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+openapi: 3.0.1
+info:
+  title: Data Repository Service
+  description: https://github.com/ga4gh/data-repository-service-schemas
+  termsOfService: https://www.ga4gh.org/terms-and-conditions/
+  contact:
+    name: GA4GH Cloud Work Stream
+    email: ga4gh-cloud@ga4gh.org
+  license:
+    name: Apache 2.0
+    url: https://raw.githubusercontent.com/ga4gh/data-repository-service-schemas/master/LICENSE
+  version: 0.1.0
+servers:
+- url: /ga4gh/drs/v1
+security:
+- {}
+- authToken: []
+tags:
+- name: DataRepositoryService
+paths:
+  /service-info:
+    get:
+      tags:
+      - DataRepositoryService
+      summary: Get information about this implementation.
+      description: May return service version and other information.
+      operationId: GetServiceInfo
+      responses:
+        200:
+          description: Service information returned successfully
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/ServiceInfo'
+      x-swagger-router-controller: ga4gh.drs.server
+  /bundles/{bundle_id}:
+    get:
+      tags:
+      - DataRepositoryService
+      summary: Get info about a Data Bundle.
+      description: Returns bundle metadata, and a list of ids that can be used to
+        fetch bundle contents.
+      operationId: GetBundle
+      parameters:
+      - name: bundle_id
+        in: path
+        required: true
+        schema:
+          type: string
+      responses:
+        200:
+          description: The Data Bundle was found successfully.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Bundle'
+        400:
+          description: The request is malformed.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        401:
+          description: The request is unauthorized.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        403:
+          description: The requester is not authorized to perform this action.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        404:
+          description: The requested Data Bundle wasn't found.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        500:
+          description: An unexpected error occurred.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+      x-swagger-router-controller: ga4gh.drs.server
+  /objects/{object_id}:
+    get:
+      tags:
+      - DataRepositoryService
+      summary: Get info about a Data Object.
+      description: Returns object metadata, and a list of access methods that can
+        be used to fetch object bytes.
+      operationId: GetObject
+      parameters:
+      - name: object_id
+        in: path
+        required: true
+        schema:
+          type: string
+      responses:
+        200:
+          description: The Data Object was found successfully.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Object'
+        400:
+          description: The request is malformed.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        401:
+          description: The request is unauthorized.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        403:
+          description: The requester is not authorized to perform this action.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        404:
+          description: The requested Data Object wasn't found
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        500:
+          description: An unexpected error occurred.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+      x-swagger-router-controller: ga4gh.drs.server
+  /objects/{object_id}/access/{access_id}:
+    get:
+      tags:
+      - DataRepositoryService
+      summary: Get a URL for fetching bytes.
+      description: |-
+        Returns a URL that can be used to fetch the object bytes.
+
+        This method only needs to be called when using an `AccessMethod` that contains an `access_id` (e.g., for servers that use signed URLs for fetching object bytes).
+      operationId: GetAccessURL
+      parameters:
+      - name: object_id
+        in: path
+        description: An `id` of a Data Object
+        required: true
+        schema:
+          type: string
+      - name: access_id
+        in: path
+        description: An `access_id` from the `access_methods` list of a Data Object
+        required: true
+        schema:
+          type: string
+      responses:
+        200:
+          description: The access URL was found successfully.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/AccessURL'
+        400:
+          description: The request is malformed.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        401:
+          description: The request is unauthorized.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        403:
+          description: The requester is not authorized to perform this action.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        404:
+          description: The requested access URL wasn't found
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+        500:
+          description: An unexpected error occurred.
+          content:
+            application/json:
+              schema:
+                $ref: '#/components/schemas/Error'
+      x-swagger-router-controller: ga4gh.drs.server
+components:
+  schemas:
+    ServiceInfo:
+      required:
+      - version
+      type: object
+      properties:
+        version:
+          type: string
+          description: Service version
+        title:
+          type: string
+          description: Service name
+        description:
+          type: string
+          description: Service description
+        contact:
+          type: object
+          properties: {}
+          description: Maintainer contact info
+        license:
+          type: object
+          properties: {}
+          description: License information for the exposed API
+      description: Useful information about the running service.
+    AccessMethod:
+      required:
+      - type
+      type: object
+      properties:
+        type:
+          type: string
+          description: Type of the access method.
+          enum:
+          - s3
+          - gs
+          - ftp
+          - gsiftp
+          - globus
+          - htsget
+          - https
+          - file
+        access_url:
+          $ref: '#/components/schemas/AccessURL'
+        access_id:
+          type: string
+          description: An arbitrary string to be passed to the `/access` method to
+            get an `AccessURL`. This string must be unique per object. Note that at
+            least one of `access_url` and `access_id` must be provided.
+        region:
+          type: string
+          description: Name of the region in the cloud service provider that the object
+            belongs to.
+          example: us-east-1
+    Checksum:
+      required:
+      - checksum
+      type: object
+      properties:
+        checksum:
+          type: string
+          description: The hex-string encoded checksum for the data
+        type:
+          type: string
+          description: |-
+            The digest method used to create the checksum. If left unspecified md5
+            will be assumed.
+
+            possible values:
+             - md5               # most blob stores provide a checksum using this
+             - etag              # multipart uploads to blob stores
+             - sha256
+             - sha512
+    Bundle:
+      required:
+      - checksums
+      - contents
+      - created
+      - id
+      - size
+      type: object
+      properties:
+        id:
+          type: string
+          description: An identifier unique to this Data Bundle.
+        name:
+          type: string
+          description: A string that can be used to name a Data Bundle.
+        size:
+          type: string
+          description: The cumulative size, in bytes, of all Data Objects and Bundles
+            listed in the `contents` field.
