diff --git a/api/db.py b/api/db.py
index f3f20ea..712e5b8 100644
--- a/api/db.py
+++ b/api/db.py
@@ -49,8 +49,9 @@ def execDatabaseOperation(func, params):
                                 sslmode = 'require')
         conn.autocommit = False
 
-        with conn.cursor(cursor_factory = psycopg2.extras.RealDictCursor) as cur:
-            return func(cur, params)
+        with conn:
+            with conn.cursor(cursor_factory = psycopg2.extras.RealDictCursor) as cur:
+                return func(cur, params)
     except psycopg2.Error as err:
         raise Exception("Error when connecting to database: {}".format(err))
     finally:
@@ -101,3 +102,11 @@ def dbGetOne(user, token_info, params):
     except Exception as e:
         logger.error(f"Exception: {e}")
         raise werkzeug.exceptions.InternalServerError
+
+def dbInsert(user, token_info, params):
+    logger.info("params: {}, token: {}".format(params, json.dumps(token_info)))
+    try:
+        return execDatabaseOperation(_opGetOne, params)
+    except Exception as e:
+        logger.error(f"Exception: {e}")
+        raise werkzeug.exceptions.InternalServerError
diff --git a/api/methods.py b/api/methods.py
index 6ab064f..4ecc2d5 100644
--- a/api/methods.py
+++ b/api/methods.py
@@ -5,7 +5,8 @@
 # -----------------------------------------
 
 
-from db import dbGetMany, dbGetOne
+from db import dbGetMany, dbGetOne, dbInsert
+from loguru import logger
 
 def get_accounts(user, token_info):
     return dbGetMany(user, token_info, {
@@ -21,6 +22,29 @@ SELECT
         }
     )
 
+def insert_account(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_description = body["description"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO account_t
+  (
+    description
+  ) VALUES (
+    %s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_description
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_account: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_account(user, token_info, accountId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -59,6 +83,73 @@ SELECT
         }
     )
 
+def insert_tenant(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_salutation = body["salutation"]
+    v_firstname = body["firstname"]
+    v_lastname = body["lastname"]
+    v_address1 = body["address1"]
+    v_address2 = body["address2"]
+    v_address3 = body["address3"]
+    v_zip = body["zip"]
+    v_city = body["city"]
+    v_phone1 = body["phone1"]
+    v_phone2 = body["phone2"]
+    v_iban = body["iban"]
+    v_account = body["account"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO tenant_t
+  (
+    salutation
+    ,firstname
+    ,lastname
+    ,address1
+    ,address2
+    ,address3
+    ,zip
+    ,city
+    ,phone1
+    ,phone2
+    ,iban
+    ,account
+  ) VALUES (
+    %s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_salutation
+    ,v_firstname
+    ,v_lastname
+    ,v_address1
+    ,v_address2
+    ,v_address3
+    ,v_zip
+    ,v_city
+    ,v_phone1
+    ,v_phone2
+    ,v_iban
+    ,v_account
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_tenant: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_tenant(user, token_info, tenantId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -99,6 +190,41 @@ SELECT
         }
     )
 
+def insert_premise(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_description = body["description"]
+    v_street = body["street"]
+    v_zip = body["zip"]
+    v_city = body["city"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO premise_t
+  (
+    description
+    ,street
+    ,zip
+    ,city
+  ) VALUES (
+    %s
+    ,%s
+    ,%s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_description
+    ,v_street
+    ,v_zip
+    ,v_city
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_premise: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_premise(user, token_info, premiseId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -132,6 +258,41 @@ SELECT
         }
     )
 
+def insert_flat(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_description = body["description"]
+    v_premise = body["premise"]
+    v_area = body["area"]
+    v_flat_no = body["flat_no"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO flat_t
+  (
+    description
+    ,premise
+    ,area
+    ,flat_no
+  ) VALUES (
+    %s
+    ,%s
+    ,%s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_description
+    ,v_premise
+    ,v_area
+    ,v_flat_no
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_flat: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_flat(user, token_info, flatId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -165,6 +326,41 @@ SELECT
         }
     )
 
