# 2O

**Canonical:** https://apis.io/providers/2oapi-xyz/  
**Website:** https://2oapi.xyz/  
**APIs profiled:** 2

When your AI agent needs verification, it calls 2O. Human experts respond with structured, quality‑scored results. Programmatically. Identity, reputation, payments, and accountability for autonomous AI systems. The trust layer agents need to transact, verify, and collaborate.

## Kin Score — 42.9 / 100 (developing)

Scored 2026-11-02 under rubric 0.26.0. Trend: flat (+0.0 from 42.9).

| Facet | Score |
|---|---|
| Discoverability | 56.7 |
| Contract Quality | 24.7 |
| Contract Governance | 22.0 |
| Operational Transparency | 21.1 |
| Developer Ergonomics | 57.1 |
| Access Clarity | 65.8 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 22.7 (matched via fallback).

## Agent readiness — 27.0 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | flavored |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Paid — onboarding: unknown, pricing: paid, trial: no (confidence: high).

## APIs (2)

- **2O API** — 2O provides a REST API for AI agents to request human verification of claims, facts, and real-world information.
- **2O API** — 2O API as documented publicly: 15 operations. Contract generated from the documentation by API Evangelist (2026-10-31); not the provider's own document.

## MCP servers (1)

- **2O MCP Server** — Remote MCP server at www.2oapi.xyz requiring an API key.

## Security (2)

- **2Oapi Xyz Authentication** — 1 scheme
- **2Oapi Xyz Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **2Oapi Xyz Plans Pricing**

## Tags

Artificial Intelligence, Verification, Human-in-the-Loop, Trust, Agents

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/2oapi-xyz/). Scores are computed from the provider's own public artifacts under a published rubric.