# DISQO CoReg API

**Canonical:** https://apis.io/apis/disqo/disqo-coreg-api/  
**Provider:** DISQO — https://apis.io/providers/disqo/  
**Base URL:** https://coreg.us.sjapis.com/api  
**Documentation:** https://developer.disqo.com/docs/coreg-api/

DISQO CoReg API is one of 4 APIs that [DISQO](https://apis.io/providers/disqo/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Email Validation, CoReg, and Identity. The published artifact set on APIs.io includes API documentation and authentication docs.

Validate an email address for co-registration flows — checks address format, whether the address already exists in the DISQO system, and optionally runs an Email Oversight verification. Authenticated with an ApiKey authorization header.

## Machine-readable artifacts (2)

- **Documentation** — https://developer.disqo.com/docs/coreg-api/
- **Authentication** — https://raw.githubusercontent.com/api-evangelist/disqo/refs/heads/main/authentication/disqo-authentication.yml

## Other DISQO APIs (3)

- [DISQO Audience Projects API](https://apis.io/apis/disqo/disqo-audience-projects-api/)
- [DISQO Audience Feasibility API](https://apis.io/apis/disqo/disqo-audience-feasibility-api/)
- [DISQO Audience Custom Questions API](https://apis.io/apis/disqo/disqo-audience-custom-questions-api/)

## Tags

Email Validation, CoReg, Identity

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