# Shoonya annotation platform API (AI4Bharat, IIT Madras)

**Canonical:** https://apis.io/apis/iit-madras/shoonya/  
**Provider:** Indian Institute of Technology Madras — https://apis.io/providers/iit-madras/  
**Base URL:** https://backend.shoonya.ai4bharat.org/  
**Documentation:** https://backend.shoonya.ai4bharat.org/swagger/

Shoonya annotation platform API (AI4Bharat, IIT Madras) is one of 7 APIs that [Indian Institute of Technology Madras](https://apis.io/providers/iit-madras/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Artificial Intelligence, Data Annotation, Natural Language Processing, and Research. The published artifact set on APIs.io includes API documentation.

A Django REST Framework API operated by AI4Bharat, IIT Madras's language-AI centre, behind the Shoonya data-annotation platform. The API root returns a browsable JSON index of /task/, /annotation/ and /prediction/; each of those returns HTTP 401 {"detail":"Authentication credentials were not provided."}. A drf-yasg documentation surface is live at /swagger/ ("Shoonya API Docs") and /redoc, but the generated specification at /swagger.json, /swagger.yaml and /swagger/?format=openapi all return HTTP 500 — the docs render and the machine-readable contract does not. Recorded as an institution-operated API with no retrievable specification rather than padded with one we do not have.

## Machine-readable artifacts (2)

- **Documentation** — https://backend.shoonya.ai4bharat.org/swagger/
- **SourceCode** — https://github.com/AI4Bharat/Shoonya-Backend

## Other Indian Institute of Technology Madras APIs (6)

- [IIT Madras Shibboleth Identity Provider (INFED / eduGAIN)](https://apis.io/apis/iit-madras/idp/)
- [IIT Madras Moodle — LTI 1.3 platform and Moodle Web Services](https://apis.io/apis/iit-madras/moodle-lti/)
- [IIT Madras Online Degree community forum (Discourse tenant)](https://apis.io/apis/iit-madras/discourse/)
- [IIT Madras research profiles (IRINS tenant)](https://apis.io/apis/iit-madras/irins/)
- [Crossref membership (member 49493)](https://apis.io/apis/iit-madras/crossref/)
- [ROR registration (03v0r5n49)](https://apis.io/apis/iit-madras/ror/)

## Tags

Artificial Intelligence, Data Annotation, Natural Language Processing, Research

---

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