diff --git a/.env.example b/.env.example
index 0331f9628..a117d6925 100644
--- a/.env.example
+++ b/.env.example
@@ -265,3 +265,17 @@ PAYMENTS_SERVICE_BASE_URL=
 PAYMENTS_SERVICE_OAUTH2_CLIENT_ID=
 PAYMENTS_SERVICE_OAUTH2_CLIENT_SECRET=
 PAYMENTS_SERVICE_OAUTH2_SCOPES=payment-profile/read
+
+
+# L5_FORMAT_TO_USE_FOR_DOCS=yaml
+# L5_SWAGGER_GENERATE_ALWAYS=true # Dev setting
+# L5_SWAGGER_GENERATE_YAML_COPY=true
+# L5_SWAGGER_UI_DARK_MODE=true
+
+# Apply a sort to the operation list of each API. It can be 'alpha' (sort by paths alphanumerically), 'method' (sort by HTTP method). Default is the order returned by the server unchanged.
+# L5_SWAGGER_OPERATIONS_SORT=
+# Controls the default expansion setting for the operations and tags. It can be: 'list' (expands only the tags), 'full' (expands the tags and operations), 'none' (expands nothing -default-).
+# L5_SWAGGER_UI_DOC_EXPANSION=none
+# L5_SWAGGER_UI_FILTERS=false # Show/Hide filters. default true
+# L5_SWAGGER_UI_PERSIST_AUTHORIZATION=false # If set to true, it persists authorization data, and it would not be lost on browser close/refresh
+L5_SWAGGER_OPEN_API_SPEC_VERSION=3.1.0
diff --git a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSubmissionInvitationApiController.php b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSubmissionInvitationApiController.php
index c1016741b..983495e7a 100644
--- a/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSubmissionInvitationApiController.php
+++ b/app/Http/Controllers/Apis/Protected/Summit/OAuth2SummitSubmissionInvitationApiController.php
@@ -1,4 +1,7 @@
-<?php namespace App\Http\Controllers;
+<?php
+
+namespace App\Http\Controllers;
+
 /**
  * Copyright 2020 OpenStack Foundation
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ -16,9 +19,12 @@
 use App\Http\Utils\EpochCellFormatter;
 use App\Jobs\Emails\PresentationSubmissions\Invitations\InviteSubmissionEmail;
 use App\Jobs\Emails\PresentationSubmissions\Invitations\ReInviteSubmissionEmail;
+use App\Models\Foundation\Main\IGroup;
 use App\Models\Foundation\Summit\Repositories\ISummitSubmissionInvitationRepository;
+use App\Security\SummitScopes;
 use App\Services\Model\ISummitSubmissionInvitationService;
 use Illuminate\Http\Request as LaravelRequest;
+use Illuminate\Http\Response;
 use Illuminate\Support\Facades\Request;
 use Illuminate\Support\Facades\Validator;
 use models\exceptions\ValidationException;
@@ -27,6 +33,7 @@
 use models\summit\Summit;
 use models\utils\IEntity;
 use ModelSerializers\SerializerRegistry;
+use OpenApi\Attributes as OA;
 use utils\Filter;
 use utils\FilterElement;
 use utils\FilterParser;
@@ -39,6 +46,24 @@ final class OAuth2SummitSubmissionInvitationApiController extends OAuth2Protecte
 {
     use RequestProcessor;
 
+    use ParametrizedGetAll;
+
+    use GetSummitChildElementById {
+        get as protected traitGet;
+    }
+
+    use DeleteSummitChildElement {
+        delete as protected traitDelete;
+    }
+
+    use AddSummitChildElement {
+        add as protected traitAdd;
+    }
+
+    use UpdateSummitChildElement {
+        update as protected traitUpdate;
+    }
+
     /**
      * @var ISummitRepository
      */
@@ -70,11 +95,64 @@ public function __construct
         $this->service = $service;
     }
 
