# Lacuna A2A Agent

**Canonical:** https://apis.io/apis/lacuna/lacuna-a2a-agent/  
**Provider:** Lacuna — https://apis.io/providers/lacuna/  
**Base URL:** https://www.lacuna.fm/a2a  
**Documentation:** https://www.lacuna.fm/docs/api

Lacuna A2A Agent is one of 4 APIs that [Lacuna](https://apis.io/providers/lacuna/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include A2A, AgentSkill, Generative AI, and AI Music. The published artifact set on APIs.io includes API documentation.

Agent-to-Agent JSON-RPC endpoint at https://www.lacuna.fm/a2a advertising the "Lacuna Music" agent card at /.well-known/agent-card.json (protocolVersion 0.3.0). One skill, generate_music, which accepts a style description or a structured data part, runs asynchronously, and returns audio artifacts via tasks/get. Auth is required on every method; anonymous calls return 401 authentication_error.

## Machine-readable artifacts (2)

- **AgentCard** — https://raw.githubusercontent.com/api-evangelist/lacuna/refs/heads/main/a2a/lacuna-a2a.yml
- **Documentation** — https://www.lacuna.fm/docs/api

## Other Lacuna APIs (3)

- [Lacuna MCP Server](https://apis.io/apis/lacuna/lacuna-mcp-server/)
- [Lacuna Lacuna Music API API](https://apis.io/apis/lacuna/lacuna-lacuna-music-api-api/)
- [Lacuna Music API](https://apis.io/apis/lacuna/lacuna-music-api/)

## Tags

A2A, AgentSkill, Generative AI, AI Music

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/lacuna/lacuna-a2a-agent/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/lacuna/.