+def insert_overhead_advance(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_description = body["description"]
+    v_amount = body["amount"]
+    v_startdate = body["startdate"]
+    v_enddate = body["enddate"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO overhead_advance_t
+  (
+    description
+    ,amount
+    ,startdate
+    ,enddate
+  ) VALUES (
+    %s
+    ,%s
+    ,%s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_description
+    ,v_amount
+    ,v_startdate
+    ,v_enddate
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_overhead_advance: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_overhead_advance(user, token_info, overhead_advanceId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -196,6 +392,33 @@ SELECT
         }
     )
 
+def insert_overhead_advance_flat_mapping(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_overhead_advance = body["overhead_advance"]
+    v_flat = body["flat"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO overhead_advance_flat_mapping_t
+  (
+    overhead_advance
+    ,flat
+  ) VALUES (
+    %s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_overhead_advance
+    ,v_flat
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_overhead_advance_flat_mapping: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_overhead_advance_flat_mapping(user, token_info, overhead_advance_flat_mappingId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -225,6 +448,33 @@ SELECT
         }
     )
 
+def insert_parking(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_description = body["description"]
+    v_premise = body["premise"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO parking_t
+  (
+    description
+    ,premise
+  ) VALUES (
+    %s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_description
+    ,v_premise
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_parking: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_parking(user, token_info, parkingId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -254,6 +504,33 @@ SELECT
         }
     )
 
+def insert_commercial_premise(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_description = body["description"]
+    v_premise = body["premise"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO commercial_premise_t
+  (
+    description
+    ,premise
+  ) VALUES (
+    %s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_description
+    ,v_premise
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_commercial_premise: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_commercial_premise(user, token_info, commercial_premiseId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -288,6 +565,53 @@ SELECT
         }
     )
 
+def insert_tenancy(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_description = body["description"]
+    v_tenant = body["tenant"]
+    v_flat = body["flat"]
+    v_parking = body["parking"]
+    v_commercial_premise = body["commercial_premise"]
+    v_startdate = body["startdate"]
+    v_enddate = body["enddate"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO tenancy_t
+  (
+    description
+    ,tenant
+    ,flat
+    ,parking
+    ,commercial_premise
+    ,startdate
+    ,enddate
+  ) VALUES (
+    %s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_description
+    ,v_tenant
+    ,v_flat
+    ,v_parking
+    ,v_commercial_premise
+    ,v_startdate
+    ,v_enddate
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_tenancy: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_tenancy(user, token_info, tenancyId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -325,6 +649,45 @@ SELECT
         }
     )
 
+def insert_fee(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_description = body["description"]
+    v_amount = body["amount"]
+    v_fee_type = body["fee_type"]
+    v_startdate = body["startdate"]
+    v_enddate = body["enddate"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO fee_t
+  (
+    description
+    ,amount
+    ,fee_type
+    ,startdate
+    ,enddate
+  ) VALUES (
+    %s
+    ,%s
+    ,%s
+    ,%s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_description
+    ,v_amount
+    ,v_fee_type
+    ,v_startdate
+    ,v_enddate
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_fee: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_fee(user, token_info, feeId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -354,6 +717,33 @@ SELECT
         }
     )
 
+def insert_tenancy_fee_mapping(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_tenancy = body["tenancy"]
+    v_fee = body["fee"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO tenancy_fee_mapping_t
+  (
+    tenancy
+    ,fee
+  ) VALUES (
+    %s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_tenancy
+    ,v_fee
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_tenancy_fee_mapping: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_tenancy_fee_mapping(user, token_info, tenancy_fee_mappingId=None):
     return dbGetOne(user, token_info, {
             "statement": """
@@ -382,6 +772,41 @@ SELECT
         }
     )
 
+def insert_account_entry(user, token_info, **args):
+  try:
+    body = args["body"]
+    v_description = body["description"]
+    v_account = body["account"]
+    v_created_at = body["created_at"]
+    v_amount = body["amount"]
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO account_entry_t
+  (
+    description
+    ,account
+    ,created_at
+    ,amount
+  ) VALUES (
+    %s
+    ,%s
+    ,%s
+    ,%s
+  )
+  RETURNING *
+""",
+      "params": [
+    v_description
+    ,v_account
+    ,v_created_at
+    ,v_amount
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_account_entry: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_account_entry(user, token_info, account_entryId=None):
     return dbGetOne(user, token_info, {
             "statement": """
diff --git a/api/methods.py.tmpl b/api/methods.py.tmpl
index d86ecee..1a2c00e 100644
--- a/api/methods.py.tmpl
+++ b/api/methods.py.tmpl
@@ -1,6 +1,7 @@
 $GENERATED_PYTHON_COMMENT
 