-    /**
-     * @param LaravelRequest $request
-     * @param $summit_id
-     * @return \Illuminate\Http\JsonResponse|mixed
-     */
+    #[OA\Post(
+        path: "/api/v1/summits/{id}/submission-invitations/csv",
+        description: "Import submission invitations from CSV file - required-groups " . IGroup::SummitAdministrators . ", " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitRegistrationAdmins,
+        summary: "Import submission invitations from CSV",
+        operationId: "ingestSummitSubmissionInvitations",
+        tags: ['Summit Submission Invitations'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+                IGroup::SummitRegistrationAdmins
+            ]
+        ],
+        security: [
+            [
+                'summit_submission_invitations_oauth2' => [
+                    SummitScopes::WriteSummitData,
+                    SummitScopes::WriteSubmissionInvitations,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            )
+        ],
+        requestBody: new OA\RequestBody(
+            required: true,
+            content: new OA\MediaType(
+                mediaType: 'multipart/form-data',
+                schema: new OA\Schema(
+                    type: 'object',
+                    required: ['file'],
+                    properties: [
+                        new OA\Property(
+                            property: 'file',
+                            type: 'string',
+                            format: 'binary',
+                            description: 'CSV file to import'
+                        )
+                    ]
+                )
+            )
+        ),
+        responses: [
+            new OA\Response(response: 200, description: 'Success'),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_FORBIDDEN, description: "Forbidden"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "not found"),
+            new OA\Response(response: Response::HTTP_PRECONDITION_FAILED, description: "Validation Error"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error")
+        ]
+    )]
     public function ingestInvitations(LaravelRequest $request, $summit_id)
     {
         return $this->processRequest(function () use ($request, $summit_id) {
@@ -94,11 +172,6 @@ public function ingestInvitations(LaravelRequest $request, $summit_id)
         });
     }
 
-    // traits
-    use ParametrizedGetAll;
-
-    use GetSummitChildElementById;
-
     /**
      * @return ISummitRepository
      */
@@ -115,10 +188,92 @@ protected function getChildFromSummit(Summit $summit, $child_id): ?IEntity
         return $summit->getSubmissionInvitationById($child_id);
     }
 
-    /**
-     * @param $summit_id
-     * @return mixed
-     */
+    #[OA\Get(
+        path: "/api/v1/summits/{id}/submission-invitations",
+        description: "Get all submission invitations for a summit - required-groups " . IGroup::SummitAdministrators . ", " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitRegistrationAdmins,
+        summary: "Get all submission invitations",
+        operationId: "getAllSummitSubmissionInvitations",
+        tags: ['Summit Submission Invitations'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+                IGroup::SummitRegistrationAdmins
+            ]
+        ],
+        security: [
+            [
+                'summit_submission_invitations_oauth2' => [
+                    SummitScopes::ReadAllSummitData,
+                    SummitScopes::ReadSubmissionInvitations,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            ),
+            new OA\Parameter(
+                name: 'page',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'integer', default: 1),
+                description: 'Page number'
+            ),
+            new OA\Parameter(
+                name: 'per_page',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'integer', default: 10),
+                description: 'Items per page'
+            ),
+            new OA\Parameter(
+                name: 'filter',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Filter expression (e.g., email=@john,is_sent==true)'
+            ),
+            new OA\Parameter(
+                name: 'order',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Order by field (e.g., +id, -email)'
+            ),
+            new OA\Parameter(
+                name: 'expand',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Expand relationships (tags)'
+            ),
+            new OA\Parameter(
+                name: 'relations',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Relations to include (tags)'
+            )
+        ],
+        responses: [
+            new OA\Response(
+                response: 200,
+                description: 'Success',
+                content: new OA\JsonContent(ref: '#/components/schemas/PaginatedSummitSubmissionInvitationsResponse')
+            ),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_FORBIDDEN, description: "Forbidden"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "not found"),
+            new OA\Response(response: Response::HTTP_PRECONDITION_FAILED, description: "Validation Error"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error")
+        ]
+    )]
     public function getAllBySummit($summit_id)
     {
 
