Apollo

Active

Apollo helps engineering teams accelerate delivery

Backed by Y Combinator · a16z (portfolio)

Summer 2011Founded 2012200 peopleSan Francisco, CA, USA; Remote

apollographql.com/ ↗LinkedIn ↗X ↗GitHub ↗Crunchbase ↗See on the Idea Map B2B momentum

About

Apollo GraphQL is the leader in open source and commercial GraphQL technologies. Apollo’s open-source GraphQL client, server, and gateway are downloaded more than 17M times per month and used in production by over 30% of the Fortune 500. Customers like Walmart, Expedia, Glassdoor, Audi, and PayPal, use the Apollo Graph Platform to unify their GraphQL efforts, collaborate on graph development, and safely iterate on their graphs. Based in San Francisco, Apollo is backed by Insight Partners, Andreessen Horowitz, Matrix Partners, Trinity Ventures, Y Combinator and individual investors.

From their website

as of Jun 7, 2026apollographql.com ↗

SaaSSubscription

Apollo provides an API orchestration platform and tooling to connect agents and apps to GraphQL and REST APIs, enabling enterprise-grade, declarative API management and AI-driven experiences. It focuses on GraphOS for orchestrating APIs, accelerating development, and improving performance across web, AI, and mobile apps.

Apollo GraphOS is described as an enterprise-grade, cloud-native API orchestration platform. It offers declarative GraphQL orchestration for REST APIs, a Kubernetes Operator (Apollo MCP Server), Studio development tools, a GraphOS Router for performance, and connectors to accelerate app development. The platform emphasizes connecting agents and apps to GraphQL and REST APIs, providing security, API observability, and performance insights, along with self-service and governance features for backend and frontend teams.

Who it’s for: Engineering teams and developer organizations building AI agents, web, and mobile apps that need to connect to GraphQL and REST APIs with enterprise-grade orchestration and observability.

Features

Declarative GraphQL orchestration for REST APIs
GraphOS Router for enterprise-grade runtime and performance
Studio development tools and Explorer for managing GraphQL operations
Security and access management for GraphOS and GraphQL APIs
API observability and performance insights with OTel integration
Kubernetes Operator for GraphOS Runtime (Apollo MCP Server)
Connector library and self-service for frontend/backend teams

Multiple mentions of enterprise-focused capabilities, developers tools, connectors, and platform components imply active product development and potential customer traction; no explicit funding or hiring counts are provided in the text.