diff --git a/api/v1/swagger/definitions/sip2_institution.yaml b/api/v1/swagger/definitions/sip2_institution.yaml
new file mode 100644
index 0000000000..411080bd35
--- /dev/null
+++ b/api/v1/swagger/definitions/sip2_institution.yaml
@@ -0,0 +1,39 @@
+---
+type: object
+properties:
+  sip_institution_id:
+    type: integer
+    description: unique identifier
+    readOnly: true
+  name:
+    description: unique string institution's name
+    type: string
+  implementation:
+    description: institution's implementation, defaults to 'ILS'
+    type: string
+  checkin:
+    description: institution's policy for checkin
+    type: boolean
+  checkout:
+    description: institution's policy for checkout
+    type: boolean
+  offline:
+    description: institution's policy for offline
+    type: boolean
+  renewal:
+    description: institution's policy for renewal
+    type: boolean
+  retries:
+    description: institution's policy for retries
+    type: integer
+  status_update:
+    description: institution's policy for status_update
+    type: boolean
+  timeout:
+    description: institution's policy for timeout
+    type: integer
+
+additionalProperties: false
+required:
+  - sip_institution_id
+  - name
diff --git a/api/v1/swagger/paths/sip2_institutions.yaml b/api/v1/swagger/paths/sip2_institutions.yaml
new file mode 100644
index 0000000000..1240a7e7f0
--- /dev/null
+++ b/api/v1/swagger/paths/sip2_institutions.yaml
@@ -0,0 +1,272 @@
+---
+/sip2/institutions:
+  get:
+    x-mojo-to: SIP2::Institutions#list
+    operationId: listSip2Institutions
+    tags:
+      - sip2_institutions
+    summary: List institutions
+    produces:
+      - application/json
+    parameters:
+      - description: Case insensitive search on institution sip_institution_id
+        in: query
+        name: sip_institution_id
+        required: false
+        type: string
+      - description: Case insensitive search on institution name
+        in: query
+        name: name
+        required: false
+        type: string
+      - description: Case insensitive search on institution implementation
+        in: query
+        name: implementation
+        required: false
+        type: string #TODO: Put the rest of the attributes here: checkin, checkout, etc
+      - $ref: "../swagger.yaml#/parameters/match"
+      - $ref: "../swagger.yaml#/parameters/order_by"
+      - $ref: "../swagger.yaml#/parameters/page"
+      - $ref: "../swagger.yaml#/parameters/per_page"
+      - $ref: "../swagger.yaml#/parameters/q_param"
+      - $ref: "../swagger.yaml#/parameters/q_body"
+    responses:
+      200:
+        description: A list of SIP2 institutions
+        schema:
+          items:
+            $ref: "../swagger.yaml#/definitions/sip2_institution"
+          type: array
+      "400":
+        description: |
+          Bad request. Possible `error_code` attribute values:
+
+            * `invalid_query`
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      403:
+        description: Access forbidden
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      500:
+        description: |-
+          Internal server error. Possible `error_code` attribute values:
+          * `internal_server_error`
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      503:
+        description: Under maintenance
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+    x-koha-authorization:
+      permissions:
+        superlibrarian: 1 # TODO: Fix this, currently for superlibrarians only
+  post:
+    x-mojo-to: SIP2::Institutions#add
+    operationId: addSip2Institutions
+    tags:
+      - sip2_institutions
+    summary: Add institutions
+    consumes:
+      - application/json
+    produces:
+      - application/json
+    parameters:
+      - description: A JSON object containing information about the new institution
+        in: body
+        name: body
+        required: true
+        schema:
+            $ref: "../swagger.yaml#/definitions/sip2_institution"
+    responses:
+      201:
+        description: A successfully created institution
+        schema:
+          items:
+            $ref: "../swagger.yaml#/definitions/sip2_institution"
+      400:
+        description: Bad request
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      401:
+        description: Authentication required
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      403:
+        description: Access forbidden
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      404:
+        description: Ressource not found
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      409:
+        description: Conflict in creating resource
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      413:
+        description: Payload too large
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      500:
+        description: |-
+          Internal server error. Possible `error_code` attribute values:
+          * `internal_server_error`
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      503:
+        description: Under maintenance
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+    x-koha-authorization:
+      permissions:
+        superlibrarian: 1 # TODO: Fix this, currently for superlibrarians only
+"/sip2/institutions/{sip_institution_id}":
+  get:
+    x-mojo-to: SIP2::Institutions#get
+    operationId: getSip2Institutions
+    tags:
+      - sip2_institutions
+    summary: Get SIP2 institution
+    produces:
+      - application/json
