# CN Evidence Free API

**Canonical:** https://apis.io/apis/cnevidence-com/cnevidence-com-free-api/  
**Provider:** CN Evidence — https://apis.io/providers/cnevidence-com/  
**Base URL:** https://api.cnevidence.com  
**Documentation:** https://yangchunhong3000.github.io/cn-evidence-public-docs/

CN Evidence Free API is one of 3 APIs that [CN Evidence](https://apis.io/providers/cnevidence-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Free. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

The Free API from CN Evidence — 9 operation(s) for free.

## Operations (9)

| Method | Path | Summary |
|---|---|---|
| POST | `/free/cn/identity/preflight` | Free input-format preparation, not entity resolution |
| POST | `/free/cn/payment/recover` | Free order status and optional 24h report recovery |
| GET | `/free/cn/reports` | Private paid-analysis delivery requirements |
| POST | `/free/cn/reports/compose` | Compose an unreviewed analysis from already settled, bound source orders |
| GET | `/free/cn/reports/supplement/availability` | Bounded gift-only qualifications supplement availability |
| POST | `/free/cn/reports/supplement` | Opt in to one QCC qualifications supplement for existing settled source orders |
| GET | `/free/cn/products` | Versioned product prices and current availability; no provider call |
| POST | `/free/cn/products/recover` | Recover original paid product without extra calls; HTML only for screening… |
| GET | `/free/cn/tools` | Local data-tool schemas and prices; no upstream query |

## Machine-readable artifacts (2)

- **OpenAPI** — https://artifacts.apis.io/cnevidence-com/openapi/cnevidence-com-free-api-openapi.yml
- **Documentation** — https://yangchunhong3000.github.io/cn-evidence-public-docs/

## Other CN Evidence APIs (2)

- [CN Evidence MCP Server](https://apis.io/apis/cnevidence-com/mcp-server/)
- [CN Evidence X402 API](https://apis.io/apis/cnevidence-com/cnevidence-com-x402-api/)

## Tags

Free

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