# DomainCanary Free API

**Canonical:** https://apis.io/apis/domaincanary-com/domaincanary-free-api/  
**Provider:** DomainCanary — https://apis.io/providers/domaincanary-com/  
**Base URL:** https://domaincanary.com  
**Documentation:** https://domaincanary.com/guides

DomainCanary Free API is one of 3 APIs that [DomainCanary](https://apis.io/providers/domaincanary-com/) publishes on the [APIs.io](https://apis.io/) network.

Check a domain's email authentication and test SPF changes, with no key.

## Machine-readable artifacts (1)

- **APIsJSON** — https://artifacts.apis.io/domaincanary-com/apis.yml

## Other DomainCanary APIs (2)

- [DomainCanary C API](https://apis.io/apis/domaincanary-com/domaincanary-com-c-api/)
- [DomainCanary Spf Preflight API](https://apis.io/apis/domaincanary-com/domaincanary-com-spf-preflight-api/)

---

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