> ## Documentation Index
> Fetch the complete documentation index at: https://docs.enrichley.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Apollo

> Use Enrichley as an email validation source inside Apollo's enrichment waterfall.

Apollo's email enrichment waterfall lets you stack a separate **validation source** on top of the data sources that find emails. Adding Enrichley as your validation source means every email Apollo surfaces is verified by Enrichley before it lands in your search results — keeping bounce rates low while you prospect.

## Why use Enrichley inside Apollo

* **Validate every email Apollo finds, automatically.** No second tool, no separate workflow.
* **Choose how you pay.** Use Apollo credits, or connect your Enrichley API key to use your Enrichley credits instead.
* **Save money.** Using your own Enrichley key is typically much cheaper per validation than Apollo's bundled credits — especially if you already have an Enrichley plan.

## Plan requirements

You can use Enrichley inside Apollo without an Enrichley account by paying with Apollo credits. To use your own API key (recommended for cost savings), you need any paid [Enrichley plan](https://app.enrichley.io/plans).

## Setup

<Steps>
  <Step title="Open a People Search in Apollo">
    Go to **Find people** (or any saved search) inside Apollo.
  </Step>

  <Step title="Open the Email enrichment settings">
    Hover the **Emails** column header and click the chart icon to open **Email enrichment**, then click the gear/settings icon to open the full configuration panel.
  </Step>

  <Step title="Add Enrichley as a Validation source">
    Scroll to **Validation source (optional)** and click **Add**. Select **Enrichley** from the provider list.
  </Step>

  <Step title="Choose how to pay">
    By default, Enrichley validations are billed to your Apollo credits. To use your Enrichley credits instead (cheaper), click **Connect with API key** next to Enrichley and paste your [Enrichley API key](https://app.enrichley.io/profile).
  </Step>

  <Step title="Save your settings">
    Click **Save**. Apollo will now route every email it finds through Enrichley before showing it as **Verified** in your results.
  </Step>
</Steps>

<Tip>
  Apollo lets you choose when validation kicks in: **A verified email is found** (highest credit usage, single validation per record) or **Any email is found** (lower credit usage, validates whatever Apollo's data sources return). Pick based on your accuracy vs. cost preference.
</Tip>

## Credit usage

When using your Enrichley API key inside Apollo, **1 Enrichley credit** is consumed per validated email. Apollo's data-source credits (1–3 per enriched record) still apply for finding the email.

## Get help

* **Apollo support:** see Apollo's documentation for the People Search and Enrichment Waterfall settings.
* **Enrichley support:** [support@enrichley.io](mailto:support@enrichley.io)
* **View Enrichley on Apollo:** [apollo.io/product/integrations/enrichley](https://www.apollo.io/product/integrations/enrichley)