StackOne is a unified integration platform that enables SaaS companies to connect with dozens of third-party apps through a single, standardized API. Targeted at developers and product teams building software that depends on external services—such as CRMs, ERPs, marketing tools, and help desks—StackOne simplifies integration workflows by abstracting away the complexity of building and maintaining individual connectors.

Instead of creating and supporting multiple one-off integrations, SaaS teams can use StackOne to offer a wide array of integrations via a single interface, accelerating time-to-market and reducing engineering overhead.

Key benefits include:

• Unified API for integrating with many third-party platforms

• Automatic handling of authentication, rate limits, and API changes

• Faster rollout of new integrations without custom code

What are the main features of StackOne?

Standardized API for multiple services

StackOne provides a single, consistent API schema that connects to multiple categories of tools.

• Supports integrations with CRMs, ERPs, accounting tools, HRIS, help desks, and more

• Abstracts API differences across providers (e.g., Salesforce vs. HubSpot)

• Developers interact with one predictable API instead of dozens

Prebuilt connectors with maintenance handled

StackOne includes maintained integrations with commonly used software platforms.

• Prebuilt connectors for apps like QuickBooks, Zendesk, NetSuite, Workday, and others

• StackOne handles versioning, endpoint changes, and data normalization

• Minimizes support burden on internal engineering teams

OAuth and credential management

Authentication is handled centrally through built-in OAuth flows and secure credential storage.

• Secure authorization across platforms without extra setup

• Centralized token refresh and credential rotation

• Reduces compliance and security risks for product teams

Change detection and event-driven sync

The platform offers webhook support and polling mechanisms to keep data in sync.

• Real-time or near real-time data updates from integrated systems

• Efficient change tracking reduces data latency and sync errors

• Useful for building live dashboards, workflows, or usage reporting

Scalable and developer-friendly

StackOne is built with modern development workflows in mind.

• Detailed documentation and SDKs

• Sandbox environments for testing integrations

• Analytics and logs for debugging and monitoring usage

Why choose StackOne?

• Single API for many services: reduces the need for custom integrations

• Fast integration delivery: prebuilt connectors accelerate product development

• Automatic maintenance: offloads complexity of managing third-party APIs

• Secure and compliant: built-in auth flows and credential handling

• Developer-first experience: robust tools, docs, and support for rapid iteration