@@ -169,10 +324,74 @@ function () {
         );
     }
 
-    /**
-     * @param $summit_id
-     * @return mixed
-     */
+    #[OA\Get(
+        path: "/api/v1/summits/{id}/submission-invitations/csv",
+        description: "Get all submission invitations for a summit in CSV format - required-groups " . IGroup::SummitAdministrators . ", " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitRegistrationAdmins,
+        summary: "Get all submission invitations (CSV)",
+        operationId: "getAllSummitSubmissionInvitationsCSV",
+        tags: ['Summit Submission Invitations'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+                IGroup::SummitRegistrationAdmins
+            ]
+        ],
+        security: [
+            [
+                'summit_submission_invitations_oauth2' => [
+                    SummitScopes::ReadAllSummitData,
+                    SummitScopes::ReadSubmissionInvitations,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            ),
+            new OA\Parameter(
+                name: 'filter',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Filter expression'
+            ),
+            new OA\Parameter(
+                name: 'order',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Order by field'
+            ),
+            new OA\Parameter(
+                name: 'columns',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Comma-separated list of columns to include'
+            )
+        ],
+        responses: [
+            new OA\Response(
+                response: 200,
+                description: 'Success',
+                content: new OA\MediaType(
+                    mediaType: 'text/csv',
+                    schema: new OA\Schema(type: 'string', format: 'binary')
+                )
+            ),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_FORBIDDEN, description: "Forbidden"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "not found"),
+            new OA\Response(response: Response::HTTP_PRECONDITION_FAILED, description: "Validation Error"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error")
+        ]
+    )]
     public function getAllBySummitCSV($summit_id)
     {
 
@@ -255,9 +474,6 @@ function () {
         );
     }
 
-
-    use DeleteSummitChildElement;
-
     /**
      * @inheritDoc
      */
@@ -266,8 +482,6 @@ protected function deleteChild(Summit $summit, $child_id): void
         $this->service->delete($summit, $child_id);
     }
 
-    use AddSummitChildElement;
-
     /**
      * @inheritDoc
      */
@@ -284,8 +498,6 @@ function getAddValidationRules(array $payload): array
         return SummitSubmissionInvitationValidationRulesFactory::buildForAdd($payload);
     }
 
-    use UpdateSummitChildElement;
-
     /**
      * @inheritDoc
      */
@@ -302,10 +514,280 @@ protected function updateChild(Summit $summit, int $child_id, array $payload): I
         return $this->service->update($summit, $child_id, $payload);
     }
 
