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Tax ID validation for everyone.

VAT number, ABN, GSTIN. Validate these and more using our free, secure and refreshingly easy to use APIs.

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One API for Tax ID validation across the globe

Leave the hassle of bringing together multiple Tax ID sources in one place to us. Focus your energy on building your core product.

Global coverage

Global coverage

Multiple national databases under one roof

Validate in Bulk

Validate in Bulk

Upload Tax IDs in bulk and instantly validate their authenticity

Single API

Single API

Easily switch Tax ID validation between countries with a single API integration

Audit trails

Audit trails

Refer to validation history anytime

28+

countries supported

99.99%

system uptime

#1

Open source

5 star

Community driven roadmap

Eureka!
Look no further. You are in expert hands;

We are here to make your Tax ID validation

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Building blocks for validating businesses

Our platform will eliminate business’ need for multiple integrations with individual data sources. We manage all the individual integrations on our end and let you access through a single API

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The Lookup Promise

Focus on other parts of your business operations. We will take care of Tax ID validation. Integrate once and forget about it. That's how reliable we are.

Fast Performance

Fast Performance

UK, Europe, Australia. No matter the country, call our API's and instantly see the results. You don't deserve to wait.

Free subscription for small businesses

Free subscription for small businesses

If you are a freelancer or a startup, get started with our free plan with 100 Tax ID validations per month. You only have to pay as you grow.

Partner with us

Partner with us

We want to seamlessly integrate with your Billing, CRM and any other tools where you want to validate Tax IDs. Drop a request if you want us to build an integration with the tool you use. If you are a platform where your customers need to validate Tax IDs partner with us. Insert Request an app integration link here

Take control

Take control

Self hosting option for enhanced privacy. Open source community support to extend Tax ID validation to all countries you sell to.

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Plug and play solutions and integrations

No code solution to enable Tax ID validation in your existing billing and CRM tools (Coming soon).

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Choose a plan that is right for you

With plans for both startups and large enterprises, everyone can use Lookup

Open Source

Free

For getting started

  • Full access to all features
  • One API to validate Tax ID in various countries
  • Bulk Tax ID validation
  • 100 API requests
  • Premium Support

Do you have any quesiton

Our support team ready to help you, please contact with them

Why is your solution open-source?
Most of the information is already available in national databases ( VIES, HMRC etc). We want to make it easier to validate tax ID with a single API in one place. However, to build it out and maintain it for every country would be a very difficult task and can only be achieved with the help of a community supporting it.
What countries do you support for Tax ID validation?
We make use of national databases to support Tax ID validation. Currently support exists for EU through VIES, UK through HMRC, India through GST portal, Australia through Australian Business Register. We understand that you might be selling globally in other countries too and we plan to expland our support ourselves and with the help of the community.
How can I contribute to your code base?
You can access our Github repository here to contribute. Github Org.
What do I do if I am facing trouble integrating or having any other questions?
You can reach out to support@lookuptax.com for all questions. We promise to give you a response as soon as possible. You might sometimes see a delay in getting a response but please do bear with us as we are a very small team now.