and 1099-NEC
B-Notice automation and form generation (CP2100)

Trusted across Operations and Finance departments

"We are all impressed. This is what a modern company should look like."

Vijay Singh

"Given the drastic new changes to the 1099 reporting laws, Abound was an easy choice. Their functionality lets us concentrate on our core product and taking care of the families in our marketplace.”

Dori Graff

"Our members expect us to make their financial lives easier by helping them avoid penalties."

Anthony Mironov

Ready to build the future independent workers want to work in?

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