-    /**
-     * @param $summit_id
-     * @return \Illuminate\Http\JsonResponse|mixed
-     */
+    #[OA\Get(
+        path: "/api/v1/summits/{id}/submission-invitations/{invitation_id}",
+        description: "Get a specific submission invitation by id - required-groups " . IGroup::SummitAdministrators . ", " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitRegistrationAdmins,
+        summary: "Get submission invitation",
+        operationId: "getSummitSubmissionInvitation",
+        tags: ['Summit Submission Invitations'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+                IGroup::SummitRegistrationAdmins
+            ]
+        ],
+        security: [
+            [
+                'summit_submission_invitations_oauth2' => [
+                    SummitScopes::ReadAllSummitData,
+                    SummitScopes::ReadSubmissionInvitations,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            ),
+            new OA\Parameter(
+                name: 'invitation_id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The invitation id'
+            ),
+            new OA\Parameter(
+                name: 'expand',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Expand relationships (tags)'
+            ),
+            new OA\Parameter(
+                name: 'relations',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Relations to include (tags)'
+            )
+        ],
+        responses: [
+            new OA\Response(
+                response: 200,
+                description: 'Success',
+                content: new OA\JsonContent(ref: '#/components/schemas/SummitSubmissionInvitation')
+            ),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_FORBIDDEN, description: "Forbidden"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "not found"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error")
+        ]
+    )]
+    public function get($summit_id, $invitation_id)
+    {
+        return $this->traitGet($summit_id, $invitation_id);
+    }
+
+    #[OA\Post(
+        path: "/api/v1/summits/{id}/submission-invitations",
+        description: "Create a new submission invitation - required-groups " . IGroup::SummitAdministrators . ", " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitRegistrationAdmins,
+        summary: "Create submission invitation",
+        operationId: "createSummitSubmissionInvitation",
+        tags: ['Summit Submission Invitations'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+                IGroup::SummitRegistrationAdmins
+            ]
+        ],
+        security: [
+            [
+                'summit_submission_invitations_oauth2' => [
+                    SummitScopes::WriteSummitData,
+                    SummitScopes::WriteSubmissionInvitations,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            )
+        ],
+        requestBody: new OA\RequestBody(
+            required: true,
+            content: new OA\JsonContent(ref: '#/components/schemas/SummitSubmissionInvitationCreateRequest')
+        ),
+        responses: [
+            new OA\Response(
+                response: 201,
+                description: 'Created',
+                content: new OA\JsonContent(ref: '#/components/schemas/SummitSubmissionInvitation')
+            ),
+            new OA\Response(response: Response::HTTP_BAD_REQUEST, description: "Bad Request"),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_FORBIDDEN, description: "Forbidden"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "not found"),
+            new OA\Response(response: Response::HTTP_PRECONDITION_FAILED, description: "Validation Error"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error")
+        ]
+    )]
+    public function add($summit_id)
+    {
+        return $this->traitAdd($summit_id);
+    }
+
+    #[OA\Put(
+        path: "/api/v1/summits/{id}/submission-invitations/{invitation_id}",
+        description: "Update an existing submission invitation - required-groups " . IGroup::SummitAdministrators . ", " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitRegistrationAdmins,
+        summary: "Update submission invitation",
+        operationId: "updateSummitSubmissionInvitation",
+        tags: ['Summit Submission Invitations'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+                IGroup::SummitRegistrationAdmins
+            ]
+        ],
+        security: [
+            [
+                'summit_submission_invitations_oauth2' => [
+                    SummitScopes::WriteSummitData,
+                    SummitScopes::WriteSubmissionInvitations,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            ),
+            new OA\Parameter(
+                name: 'invitation_id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The invitation id'
+            )
+        ],
+        requestBody: new OA\RequestBody(
+            required: true,
+            content: new OA\JsonContent(ref: '#/components/schemas/SummitSubmissionInvitationUpdateRequest')
+        ),
+        responses: [
+            new OA\Response(
+                response: 200,
+                description: 'Success',
