Apollo

The Apollo.io integration lets you programmatically search for prospects, enrich contact data, manage sequences, and automate sales workflows directly from Helios.

Authentication

Method	Type	Description
Helios OAuth App (Recommended)	OAuth 2.0	User-specific access with enhanced security
API Key	Server-to-Server	Simple authentication with your account API key
BYO OAuth App	OAuth 2.0	Custom OAuth app for enterprise requirements

✅ Helios OAuth App (Recommended)

The Helios OAuth App provides user-specific access with enhanced security.

API Key

The simplest way to connect Apollo.io is using your API key for server-to-server authentication, if you already have one.

Setup Steps

Go to your Apollo.io account
Go to Settings → Integrations & API → API
Copy your API key
Paste the API key into Helios and save your integration

Common Scopes

read:contacts - Read contacts
write:contacts - Write contacts
read:sequences - Read sequences
write:sequences - Write sequences

BYO OAuth App

Create your own Apollo.io OAuth application for enterprise requirements or custom scope management.

Learn more about creating Apollo.io apps in the Apollo.io documentation.

Functionality

The Apollo.io integration lets your workflows search for prospects, enrich contact data, manage email sequences, and automate sales processes without writing custom code.

Category	Features
Prospecting & Search	People Search, Company Search, Contact Enrichment, Email Finder, Phone Number Discovery
Contact Management	Contact Creation, Contact Updates, Contact Lists, Data Verification, Contact Notes
Email Sequences & Outreach	Sequence Management, Sequence Enrollment, Email Sending, Template Management, Bounce Handling
Analytics & Reporting	Sequence Analytics, Contact Engagement, Campaign Performance, Data Export
Contact Enrichment	Professional Information, Company Data, Contact Details, Technographics, Intent Data
Company Enrichment	Firmographics, Financial Data, Technology Stack, Employee Information, News and Events