# Citizenship Descent Checker Guide API

**Canonical:** https://apis.io/apis/citizenshipdescentchecker-com/citizenshipdescentchecker-com-guide-api/  
**Provider:** Citizenship Descent Checker — https://apis.io/providers/citizenshipdescentchecker-com/  
**Base URL:** https://citizenshipdescentchecker.com  
**Documentation:** https://citizenshipdescentchecker.com/

Citizenship Descent Checker Guide API is one of 3 APIs that [Citizenship Descent Checker](https://apis.io/providers/citizenshipdescentchecker-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include guide. The published artifact set on APIs.io includes an OpenAPI specification.

## Operations (3)

| Method | Path | Summary |
|---|---|---|
| POST | `/mcp/tools/checker_start` | Start: Citizenship by descent checker |
| POST | `/mcp/tools/checker_answer` | Answer a question, get the next step |
| POST | `/mcp/tools/checker_tree` | The whole decision tree |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/citizenshipdescentchecker-com/openapi/citizenshipdescentchecker-com-guide-api-openapi.yml

## Other Citizenship Descent Checker APIs (2)

- [Citizenship Descent Checker Enquiry API](https://apis.io/apis/citizenshipdescentchecker-com/citizenshipdescentchecker-com-enquiry-api/)
- [Citizenship Descent Checker MCP API](https://apis.io/apis/citizenshipdescentchecker-com/citizenshipdescentchecker-com-mcp-api/)

## Tags

guide

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