Tool Use
Also known as: Function Calling, API Integration
The ability of AI agents to interact with external systems, APIs, and applications to complete tasks. This capability is implemented by tools like Apollo.io to enhance automation and efficiency.
Context
Tool use enables AI agents to go beyond text generation to actually perform actions. This includes accessing databases, calling APIs, controlling browsers, and executing code.
Examples
- 1An AI agent using a CRM API to update contact records
- 2A coding agent running tests in a development environment
- 3A research agent searching the web and extracting data
Implementing Agents
AI agents that implement or utilize Tool Use:
Apollo.io
End-to-end B2B sales intelligence and engagement platform with 265M+ contacts, AI-powered research, and multi-channel outreach automation
Supports Tool Use capabilities
Artisan (Ava)
AI BDR agent that automates 80% of outbound tasks including lead generation, personalized outreach, and email deliverability management
Supports Tool Use capabilities
Relevance AI
AI agent platform for building custom sales and marketing automation workflows with pre-built templates and no-code tools
Supports Tool Use capabilities
Outreach
Enterprise sales engagement platform with AI-powered sequence optimization, conversation intelligence, and revenue forecasting
Supports Tool Use capabilities
Salesloft
Revenue workflow platform with AI-driven cadences, conversation intelligence, and deal management for B2B sales teams
Supports Tool Use capabilities