find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/university-of-washington-crn-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Token Authentication Web Service REST API V2 Crn API
  description: This is the API specification for V2 of the UW-IT Token Authentication Rest API. Note that there are header and querystring paramemters not documentered here (see also https://wiki.cac.washington.edu/x/GY6kB). The -type and -pretty querystring parameters are included here for GET requests since they make testing much easier.
  version: 2.0.0
servers:
- url: https://taws.s.uw.edu:716/token/v2
tags:
- name: Crn
paths:
  /crn/{user}:
    get:
      tags:
      - Crn
      summary: The Crn endpoint returns the user's crn list
      description: The Crn endpoint returns the user's crn list for use in subsequent Preauth and Auth calls.
      parameters:
      - name: user
        in: path
        description: User identifier.  Typically a UWNetID
        required: true
        schema:
          type: string
          format: string
      - name: -type
        in: query
        description: Data return type
        schema:
          type: string
          format: string
          default: json
      - name: -pretty
        in: query
        description: Request pretty-printed data for humans
        schema:
          type: boolean
          default: true
      responses:
        '200':
          description: An array of Crn objects
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/CrnGetResult'
        '400':
          description: Invalid user
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: User did not match any records
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '405':
          description: Method not allowed
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '406':
          description: Content type not supported
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: Internal Server Error
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '501':
          description: Not implemented
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '503':
          description: Service Unavailable
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
      operationId: getCrnByUser
      x-operation-id-source: derived
    put:
      tags:
      - Crn
      summary: The Crn endpoint sets the user's crn list
      description: The Crn endpoint sets the user's crn list or can rename the user identifier.
      parameters:
      - name: user
        in: path
        description: User identifier.  Typically a UWNetID
        required: true
        schema:
          type: string
          format: string
      - name: crns
        in: query
        description: User's crn list.
        schema:
          type: string
          format: string
      - name: new_user
        in: query
        description: User's new identifier.
        schema:
          type: string
          format: string
      - name: -type
        in: query
        description: Data return type
        schema:
          type: string
          format: string
          default: json
      - name: -pretty
        in: query
        description: Request pretty-printed data for humans
        schema:
          type: boolean
          default: true
      responses:
        '200':
          description: Success
          content: {}
        '400':
          description: Invalid user
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: User did not match any records
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '405':
          description: Method not allowed
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '406':
          description: Content type not supported
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: Internal Server Error
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '501':
          description: Not implemented
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '503':
          description: Service Unavailable
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
      operationId: putCrnByUser
      x-operation-id-source: derived
    delete:
      tags:
      - Crn
      summary: The Crn endpoint deletes the user's crn list
      description: The Crn endpoint deletes the user's crn list.
      parameters:
      - name: user
        in: path
        description: User identifier.  Typically a UWNetID
        required: true
        schema:
          type: string
          format: string
      - name: -type
        in: query
        description: Data return type
        schema:
          type: string
          format: string
          default: json
      - name: -pretty
        in: query
        description: Request pretty-printed data for humans
        schema:
          type: boolean
          default: true
      responses:
        '200':
          description: Success
          content: {}
        '400':
          description: Invalid user
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: User did not match any records
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '405':
          description: Method not allowed
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '406':
          description: Content type not supported
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: Internal Server Error
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '501':
          description: Not implemented
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
        '503':
          description: Service Unavailable
          content:
            application/json; charset=UTF-8; v=2.0:
              schema:
                $ref: '#/components/schemas/Error'
      operationId: deleteCrnByUser
      x-operation-id-source: derived
components:
  schemas:
    CrnGetResult:
      type: object
      properties:
        crn:
          type: array
          description: Array of crn objects matching search parameter
          items:
            type: object
            properties:
              user:
                type: string
                description: Unique identifier for a person.
              crns:
                type: string
                description: List of crn's for 2fa authentication
    Error:
      type: object
      properties:
        error:
          type: object
          properties:
            code:
              type: integer
              format: int32
            message:
              type: string
externalDocs:
  description: UW-IT Token Authentication Web Service (TAWS) V2 API documentation
  url: https://iam-tools.u.washington.edu/apis/tawsv2/
x-operator: institution
x-provenance:
  method: searched
  source: https://iam-tools.u.washington.edu/apis/tawsv2/tawsv2.yaml
  generated: '2026-08-30'
  note: Fetched verbatim from the UW-IT IAM tools API documentation host on 2026-08-30 (HTTP 200). servers[] resolve to University of Washington registrable domains (uw.edu / washington.edu), so the operator is the institution, not a vendor. Only externalDocs, x-operator and x-provenance were added; info and paths are as published.
  pristine_copy: openapi/_original/university-of-washington-token-authentication-web-service-v2.yaml