+                content: new OA\JsonContent(ref: '#/components/schemas/SummitSubmissionInvitation')
+            ),
+            new OA\Response(response: Response::HTTP_BAD_REQUEST, description: "Bad Request"),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_FORBIDDEN, description: "Forbidden"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "not found"),
+            new OA\Response(response: Response::HTTP_PRECONDITION_FAILED, description: "Validation Error"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error")
+        ]
+    )]
+    public function update($summit_id, $invitation_id)
+    {
+        return $this->traitUpdate($summit_id, $invitation_id);
+    }
+
+    #[OA\Delete(
+        path: "/api/v1/summits/{id}/submission-invitations/{invitation_id}",
+        description: "Delete a submission invitation - required-groups " . IGroup::SummitAdministrators . ", " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitRegistrationAdmins,
+        summary: "Delete submission invitation",
+        operationId: "deleteSummitSubmissionInvitation",
+        tags: ['Summit Submission Invitations'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+                IGroup::SummitRegistrationAdmins
+            ]
+        ],
+        security: [
+            [
+                'summit_submission_invitations_oauth2' => [
+                    SummitScopes::WriteSummitData,
+                    SummitScopes::WriteSubmissionInvitations,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            ),
+            new OA\Parameter(
+                name: 'invitation_id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The invitation id'
+            )
+        ],
+        responses: [
+            new OA\Response(response: 204, description: 'No Content'),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_FORBIDDEN, description: "Forbidden"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "not found"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error")
+        ]
+    )]
+    public function delete($summit_id, $invitation_id)
+    {
+        return $this->traitDelete($summit_id, $invitation_id);
+    }
+
+    #[OA\Delete(
+        path: "/api/v1/summits/{id}/submission-invitations/all",
+        description: "Delete all submission invitations for a summit - required-groups " . IGroup::SummitAdministrators . ", " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitRegistrationAdmins,
+        summary: "Delete all submission invitations",
+        operationId: "deleteAllSummitSubmissionInvitations",
+        tags: ['Summit Submission Invitations'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+                IGroup::SummitRegistrationAdmins
+            ]
+        ],
+        security: [
+            [
+                'summit_submission_invitations_oauth2' => [
+                    SummitScopes::WriteSummitData,
+                    SummitScopes::WriteSubmissionInvitations,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            )
+        ],
+        responses: [
+            new OA\Response(response: 204, description: 'No Content'),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_FORBIDDEN, description: "Forbidden"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "not found"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error")
+        ]
+    )]
     public function deleteAll($summit_id)
     {
         return $this->processRequest(function () use ($summit_id) {
@@ -321,6 +803,85 @@ public function deleteAll($summit_id)
      * @param $summit_id
      * @return \Illuminate\Http\JsonResponse|mixed
      */
+    #[OA\Put(
+        path: "/api/v1/summits/{id}/submission-invitations/all/send",
+        description: "Send submission invitations to selected recipients - required-groups " . IGroup::SummitAdministrators . ", " . IGroup::SuperAdmins . ", " . IGroup::Administrators . ", " . IGroup::SummitRegistrationAdmins,
+        summary: "Send submission invitations",
+        operationId: "sendSummitSubmissionInvitations",
+        tags: ['Summit Submission Invitations'],
+        x: [
+            'required-groups' => [
+                IGroup::SuperAdmins,
+                IGroup::Administrators,
+                IGroup::SummitAdministrators,
+                IGroup::SummitRegistrationAdmins
+            ]
+        ],
+        security: [
+            [
+                'summit_submission_invitations_oauth2' => [
+                    SummitScopes::WriteSummitData,
+                    SummitScopes::WriteSubmissionInvitations,
+                ]
+            ]
+        ],
+        parameters: [
+            new OA\Parameter(
+                name: 'id',
+                in: 'path',
+                required: true,
+                schema: new OA\Schema(type: 'integer'),
+                description: 'The summit id'
+            ),
+            new OA\Parameter(
+                name: 'filter',
+                in: 'query',
+                required: false,
+                schema: new OA\Schema(type: 'string'),
+                description: 'Filter expression to select invitations'
+            )
+        ],
+        requestBody: new OA\RequestBody(
+            required: true,
+            content: new OA\JsonContent(
