Integration Infrastructure
for AI Agents
Agents reason. StackOne executes—10,000+ production-ready actions, 200+ connectors, and an AI Integration builder to extend to any API.

Powering thousands of integrations for leading companies like:
Getting Started
All the tools you need to build real-time integrations, at scale, with best-in-class security & privacy.
import { OpenAI } from "openai";
import { StackOneToolSet } from "@stackone/ai";
const openai = new OpenAI();
const toolset = new StackOneToolSet({
accountId: process.env.STACKONE_ACCOUNT_ID,
baseUrl: "https://api.stackone.com",
});
const tools = await toolset.fetchTools();
const response = await openai.chat.completions.create({
model: "gpt-5.2",
messages: [
{
role: "system",
content: "You are a helpful intranet assistant.",
},
{
role: "user",
content: "list up all employees",
},
],
tools: tools.toOpenAI(),
tool_choice: "auto",
});
console.log(response);Why an AI Agent Interface?
Achieve Precision in Every API Call.
Our AI interfaces empower your AI agents to execute actions in SaaS tools with greater accuracy than leading models to more than 200 enterprise connectors.
Less time tooling & debugging.
Eliminate the complexities of fragmented APIs and unreliable community MCP servers. Over 3,000 pre-configured AI actions via StackOne's AI Toolset or MCP servers.
Improve your product.
Using StackOne pre-mapped authentication & tools frees your engineering team to elevate your AI agents with best-in-class domain knowledge instead of focusing on tool declarations.
Features
AI-First Integrations.
Built with AI at the core, StackOne delivers deep, scalable integrations for agentic applications.
01
Interfaces
Integrate your agents with 240+ SaaS
Empower your agents to interact across an expansive range of SaaS and enterprise tools with straightforward multi-tenant support. No manual setup or deep API knowledge required and out-of-the-box compatibility with OpenAI, LangChain, CrewAI, MCP protocol, and many more.
Power RAG with data your Customers Care About
Access and index your customers' data from any connected platform to power retrieval-augmented generation workflows.

Customers
Customer Stories
IAM
How Drata Broadened User Access Review Integrations through StackOne
HRIS
Introist uses StackOne to Launch New Enterprise-Grade Integrations and Expand Automation for HR Teams
HRIS
Localyze uses StackOne to Scale HRIS integrations for their Global Mobility platform
ATS
How Popp Offers Deeply Integrated Recruitment Automation at Scale with StackOne
Learning
How getAbstract Slashed LMS Integration Time from 6 Weeks to 1 with StackOne
ATS
How Spotted Zebra Accelerated Enterprise-Grade ATS Integrations with StackOne
Learning
How Mindtools deployed enterprise LMS integrations in record time with StackOne
ATS
How Vizzy Won Two Global Enterprise Deals in Four Weeks with StackOne
Security & Privacy
Certified, Secure, Private.
StackOne is privacy-first. It's the only Universal Integration Layer that never stores your customers' data by default.
SOC2 II Certified
CCPA Compliant
GDPR Compliant
HIPAA Compliant
Put your AI agents to work.
All the tools you need to build and scale AI agents integrations, with best-in-class security & privacy.