+          format: int64
+        created:
+          type: string
+          description: Timestamp of Bundle creation in RFC3339.
+          format: date-time
+        updated:
+          type: string
+          description: Timestamp of Bundle update in RFC3339, identical to create
+            timestamp in systems that do not support updates.
+          format: date-time
+        version:
+          type: string
+          description: A string representing a version. (Some systems may use checksum,
+            a RFC3339 timestamp, or an incrementing version number.)
+        checksums:
+          type: array
+          description: |-
+            The checksum of the Data Bundle. At least one checksum must be provided.
+
+            The Data Bundle checksum is computed over a sorted concatenation of all
+            the checksums (names not included) within the top-level 'contents' of the
+            Bundle (not recursive). The list of Data Object or Bundle checksums are
+            sorted alphabetically (hex-code) before concatenation and a further checksum
+            is performed on the concatenated checksum value.
+            Example below:
+            Data Ojects:
+              md5(DO1) = 72794b6d30bc86d92e40a1aa65c880b8
+              md5(DO2) = 5e089d29a18954e68a78ee6a3c6edabd
+            Data Bundle:
+            DB1 = md5( concat( sort( md5(DO1), md5(DO2) ) ) )
+                = md5( concat( sort( 72794b6d30bc86d92e40a1aa65c880b8, 5e089d29a18954e68a78ee6a3c6edabd ) ) )
+                = md5( concat( 5e089d29a18954e68a78ee6a3c6edabd, 72794b6d30bc86d92e40a1aa65c880b8 ) )
+                = md5( 5e089d29a18954e68a78ee6a3c6edabd72794b6d30bc86d92e40a1aa65c880b8 )
+                = f7a29a0422e7d870b10839ad6c985079
+          items:
+            $ref: '#/components/schemas/Checksum'
+        description:
+          type: string
+          description: A human readable description of the Data Bundle.
+        aliases:
+          type: array
+          description: A list of strings that can be used to find other metadata about
+            this Data Bundle from external metadata sources. These aliases can be
+            used to represent the Data Bundle's secondary accession numbers or external
+            GUIDs.
+          items:
+            type: string
+        contents:
+          type: array
+          description: The list of Data Objects and Data Bundles contained by this
+            Data Bundle.
+          items:
+            $ref: '#/components/schemas/BundleObject'
+    BundleObject:
+      required:
+      - id
+      - name
+      - type
+      type: object
+      properties:
+        name:
+          type: string
+          description: A name declared by the Bundle author that must be used when
+            materialising the associated data object, overriding any name directly
+            associated with the object itself. This string MUST NOT contain any slashes.
+        id:
+          type: string
+          description: A DRS identifier of a Data Object or a nested Data Bundle.
+        drs_uri:
+          type: array
+          description: A list of full DRS identifier URI paths that may be used obtain
+            the Data Object or Data Bundle. These URIs may be external to this DRS
+            instance.
+          example: drs://example.com/ga4gh/drs/v1/objects/{object_id}
+          items:
+            type: string
+        type:
+          type: string
+          description: The type of content being referenced. BundleObject of type
+            bundle will need to be recursed further.
+          enum:
+          - object
+          - bundle
+    Error:
+      type: object
+      properties:
+        msg:
+          type: string
+          description: A detailed error message.
+        status_code:
+          type: integer
+          description: The integer representing the HTTP status code (e.g. 200, 404).
+      description: An object that can optionally include information about the error.
+    Object:
+      required:
+      - access_methods
+      - checksums
+      - created
+      - id
+      - size
+      type: object
+      properties:
+        id:
+          type: string
+          description: An identifier unique to this Data Object.
+        name:
+          type: string
+          description: A string that can be used to name a Data Object.
+        size:
+          type: integer
+          description: The object size in bytes.
+          format: int64
+        created:
+          type: string
+          description: Timestamp of object creation in RFC3339.
+          format: date-time
+        updated:
+          type: string
+          description: Timestamp of Object update in RFC3339, identical to create
+            timestamp in systems that do not support updates.
+          format: date-time
+        version:
+          type: string
+          description: A string representing a version.
+        mime_type:
+          type: string
+          description: A string providing the mime-type of the Data Object.
+          example: application/json
+        checksums:
+          type: array
+          description: The checksum of the Data Object. At least one checksum must
+            be provided.
+          items:
+            $ref: '#/components/schemas/Checksum'
+        access_methods:
+          minItems: 1
+          type: array
+          description: The list of access methods that can be used to fetch the Data
+            Object.
+          items:
+            $ref: '#/components/schemas/AccessMethod'
+        description:
+          type: string
+          description: A human readable description of the Data Object.
+        aliases:
+          type: array
+          description: A list of strings that can be used to find other metadata about
+            this Data Object from external metadata sources. These aliases can be
+            used to represent the Data Object's secondary accession numbers or external
+            GUIDs.
+          items:
+            type: string
+    AccessURL:
+      required:
+      - url
+      type: object
+      properties:
+        url:
+          type: string
+          description: A fully resolvable URL that can be used to fetch the actual
+            object bytes.
+        headers:
+          type: array
+          description: An optional list of headers to include in the HTTP request
+            to `url`. These headers can be used to provide auth tokens required to
+            fetch the object bytes.
+          example:
+            Authorization: Basic Z2E0Z2g6ZHJz
+          items:
+            type: string
+  securitySchemes:
+    authToken:
+      type: apiKey
+      description: |
+        A valid authorization token must be passed in the 'Authorization' header.
+        Example syntax for using 'Authorization' header :
+          Bearer: token_string
+      name: Authorization
+      in: header