+    parameters:
+      - $ref: "../swagger.yaml#/parameters/sip_institution_id_pp"
+    responses:
+      200:
+        description: A SIP2 institution
+        schema:
+          items:
+            $ref: "../swagger.yaml#/definitions/sip2_institution"
+      400:
+        description: Bad request
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      401:
+        description: Authentication required
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      403:
+        description: Access forbidden
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      404:
+        description: Ressource not found
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      500:
+        description: |-
+          Internal server error. Possible `error_code` attribute values:
+          * `internal_server_error`
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      503:
+        description: Under maintenance
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+    x-koha-authorization:
+      permissions:
+        superlibrarian: 1 # TODO: Fix this, currently for superlibrarians only
+  put:
+    x-mojo-to: SIP2::Institutions#update
+    operationId: updateSip2Institutions
+    tags:
+      - sip2_institutions
+    summary: Update institution
+    consumes:
+      - application/json
+    produces:
+      - application/json
+    parameters:
+      - $ref: "../swagger.yaml#/parameters/sip_institution_id_pp"
+      - name: body
+        in: body
+        description: A JSON object containing new information about existing institution
+        required: true
+        schema:
+          $ref: "../swagger.yaml#/definitions/sip2_institution"
+    responses:
+      200:
+        description: A successfully updated institution
+        schema:
+          items:
+            $ref: "../swagger.yaml#/definitions/sip2_institution"
+      400:
+        description: Bad request
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      403:
+        description: Access forbidden
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      404:
+        description: Ressource not found
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      409:
+        description: Conflict in updating resource
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      413:
+        description: Payload too large
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      500:
+        description: |-
+          Internal server error. Possible `error_code` attribute values:
+          * `internal_server_error`
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      503:
+        description: Under maintenance
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+    x-koha-authorization:
+      permissions:
+        superlibrarian: 1 # TODO: Fix this, currently for superlibrarians only
+  delete:
+    x-mojo-to: SIP2::Institutions#delete
+    operationId: deleteSip2Institutions
+    tags:
+      - sip2_institutions
+    summary: Delete institution
+    produces:
+      - application/json
+    parameters:
+      - $ref: "../swagger.yaml#/parameters/sip_institution_id_pp"
+    responses:
+      204:
+        description: Institution deleted
+      400:
+        description: Bad request
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      401:
+        description: Authentication required
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      403:
+        description: Access forbidden
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      404:
+        description: Resource not found
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      409:
+        description: Conflict in deleting resource
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      500:
+        description: |-
+          Internal server error. Possible `error_code` attribute values:
+          * `internal_server_error`
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+      503:
+        description: Under maintenance
+        schema:
+          $ref: "../swagger.yaml#/definitions/error"
+    x-koha-authorization:
+      permissions:
+        superlibrarian: 1 # TODO: Fix this, currently for superlibrarians only
diff --git a/api/v1/swagger/swagger.yaml b/api/v1/swagger/swagger.yaml
index ad31b72042..c2801eedfb 100644
--- a/api/v1/swagger/swagger.yaml
+++ b/api/v1/swagger/swagger.yaml
@@ -180,6 +180,8 @@ definitions:
     $ref: ./definitions/rota.yaml
   search_filter:
     $ref: ./definitions/search_filter.yaml
+  sip2_institution:
+    $ref: ./definitions/sip2_institution.yaml
   smtp_server:
     $ref: ./definitions/smtp_server.yaml
   file_transport:
@@ -597,6 +599,10 @@ paths:
     $ref: "./paths/rotas.yaml#/~1rotas~1{rota_id}"
   "/rotas/{rota_id}/stages/{stage_id}/position":
     $ref: "./paths/rotas.yaml#/~1rotas~1{rota_id}~1stages~1{stage_id}~1position"
+  /sip2/institutions:
+    $ref: ./paths/sip2_institutions.yaml#/~1sip2~1institutions
+  "/sip2/institutions/{sip_institution_id}":
+    $ref: "./paths/sip2_institutions.yaml#/~1sip2~1institutions~1{sip_institution_id}"
   /suggestions:
     $ref: ./paths/suggestions.yaml#/~1suggestions
   "/suggestions/{suggestion_id}":
@@ -983,6 +989,12 @@ parameters:
     name: seen
     required: false
     type: integer
+  sip_institution_id_pp:
+    description: SIP2 institution internal identifier
+    in: path
+    name: sip_institution_id
+    required: true
+    type: integer
   smtp_server_id_pp:
     description: SMTP server internal identifier
     in: path