The recommended way to interact with the API is by using one of our official SDKs. Today, numlookupapi offers fine-tuned JavaScript, Ruby, PHP and Python libraries to make your life easier and give you the best experience when consuming the API.

Official libraries


A popular general-purpose scripting language that is especially suited to web development.

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A dynamic, open source programming language with a focus on simplicity and productivity.

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Node.js® is an open-source, cross-platform JavaScript runtime environment.

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Python is a programming language that lets you work quickly and integrate systems more effectively.

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Postman Collection

To make the integration of our API even easier, we have created a Postman collection for you. It offers pre-configured requests that eliminate the need to manually set up API calls, saving time and reducing the potential for errors.