Overview
A guide to the One API fundamentals
One provides powerful APIs that enable you to build, deploy, and scale AI agents with seamless access to over 250+ integrations and tools. Connect your AI to QuickBooks, Salesforce, HubSpot, Shopify, and more leading platforms through our Passthrough API to unlock real-time data and automation capabilities.
Passthrough API
The Passthrough API provides a single endpoint to access 25,000+ actions across all integrations.
- Execute actions with QuickBooks, Salesforce, HubSpot, Shopify and more
- Built-in authentication and connection management for all integrations
- AI SDK support for LLM capabilities (Vercel AI SDK, LangChain, MCP, etc.)
Core API
Manage your integrations, connections, and credentials.
- Connectors -- browse all available platforms and their capabilities
- Actions -- discover and search available operations for each platform
- Connections -- manage authenticated links to third-party accounts
- Vault -- read-only view of connection metadata for dashboards and monitoring
AI Agents and Skills
Build and manage AI agents with custom configurations, tools, and reusable prompt templates.
- Agents -- create agents with models, tools, memory, and triggers
- Skills -- reusable prompt templates that can be attached to agents
Webhooks
Receive real-time events from connected platforms via relay endpoints and subscriptions.
- Relay -- receive and forward inbound webhooks from external platforms
- Subscriptions -- subscribe to event types and get notified at your URL
- Events -- browse and debug received webhook payloads