---
title: "Introspect existing token"
method: POST
path: "/token/introspection"
tags: ["Authentication and Authorization"]
---

# Introspect existing token

`POST /token/introspection`

Introspect existing authentication/authorization token

## Response `200`

OK

- IntrospectionResponse
  - `active` boolean — Validity of token being introspected
  - `scope` string — Access scope of token being introspected
  - `client_id` string — API client ID of the subject
  - `token_type` string — oAuth token type
  - `environment` string — Integration environment type
  - `identity_type` string — Subject identity type
  - `encompass_instance_id` string — Integration environment type
  - `encompass_client_id` string — Encompass Client/Partner identifier

## Other responses

- `400` — Bad Request
- `401` — Unauthorized

---

[API](https://skmtc.dev/elliemae/apis/oauth2-restful-api.md) · [All operations](https://skmtc.dev/elliemae/apis/oauth2-restful-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/elliemae/oauth2-restful-api/revisions/f1196f5edd58/schema)