# StackOne

**Canonical:** https://apis.io/providers/stackone/  
**Website:** https://www.stackone.com/  
**APIs profiled:** 33

StackOne is an AI-powered embedded integration platform as a service (iPaaS) designed to simplify and accelerate how SaaS vendors and AI agents connect with enterprise software. It combines a proprietary LLM-based agent with a real-time execution engine to automate and manage integrations no need for manual API wiring or data syncing.

## Kin Score — 46.7 / 100 (developing)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 46.7).

| Facet | Score |
|---|---|
| Discoverability | 63.0 |
| Contract Quality | 57.6 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 44.7 |
| Developer Ergonomics | 47.6 |
| Commercial Clarity | 47.4 |
| Access Clarity | 47.4 |

## Agent readiness — 24.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |

## Access

Paid · Self-serve signup — onboarding: self-serve, pricing: paid, trial: no (confidence: high).

## APIs (33)

- **StackOne Unified HRIS API** — StackOne Unified HRIS API provides a single, standardized interface to interact with multiple HR information system providers, normalizing data models for employee data, shifts,...
- **StackOne Unified ATS API** — StackOne Unified ATS API standardizes recruitment workflows across applicant tracking system providers, providing consistent data models for candidates, job postings, applicatio...
- **StackOne Unified CRM API** — StackOne Unified CRM API provides a standardized interface for managing customer contacts, accounts, and opportunities across multiple CRM platforms, ensuring a consistent view ...
- **StackOne Unified LMS API** — StackOne Unified LMS API standardizes learning management across platforms, streamlining course delivery, user progress tracking, content management, and assignments with consis...
- **StackOne Unified IAM API** — StackOne Unified IAM API provides a standardized interface for identity and access management across providers, with comprehensive user management, role and permission mapping, ...
- **StackOne Unified Documents API** — StackOne Unified Documents API provides a standardized interface for file and knowledge management across platforms like Google Drive, SharePoint, Dropbox, and Box, with consist...
- **StackOne Unified Marketing API** — StackOne Unified Marketing API standardizes campaign management across platforms, streamlining messages (SMS, Email, Push), campaigns, templates, and more with consistent endpoi...
- **StackOne Unified Ticketing API** — StackOne Unified Ticketing API standardizes support workflows across helpdesk platforms, with consistent data models for ticket management, comments, and status tracking.
- **StackOne Unified Messaging API** — StackOne Unified Messaging API standardizes communication workflows across platforms, with consistent data models for conversations, message delivery, and participant management.
- **StackOne Unified Screening API** — StackOne Unified Screening API standardizes candidate verification across platforms, streamlining background checks, assessments, and screening workflows with consistent data mo...
- **StackOne Platform API** — StackOne Platform API serves as the control plane for managing accounts, executing actions, controlling integrations, discovering connectors, monitoring and debugging via logs, ...
- **StackOne Accounts API** — The Accounts API from StackOne — 5 operation(s) for accounts.
- **StackOne Applications API** — The Applications API from StackOne — 4 operation(s) for applications.
- **StackOne Campaigns API** — The Campaigns API from StackOne — 2 operation(s) for campaigns.
- **StackOne Candidates API** — The Candidates API from StackOne — 4 operation(s) for candidates.
- **StackOne Companies API** — The Companies API from StackOne — 2 operation(s) for companies.
- **StackOne Connect Sessions API** — The Connect Sessions API from StackOne — 2 operation(s) for connect sessions.
- **StackOne Contacts API** — The Contacts API from StackOne — 2 operation(s) for contacts.
- **StackOne Departments API** — The Departments API from StackOne — 2 operation(s) for departments.
- **StackOne Employees API** — The Employees API from StackOne — 4 operation(s) for employees.
- **StackOne Employments API** — The Employments API from StackOne — 2 operation(s) for employments.
- **StackOne Interview Stages API** — The Interview Stages API from StackOne — 2 operation(s) for interview stages.
- **StackOne Interviews API** — The Interviews API from StackOne — 2 operation(s) for interviews.
- **StackOne Job Postings API** — The Job Postings API from StackOne — 2 operation(s) for job postings.
- **StackOne Jobs API** — The Jobs API from StackOne — 2 operation(s) for jobs.
- **StackOne Lists API** — The Lists API from StackOne — 2 operation(s) for lists.
- **StackOne Locations API** — The Locations API from StackOne — 4 operation(s) for locations.
- **StackOne Offers API** — The Offers API from StackOne — 2 operation(s) for offers.
- **StackOne Proxy API** — The Proxy API from StackOne — 1 operation(s) for proxy.
- **StackOne Rejected Reasons API** — The Rejected Reasons API from StackOne — 2 operation(s) for rejected reasons.
- **StackOne Templates API** — The Templates API from StackOne — 6 operation(s) for templates.
- **StackOne Time Off API** — The Time Off API from StackOne — 2 operation(s) for time off.
- **StackOne Users API** — The Users API from StackOne — 2 operation(s) for users.

## Agentic access (1)

- **Stackone Agentic Access** — 78 operations · 23 acting

## Security (3)

- **Stackone Authentication** — http · 1 scheme
- **Stackone Domain Security** — TLSv1.3 · HSTS · DMARC
- **Stackone Trust Center** — SOC 2, ISO 27001

## Plans (1)

- **Stackone Plans Pricing**

## Use cases (9)

- **AI Agents**
- **People Tech**
- **Recruitment**
- **Learning**
- **Assessment & Background Check**
- **Global Employment**
- **Benefits**
- **Fintech**
- **Security & Compliance**

## Tags

Integration, iPaaS

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/stackone/). Scores are computed from the provider's own public artifacts under a published rubric.