+                required: ['email_flow_event'],
+                properties: [
+                    new OA\Property(
+                        property: 'email_flow_event',
+                        type: 'string',
+                        enum: ['SUMMIT_SUBMISSIONS_INVITE_SUBMISSION', 'SUMMIT_SUBMISSIONS_REINVITE_SUBMISSION'],
+                        description: 'Email flow event type'
+                    ),
+                    new OA\Property(
+                        property: 'selection_plan_id',
+                        type: 'integer',
+                        description: 'Selection plan ID'
+                    ),
+                    new OA\Property(
+                        property: 'invitations_ids',
+                        type: 'array',
+                        items: new OA\Items(type: 'integer'),
+                        description: 'Array of invitation IDs to send'
+                    ),
+                    new OA\Property(
+                        property: 'excluded_invitations_ids',
+                        type: 'array',
+                        items: new OA\Items(type: 'integer'),
+                        description: 'Array of invitation IDs to exclude'
+                    )
+                ]
+            )
+        ),
+        responses: [
+            new OA\Response(response: 200, description: 'Success'),
+            new OA\Response(response: Response::HTTP_BAD_REQUEST, description: "Bad Request"),
+            new OA\Response(response: Response::HTTP_UNAUTHORIZED, description: "Unauthorized"),
+            new OA\Response(response: Response::HTTP_FORBIDDEN, description: "Forbidden"),
+            new OA\Response(response: Response::HTTP_NOT_FOUND, description: "not found"),
+            new OA\Response(response: Response::HTTP_PRECONDITION_FAILED, description: "Validation Error"),
+            new OA\Response(response: Response::HTTP_INTERNAL_SERVER_ERROR, description: "Server Error")
+        ]
+    )]
     public function send($summit_id)
     {
         return $this->processRequest(function () use ($summit_id) {
diff --git a/app/Swagger/Models/SummitSubmissionInvitationSchema.php b/app/Swagger/Models/SummitSubmissionInvitationSchema.php
new file mode 100644
index 000000000..fbd2704c2
--- /dev/null
+++ b/app/Swagger/Models/SummitSubmissionInvitationSchema.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Swagger\schemas;
+
+use OpenApi\Attributes as OA;
+
+#[OA\Schema(
+    schema: 'SummitSubmissionInvitation',
+    type: 'object',
+    properties: [
+        new OA\Property(property: 'id', type: 'integer', example: 1),
+        new OA\Property(property: 'created', type: 'integer', description: 'Unix timestamp', example: 1640995200),
+        new OA\Property(property: 'last_edited', type: 'integer', description: 'Unix timestamp', example: 1640995200),
+        new OA\Property(property: 'email', type: 'string', format: 'email', example: 'speaker@example.com'),
+        new OA\Property(property: 'first_name', type: 'string', example: 'John'),
+        new OA\Property(property: 'last_name', type: 'string', example: 'Doe'),
+        new OA\Property(property: 'summit_id', type: 'integer', example: 1, description: 'Summit ID'),
+        new OA\Property(property: 'is_sent', type: 'boolean', example: false),
+        new OA\Property(property: 'sent_date', type: 'integer', description: 'Unix timestamp', example: 1640995200, nullable: true),
+        new OA\Property(
+            property: 'tags',
+            type: 'array',
+            items: new OA\Items(type: ['integer', 'string']),
+            example: [1, 2, 3],
+            description: 'Array of Tag IDs or names (when expanded) associated with the invitation',
+        )
+    ]
+)]
+class SummitSubmissionInvitationSchema {}
diff --git a/app/Swagger/Security/SummitSubmissionInvitationsAuthSchema.php b/app/Swagger/Security/SummitSubmissionInvitationsAuthSchema.php
new file mode 100644
index 000000000..6e6e6b9db
--- /dev/null
+++ b/app/Swagger/Security/SummitSubmissionInvitationsAuthSchema.php
@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Swagger\schemas;
+
+use App\Security\SummitScopes;
+use OpenApi\Attributes as OA;
+
+#[
+    OA\SecurityScheme(
+        type: 'oauth2',
+        securityScheme: 'summit_submission_invitations_oauth2',
+        flows: [
+            new OA\Flow(
+                authorizationUrl: L5_SWAGGER_CONST_AUTH_URL,
+                tokenUrl: L5_SWAGGER_CONST_TOKEN_URL,
+                flow: 'authorizationCode',
+                scopes: [
+                    SummitScopes::ReadAllSummitData => 'Read All Summit Data',
+                    SummitScopes::WriteSummitData => 'Write Summit Data',
+                    SummitScopes::ReadSubmissionInvitations => 'Read Submission Invitations',
+                    SummitScopes::WriteSubmissionInvitations => 'Write Submission Invitations',
+                ],
+            ),
+        ],
+    )
+]
+class SummitSubmissionInvitationsAuthSchema{}
diff --git a/app/Swagger/SummitSpeakersSchemas.php b/app/Swagger/SummitSpeakersSchemas.php
index 5a1a0deac..e0fb4d701 100644
--- a/app/Swagger/SummitSpeakersSchemas.php
+++ b/app/Swagger/SummitSpeakersSchemas.php
@@ -2,8 +2,112 @@
 
