# 2O API

**Canonical:** https://apis.io/apis/2oapi-xyz/2oapi-xyz-api/  
**Provider:** 2O — https://apis.io/providers/2oapi-xyz/  
**Documentation:** https://www.2oapi.xyz/api/mcp

2O API is one of 2 APIs that [2O](https://apis.io/providers/2oapi-xyz/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. This API exposes 6 JSON Schema definitions. The published artifact set on APIs.io includes an OpenAPI specification and 6 JSON Schemas.

2O API as documented publicly: 15 operations. Contract generated from the documentation by API Evangelist (2026-10-31); not the provider's own document.

## Operations (15)

| Method | Path | Summary |
|---|---|---|
| POST | `/api/v1` | POST /api/v1 |
| GET | `/api/v1/agent/balance` | Check the remaining verification balance for your agent. |
| GET | `/api/v1/domains` | List available verification domains. |
| POST | `/api/v1/verify` | POST /api/v1/verify |
| GET | `/openclaw-skill/SKILL.md` | Download the OpenClaw skill file for 2O verification. |
| GET | `/openclaw-skill/_meta.json` | GET /openclaw-skill/_meta.json |
| GET | `/v1/agent/balance` | Check your agent's current balance, total spent, and request count. |
| GET | `/v1/agent/history` | Get a paginated list of your verification requests. |
| POST | `/v1/agents/register` | Register a new AI agent. |
| GET | `/v1/domains` | List all active verification domains. |
| POST | `/v1/empathize` | Submit a draft AI response for human empathy review. |
| POST | `/v1/verify` | Submit a claim for human verification. |
| GET | `/v1/verify/{id}` | Check the current status of a verification request. |
| GET | `/v1/verify/{id}/result` | Get the full verification result including verdict, confidence score, explanation, and evidence. |
| POST | `/v1/witness` | Request a human observer to report on real-world conditions at a specific location. |

## Machine-readable artifacts (7)

- **OpenAPI** — https://artifacts.apis.io/2oapi-xyz/openapi/_ae-authored/2oapi-xyz-openapi-generated.yml
- **JSONSchema** — https://artifacts.apis.io/2oapi-xyz/json-schema/2oapi-xyz-post-v1-verify-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/2oapi-xyz/json-schema/2oapi-xyz-get-v1-verify-id-result-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/2oapi-xyz/json-schema/2oapi-xyz-post-api-v1-verify-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/2oapi-xyz/json-schema/2oapi-xyz-get-v1-verify-id-response-schema.json
- **JSONSchema** — https://artifacts.apis.io/2oapi-xyz/json-schema/2oapi-xyz-post-v1-empathize-request-schema.json
- **JSONSchema** — https://artifacts.apis.io/2oapi-xyz/json-schema/2oapi-xyz-post-v1-witness-request-schema.json

## Other 2O APIs (1)

- [2O API](https://apis.io/apis/2oapi-xyz/2o-api/)

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/2oapi-xyz/2oapi-xyz-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/2oapi-xyz/.