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

# Apollo.io

> Apollo’s comprehensive solution provides the most accurate B2B contact data, built-in engagement tools, and intelligence features that help companies find and convert quality prospects.

## Supported syncing

| Sync Type | Description | Supported Sync Modes | API Reference |
| - | - | - | - |
| **Accounts** | Sync data from any source to an account | Upsert, Update, Insert | [Account docs](https://apolloio.github.io/apollo-api-docs/?shell#accounts-api) |
| **Contacts** | Sync data from any source to a contact | Upsert, Update, Insert | [Contact docs](https://apolloio.github.io/apollo-api-docs/?shell#contacts-api) |
| **Sequences** | Sync data from any source to update membership in Apollo sequences | Insert, Remove | [Sequence docs](https://apolloio.github.io/apollo-api-docs/?shell#sequences-api) |

For more information about sync modes, refer to the [sync modes](https://docs.hightouch.com/syncs/types-and-modes.md#sync-modes) docs.

## Connect to Apollo.io

Go to the [**Destinations** overview page](https://app.hightouch.com/destinations?from=docs) and click the **Add destination** button. Select **Apollo.io** and click **Continue**.
You can then authenticate Hightouch to Apollo.io with by entering an Apollo.io **API Key**.
Follow [these instructions](https://knowledge.apollo.io/hc/en-us/articles/4415734629773-Configure-Access-to-the-Apollo-REST-API) to create one.

> [!WARNING]
>
> Because Apollo.io API key scopes are based on endpoints and not permissions, you must create a master key to use the Hightouch integration.

## Sync configuration

Once you've set up your Apollo.io destination and have a [model](https://docs.hightouch.com/getting-started/concepts.md#models) to pull data from, you can set up your sync configuration to begin syncing data. Go to the [**Syncs** overview page](https://app.hightouch.com/syncs?from=docs) and click the **Add sync** button to begin. Then, select the relevant model and the Apollo.io destination you want to sync to.

### Syncing accounts

Account objects represent companies in Apollo.io and can be used as leads or opportunities.

#### Record matching

To match source rows to contacts in Apollo.io, you need to select a source column and corresponding Apollo.io field. You can match on any of the following Apollo.io fields:

* Name
* ID

#### Field mapping

You can sync columns from your source to Apollo.io default and custom fields. For custom picklist fields, you can send display values, and Hightouch remaps the value to Apollo.io's internal ID.

### Syncing contacts

Contact objects are people in Apollo.io and are used as the point-of-contact for leads and opportunities.

#### Record matching

To match source rows to contacts in Apollo.io, you need to select a source column and corresponding Apollo.io field. You can match on any of the following Apollo.io fields:

* Email (recommended)
* ID
* Name
* Title
* Company

#### Field mapping

You can sync columns from your source to Apollo.io default and custom fields. For custom picklist fields, you can send display values, and Hightouch remaps the value to Apollo.io's internal ID.

### Syncing sequences

Sequences are outreach campaigns with any number of sequential contact points and tasks that you can customize to personally engage your target audiences at scale.

#### Record matching

To match rows from your model to records in Apollo.io, you need to select the model column that contains values that match the **ID** Apollo.io field.

## Tips and troubleshooting

To see the exact API requests and responses from each sync run, use the [live debugger](https://docs.hightouch.com/syncs/debugger.md). To get notified by Slack, PagerDuty, SMS, or email when a sync fails, set up [sync alerts](https://docs.hightouch.com/syncs/alerting.md). If you run into an issue this page doesn't cover, [contact support](#pylon-chat).