 namespace App\Swagger\schemas;
 
+use App\Jobs\Emails\PresentationSubmissions\Invitations\InviteSubmissionEmail;
+use App\Jobs\Emails\PresentationSubmissions\Invitations\ReInviteSubmissionEmail;
 use OpenApi\Attributes as OA;
 
+#[OA\Schema(
+    schema: 'PaginatedSummitSubmissionInvitationsResponse',
+    allOf: [
+        new OA\Schema(ref: '#/components/schemas/PaginateDataSchemaResponse'),
+        new OA\Schema(
+            type: 'object',
+            properties: [
+                new OA\Property(
+                    property: 'data',
+                    type: 'array',
+                    items: new OA\Items(ref: '#/components/schemas/SummitSubmissionInvitation')
+                )
+            ]
+        )
+    ]
+)]
+class PaginatedSummitSubmissionInvitationsResponseSchema {}
+
+#[OA\Schema(
+    schema: 'SummitSubmissionInvitationCSV',
+    type: 'object',
+    properties: [
+        new OA\Property(property: 'id', type: 'integer', example: 1),
+        new OA\Property(property: 'email', type: 'string', format: 'email', example: 'speaker@example.com'),
+        new OA\Property(property: 'first_name', type: 'string', example: 'John'),
+        new OA\Property(property: 'last_name', type: 'string', example: 'Doe'),
+        new OA\Property(property: 'speaker_id', type: 'integer', nullable: true, example: 123),
+        new OA\Property(property: 'summit_id', type: 'integer', example: 1),
+        new OA\Property(property: 'is_sent', type: 'boolean', example: false),
+        new OA\Property(property: 'sent_date', type: 'integer', description: 'Unix timestamp', nullable: true, example: 1640995200),
+        new OA\Property(property: 'tags', type: 'string', example: 'tag1,tag2,tag3')
+    ]
+)]
+class SummitSubmissionInvitationCSVSchema {}
+
+#[OA\Schema(
+    schema: 'SummitSubmissionInvitationCreateRequest',
+    type: 'object',
+    required: ['email', 'first_name', 'last_name'],
+    properties: [
+        new OA\Property(property: 'email', type: 'string', format: 'email', example: 'speaker@example.com'),
+        new OA\Property(property: 'first_name', type: 'string', example: 'John'),
+        new OA\Property(property: 'last_name', type: 'string', example: 'Doe'),
+        new OA\Property(
+            property: 'tags',
+            type: 'array',
+            items: new OA\Items(type: 'string'),
+            example: ['tag1', 'tag2'],
+            nullable: true
+        )
+    ]
+)]
+class SummitSubmissionInvitationCreateRequestSchema {}
+
+#[OA\Schema(
+    schema: 'SummitSubmissionInvitationUpdateRequest',
+    type: 'object',
+    properties: [
+        new OA\Property(property: 'email', type: 'string', format: 'email', example: 'speaker@example.com', nullable: true),
+        new OA\Property(property: 'first_name', type: 'string', example: 'John', nullable: true),
+        new OA\Property(property: 'last_name', type: 'string', example: 'Doe', nullable: true),
+        new OA\Property(
+            property: 'tags',
+            type: 'array',
+            items: new OA\Items(type: 'string'),
+            example: ['tag1', 'tag2'],
+            nullable: true
+        )
+    ]
+)]
+class SummitSubmissionInvitationUpdateRequestSchema {}
+
+#[OA\Schema(
+    schema: 'SendSummitSubmissionInvitationsRequest',
+    type: 'object',
+    required: ['email_flow_event'],
+    properties: [
+        new OA\Property(
+            property: 'email_flow_event',
+            type: 'string',
+            enum: [InviteSubmissionEmail::EVENT_SLUG, ReInviteSubmissionEmail::EVENT_SLUG],
+            example: InviteSubmissionEmail::EVENT_SLUG
+        ),
+        new OA\Property(property: 'selection_plan_id', type: 'integer', example: 1, nullable: true),
+        new OA\Property(
+            property: 'invitations_ids',
+            type: 'array',
+            items: new OA\Items(type: 'integer'),
+            example: [1, 2, 3],
+            nullable: true
+        ),
+        new OA\Property(
+            property: 'excluded_invitations_ids',
+            type: 'array',
+            items: new OA\Items(type: 'integer'),
+            example: [4, 5],
+            nullable: true
+        )
+    ]
+)]
+class SendSummitSubmissionInvitationsRequestSchema {}
+
 //
 
 #[OA\Schema(
@@ -72,4 +176,4 @@ class SpeakerOrganizationalRoleSchema
 )]
 class SpeakerOrganizationalRolesResponseSchema
 {
-}
\ No newline at end of file
+}