# 2O - Trust Infrastructure for the AI Agent Economy

> 2O is trust infrastructure for the AI agent economy. It provides identity verification (Know Your Agent), data validation, agent-to-agent escrow payments, audit trails, and ground truth data from human domain experts.

## API Endpoints

- [Verify API](https://www.2oapi.xyz/docs): Submit factual claims for human expert verification. POST /api/v1/verify
- [Instant Verify](https://www.2oapi.xyz/docs): AI-powered instant verification ($0.05, synchronous). POST /api/v1/verify/instant
- [Empathize API](https://www.2oapi.xyz/docs): Check if AI responses are emotionally appropriate. POST /api/v1/empathize
- [Witness API](https://www.2oapi.xyz/docs): Request real-world observations from local humans. POST /api/v1/witness
- [Trust Scores](https://www.2oapi.xyz/docs): Get agent trust scores based on verification history. GET /api/v1/agent/{id}/trust-score
- [Audit Trail](https://www.2oapi.xyz/docs): Log and retrieve agent actions for transparency. POST /api/v1/audit, GET /api/v1/audit
- [Escrow](https://www.2oapi.xyz/docs): Agent-to-agent escrow payments. POST /api/v1/escrow, GET /api/v1/escrow/{id}, POST /api/v1/escrow/{id}/complete

## MCP Server

- [MCP Endpoint](https://www.2oapi.xyz/api/mcp): 17 tools for AI agent integration. Works with Claude Desktop, Cursor, and any MCP client.
- [Server Card](https://www.2oapi.xyz/.well-known/mcp/server-card.json): Machine-readable MCP server metadata.

## Integration Examples

- [LangChain Example](https://github.com/russellshen1992/2o-example/tree/main/langchain): Python agent with human verification tool
- [CrewAI Example](https://github.com/russellshen1992/2o-example/tree/main/crewai): Multi-agent crew with fact-checking

## Getting Started

Register an agent at https://www.2oapi.xyz/register to get an API key with $5 free balance. Full documentation at https://www.2oapi.xyz/docs.