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What is FullEnrich?

FullEnrich offers an API to find the emails and phone numbers for your B2B contacts. Our service is designed to ensure you never miss a connection with potential leads due to a lack of contact information. We are not just “another data vendor” — we aggregate data from more than 20 providers to achieve the highest enrichment rate in the market. Additionally, we are GDPR and CCPA aligned (we do not maintain a database of contacts).

Start by creating a FullEnrich account

You can try the API for free by signing up to FullEnrich

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How the API works

If you’re using Zapier or Make integration (but not n8n), you can ignore this part since the native FullEnrich integration requires only 1 step.
The API is asynchronous. This means that when you start an enrichment, the API response will not be the result of the enrichment, but the ID of the enrichment in progress. Once the enrichment is completed, you will then receive the result via a Webhook. This is the method we recommend. The other method, called Polling, involves regularly checking the status of the enrichment using the ID provided in the response. Schema on how the API works

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Getting Started

Ready to use the API? Here is how to get started.

Authentication

How to make secure API Calls

Start Enrichment

Enrich your first contact

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Native Integrations (no-code)

If you prefer to use FullEnrich in your workflow without writing a line of code, we’ve got you covered. All of them will ask for your FullEnrich API key that you can find here.

Zapier

Enrich contacts in your Zapier workflow

Make

Enrich contacts in your Make workflow

Clay

Enrich contacts natively in Clay using your FullEnrich API key

n8n

Enrich contacts in your n8n workflow

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Implementing FullEnrich in your product?

Join dozen of leading B2B platforms—including SalesTech, HRTech, AI agent tools, and other SaaS products—that have integrated FullEnrich directly into their product experience.
Check out our implementation guide for best practices, technical insights, and tips to deliver high-quality enrichment to your users.

Getting Started — Product Implementation Guide