Apollo.io

Sales & Revenue26 vendorsUpdated Nov 10, 202621 added, 2 removed apollo.io Subprocessor list

Apollo.io uses 26 subprocessors and infrastructure vendors, including AWS, Google Cloud and OpenAI, based on its public subprocessor list. Last checked Nov 10, 2026.

AI Stack · 8

Infrastructure · 18

AI Stack

Agent Frameworks

LangChain

42 companies

observability platform for AI products

Web Search

Exa

50 companies

AI-powered web search API

Model Serving

Baseten

81 companies

model inference infrastructure for AI-powered platform features

Foundation Models

Anthropic

669 companies

AI-generated project and communications recommendations

OpenAI

823 companies

AI-generated project and communications recommendations

View their stack →

Perplexity

28 companies

search engine functionality

Voice & Speech AI

AssemblyAI

67 companies

transforms call recordings into transcripts

Recall.ai

63 companies

call recording technology

Infrastructure

Cloud & Networking

AWS

1307 companies

secure cloud hosting of production files such as images and attachments

Azure

595 companies

hosting and AI provider

Cloudflare

615 companies

content delivery network and cloud cybersecurity services

Google Cloud

1081 companies

secure cloud hosting of production systems; business apps (email, calendar, contacts, file sharing) and AI-generated project and communications recommendations