# Autonoma A2A Agent

**Canonical:** https://apis.io/apis/avalix-ai/autonoma-a2a-agent/  
**Provider:** Avalix — https://apis.io/providers/avalix-ai/  
**Base URL:** https://avalix.ai/autonoma/a2a/v1  
**Documentation:** https://avalix.ai/autonoma/agents

Autonoma A2A Agent is one of 3 APIs that [Avalix](https://apis.io/providers/avalix-ai/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include A2A, Agent-Native, and x402.

Agent2Agent (A2A) protocol surface: an agent card served from https://avalix.ai/.well-known/agent-card.json (and mirrored at /.well-known/agent.json's sibling path on www and under /autonoma/), protocolVersion 1.0.0, preferredTransport JSONRPC with an HTTP+JSON alternate, provider.organization Avalix, version 1.0.0, six skills — a free MCP/A2A/OpenAPI compatibility check, a free Trust Preview, fixed-price task quoting, and three live x402 products (structured-data validator $0.10, A2A agent-card linter $1.00, funded A2A opportunities feed $0.10, all Base USDC). The JSON-RPC endpoint at https://avalix.ai/autonoma/a2a/v1 is live (tasks/get returns A2A error -32001 Task not found for an unknown id); streaming, push notifications and the extended card are declared unsupported.

## Machine-readable artifacts (2)

- **AgentCard** — https://raw.githubusercontent.com/api-evangelist/avalix-ai/refs/heads/main/a2a/avalix-ai-a2a.yml
- **AgentCard** — https://avalix.ai/.well-known/agent-card.json

## Other Avalix APIs (2)

- [Autonoma Trust Gate API](https://apis.io/apis/avalix-ai/autonoma-trust-gate-api/)
- [Autonoma MCP Server](https://apis.io/apis/avalix-ai/autonoma-mcp-server/)

## Tags

A2A, Agent-Native, x402

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