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Top Rated Solution for Vendor and Contract Lifecycle Management

G2 reviews, 4.5 stars Software Advice, 4.7 stars

“Before Gatekeeper, our contracts were everywhere and nowhere.”

Anastasiia Sergeeva, Legal Operations Manager, BlaBlaCar

“Gatekeeper is that friendly tap on the shoulder, to remind me what needs our attention.”

Donna Roccoforte, Paralegal, Hakkasan Group

“Great System. Vetted over 25 other systems and Gatekeeper rose to the top.”

Randall S. Wood, Associate Corporate Counsel, Cricut

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GATEKEEPER AI AGENTS

W-8 Validator Agent.

W-8 forms come in multiple variants, each with different required fields and tax treaty provisions. 

The W-8 Validator Agent checks every form variant for completeness and accuracy as soon as it is submitted, flagging discrepancies before they delay vendor setup or payment processing.

 

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HOW IT WORKS

How the W-8 Validator Agent works.

W-8 form submission.

A vendor submits their W-8 form through Gatekeeper.

 

 

Validation rules.

The agent identifies the form variant and applies the correct validation rules for that specific type.

 

 

Entry flags.

Required fields are checked for completeness. The system flags missing or incorrectly formatted entries immediately.

 

 

 

Identification validation.

Tax identification details and treaty provisions are validated against the form type's requirements.

 

Vendor feedback.

Valid forms move forward. Forms with errors are returned to the vendor with specific feedback on what needs correcting.

 

Up to 95% faster.

Routine work is completed in a fraction of the time, while keeping your team in control.

FAQ

Frequently asked questions.

Which W-8 form variants does it support?

The agent validates W-8BEN, W-8BEN-E, W-8ECI, W-8EXP, and W-8IMY forms, applying the correct validation rules for each variant automatically.

 

Does it check tax treaty provisions?

Yes. The agent validates treaty claims and certifications based on the submitted form variant, flagging any that appear incomplete or inconsistent.

 

What happens when errors are found?

The vendor receives specific feedback on what needs correcting. Your AP team does not need to identify or communicate the errors manually.

Is there an audit trail?

Every Agent action is recorded in Gatekeeper with a timestamp, including the criteria applied, decision made, supporting evidence and reasoning where applicable.

This creates a searchable record of how each outcome was reached, supporting compliance verification, internal review and audit requirements.

How is my data kept secure and compliant?

Your data stays within Gatekeeper while the Agent performs its work. Actions, decisions and supporting evidence are logged, creating a clear audit trail.

The Agent operates within the permissions, playbooks and authority controls you configure.

Data handling follows Gatekeeper’s enterprise security standards, including SOC 2 Type II compliance and GDPR requirements.

one unified record

Every capability, unified.

One system of truth.

Customer and vendor contracts, obligations, and renewals in one record.

See spend against contract.

Contract value sits next to what is actually being spent.

No single point of failure.

Contract knowledge lives in the platform, so nothing is lost when someone changes role or leaves.

Draft from approved templates.

Every agreement starts from language Legal already trusts.

Keep control of the clause library.

Guard-railed templates keep off-policy wording from going out.

Nothing renews unnoticed.

Every renewal date tracked, with owners and reminders set automatically.

Expert insight & opinion

Related AI agents.

Gatekeeper's agents work as a single, connected team, handing off to one another across the lifecycle rather than running in isolation like bolted-on point tools.