diff --git a/libs/api-hjarntorget/lib/apiHjarntorget.ts b/libs/api-hjarntorget/lib/apiHjarntorget.ts
index 8087c890e..e3a6735b6 100644
--- a/libs/api-hjarntorget/lib/apiHjarntorget.ts
+++ b/libs/api-hjarntorget/lib/apiHjarntorget.ts
@@ -50,6 +50,7 @@ import {
   shibbolethLoginUrlBase,
   verifyUrlBase,
   wallMessagesUrl,
+  abscenseRegistrationUrl
 } from './routes'
 import parse from '@skolplattformen/curriculum'
 
@@ -591,6 +592,25 @@ export class ApiHjarntorget extends EventEmitter implements Api {
     return statusChecker
   }
 
+  public async registerAbscense(child: EtjanstChild, startDate: DateTime, endDate: DateTime): Promise<void> {
+    const body = {
+      attendeeId: child.id,
+      startDate: startDate.toFormat("yyyy-MM-dd HH:mm"),
+      endDate: endDate.toFormat("yyyy-MM-dd HH:mm"),
+      statusId: 27433608,
+      _submit: 'Save'
+    }
+
+    await this.fetch('register-abscense', abscenseRegistrationUrl, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/x-www-form-urlencoded',
+        'Referer': "https://hjarntorget.goteborg.se/attendanceParentRegisterAbsence.do?attendeeId=" + child.id,
+      },
+      body: new URLSearchParams(body).toString(),
+    })
+  }
+
   private async fakeMode(): Promise<LoginStatusChecker> {
     this.isFake = true
 
@@ -603,4 +623,5 @@ export class ApiHjarntorget extends EventEmitter implements Api {
     emitter.token = 'fake'
     return emitter
   }
+
 }
diff --git a/libs/api-hjarntorget/lib/features.ts b/libs/api-hjarntorget/lib/features.ts
index 681f2f4b9..1a14ef95a 100644
--- a/libs/api-hjarntorget/lib/features.ts
+++ b/libs/api-hjarntorget/lib/features.ts
@@ -4,4 +4,6 @@ export const features: Features = {
   LOGIN_BANK_ID_SAME_DEVICE_WITHOUT_ID: false,
   FOOD_MENU: false,
   CLASS_LIST: false,
+  ABSCENE_REGISTRATION_SMS: false,
+  ABSCENE_REGISTRATION_FORM: true
 }
diff --git a/libs/api-hjarntorget/lib/index.ts b/libs/api-hjarntorget/lib/index.ts
index c00675f89..b0bc4a929 100644
--- a/libs/api-hjarntorget/lib/index.ts
+++ b/libs/api-hjarntorget/lib/index.ts
@@ -19,7 +19,7 @@ const init = (
   const cookieManager = ((cookieManagerImpl as RNCookieManager).get)
     ? wrapReactNativeCookieManager(cookieManagerImpl as RNCookieManager)
     : wrapToughCookie(cookieManagerImpl as ToughCookieJar)
-  return new ApiHjarntorget(fetchImpl as any, cookieManager, options)
+  return new ApiHjarntorget(fetchImpl, cookieManager, options)
 }
 
 export default init
diff --git a/libs/api-hjarntorget/lib/routes.ts b/libs/api-hjarntorget/lib/routes.ts
index fbedfb120..673e91040 100644
--- a/libs/api-hjarntorget/lib/routes.ts
+++ b/libs/api-hjarntorget/lib/routes.ts
@@ -15,6 +15,7 @@ export const wallMessagesUrl = 'https://hjarntorget.goteborg.se/api/wall/events?
 export const beginLoginUrl = 'https://hjarntorget.goteborg.se'
 export const calendarsUrl = 'https://hjarntorget.goteborg.se/pp/system/calendar/cal_events.jsp'
 export const calendarEventUrl = (calendarId: string, startDate: string, endDate: string) =>  `${calendarsUrl}?order_by=start_date&show_cal_ids=${calendarId}&mode=separate&filter_start_date=${startDate}&filter_end_date=${endDate}&search_for=`
+export const abscenseRegistrationUrl = 'https://hjarntorget.goteborg.se/attendanceParentSubmitAbsence.do'
 
 export const shibbolethLoginUrlBase = (beginLoginRedirectUrl: string) => {
     const returnUrlStart = beginLoginRedirectUrl.indexOf('return=') + 'return='.length
diff --git a/libs/api-skolplattformen/lib/api.ts b/libs/api-skolplattformen/lib/api.ts
index c45b86594..7761d7177 100644
--- a/libs/api-skolplattformen/lib/api.ts
+++ b/libs/api-skolplattformen/lib/api.ts
@@ -81,6 +81,9 @@ export class ApiSkolplattformen extends EventEmitter implements Api {
     this.cookieManager = cookieManager
     this.headers = {}
   }
+  registerAbscense(child: EtjanstChild, startDate: DateTime, endDate: DateTime): Promise<void> {
+    throw new Error('Method not implemented.')
+  }
 
   public getPersonalNumber(): string | undefined {
     return this.personalNumber
diff --git a/libs/api-skolplattformen/lib/features.ts b/libs/api-skolplattformen/lib/features.ts
index 0e9dfce49..017c3b89f 100644
--- a/libs/api-skolplattformen/lib/features.ts
+++ b/libs/api-skolplattformen/lib/features.ts
@@ -4,4 +4,6 @@ export const features: Features = {
   LOGIN_BANK_ID_SAME_DEVICE_WITHOUT_ID: true,
   FOOD_MENU: true,
   CLASS_LIST: true,
+  ABSCENE_REGISTRATION_SMS: true,
+  ABSCENE_REGISTRATION_FORM: false
 }
diff --git a/libs/api/lib/api.ts b/libs/api/lib/api.ts
index 84f4f2ba3..50f3264a1 100644
--- a/libs/api/lib/api.ts
+++ b/libs/api/lib/api.ts
@@ -37,5 +37,6 @@ export interface Api extends EventEmitter {
   getSchoolContacts(child: EtjanstChild): Promise<SchoolContact[]>
   getSkola24Children(): Promise<Skola24Child[]>
   getTimetable(child: Skola24Child, week: number, year: number, lang: Language): Promise<TimetableEntry[]>
+  registerAbscense(child: EtjanstChild, startDate: DateTime, endDate: DateTime): Promise<void>
   logout(): Promise<void>
 }
diff --git a/libs/api/lib/features.ts b/libs/api/lib/features.ts
index 752066748..7791ad656 100644
--- a/libs/api/lib/features.ts
+++ b/libs/api/lib/features.ts
@@ -1,7 +1,9 @@
 export interface Features {
   LOGIN_BANK_ID_SAME_DEVICE_WITHOUT_ID: boolean
   FOOD_MENU: boolean,
-  CLASS_LIST: boolean
+  CLASS_LIST: boolean,
+  ABSCENE_REGISTRATION_SMS: boolean,
+  ABSCENE_REGISTRATION_FORM: boolean,
 }
 
 export type FeatureType = keyof Features