# Agent2Agent (A2A)

**Canonical:** https://apis.io/apis/agentic-ai-foundation/agent2agent/  
**Provider:** Agentic AI Foundation — https://apis.io/providers/agentic-ai-foundation/  
**Documentation:** https://a2a-protocol.org/latest/

Agent2Agent (A2A) is one of 6 APIs that [Agentic AI Foundation](https://apis.io/providers/agentic-ai-foundation/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include A2A, Agent Interoperability, Open Standard, and Agent Discovery. The published artifact set on APIs.io includes API documentation and a GitHub repository.

Agent2Agent (A2A) is an open protocol that lets AI agents built by different organisations, on different frameworks, discover each other's capabilities, communicate, delegate tasks and collaborate on multi-step work without sharing internal implementations. Discovery happens through an agent card published at /.well-known/agent-card.json. Hosted by AAIF.

## Machine-readable artifacts (3)

- **Documentation** — https://a2a-protocol.org/latest/
- **GitHubRepository** — https://github.com/a2aproject/A2A
- **LLMsTxt** — https://a2a-protocol.org/llms.txt

## Other Agentic AI Foundation APIs (5)

- [Model Context Protocol (MCP)](https://apis.io/apis/agentic-ai-foundation/model-context-protocol/)
- [Official MCP Registry API](https://apis.io/apis/agentic-ai-foundation/mcp-registry/)
- [Goose AI Agent](https://apis.io/apis/agentic-ai-foundation/goose/)
- [AGENTS.md](https://apis.io/apis/agentic-ai-foundation/agents-md/)
- [agentgateway](https://apis.io/apis/agentic-ai-foundation/agentgateway/)

## Tags

A2A, Agent Interoperability, Open Standard, Agent Discovery

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/agentic-ai-foundation/agent2agent/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/agentic-ai-foundation/.