-from db import dbGetMany, dbGetOne
+from db import dbGetMany, dbGetOne, dbInsert
+from loguru import logger
 
 #for $table in $tables
 def get_${table.name}s(user, token_info):
@@ -25,6 +26,43 @@ SELECT
         }
     )
 
+def insert_${table.name}(user, token_info, **args):
+  try:
+    body = args["body"]
+#for $column in $table.columns
+    v_$column.name = body["$column.name"]
+#end for
+    return dbInsert(user, token_info, {
+      "statement": """
+INSERT INTO ${table.name}_t
+  (
+#set $sep=""
+#for $column in $table.columns
+    $sep$column.name
+#set $sep=","
+#end for   
+  ) VALUES (
+#set $sep=""
+#for $column in $table.columns
+    $sep%s
+#set $sep=","
+#end for   
+  )
+  RETURNING *
+""",
+      "params": [
+#set $sep=""
+#for $column in $table.columns
+    ${sep}v_$column.name
+#set $sep=","
+#end for   
+      ]      
+    })
+  except KeyError as e:
+    logger.warning("insert_${table.name}: parameter missing: {}".format(e))
+    raise werkzeug.exceptions.UnprocessableEntity("parameter missing: {}".format(e))
+
+
 def get_${table.name}(user, token_info, ${table.name}Id=None):
     return dbGetOne(user, token_info, {
             "statement": """
diff --git a/api/openapi.yaml b/api/openapi.yaml
index 8f1691a..6c4718e 100644
--- a/api/openapi.yaml
+++ b/api/openapi.yaml
@@ -35,6 +35,27 @@ paths:
                   $ref: '#/components/schemas/account'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "account" ]
+      summary: Insert a account
+      operationId: methods.insert_account
+      requestBody:
+        description: account
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/account'
+      responses:
+        '200':
+          description: account successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/account'
+      security:
+      - jwt: ['secret']
   /v1/accounts/{accountId}:
     get:
       tags: [ "account" ]
@@ -73,6 +94,27 @@ paths:
                   $ref: '#/components/schemas/tenant'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "tenant" ]
+      summary: Insert a tenant
+      operationId: methods.insert_tenant
+      requestBody:
+        description: tenant
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/tenant'
+      responses:
+        '200':
+          description: tenant successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/tenant'
+      security:
+      - jwt: ['secret']
   /v1/tenants/{tenantId}:
     get:
       tags: [ "tenant" ]
@@ -111,6 +153,27 @@ paths:
                   $ref: '#/components/schemas/premise'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "premise" ]
+      summary: Insert a premise
+      operationId: methods.insert_premise
+      requestBody:
+        description: premise
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/premise'
+      responses:
+        '200':
+          description: premise successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/premise'
+      security:
+      - jwt: ['secret']
   /v1/premises/{premiseId}:
     get:
       tags: [ "premise" ]
@@ -149,6 +212,27 @@ paths:
                   $ref: '#/components/schemas/flat'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "flat" ]
+      summary: Insert a flat
+      operationId: methods.insert_flat
+      requestBody:
+        description: flat
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/flat'
+      responses:
+        '200':
+          description: flat successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/flat'
+      security:
+      - jwt: ['secret']
   /v1/flats/{flatId}:
     get:
       tags: [ "flat" ]
@@ -187,6 +271,27 @@ paths:
                   $ref: '#/components/schemas/overhead_advance'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "overhead_advance" ]
+      summary: Insert a overhead_advance
+      operationId: methods.insert_overhead_advance
+      requestBody:
+        description: overhead_advance
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/overhead_advance'
+      responses:
+        '200':
+          description: overhead_advance successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/overhead_advance'
+      security:
+      - jwt: ['secret']
   /v1/overhead_advances/{overhead_advanceId}:
     get:
       tags: [ "overhead_advance" ]
@@ -225,6 +330,27 @@ paths:
                   $ref: '#/components/schemas/overhead_advance_flat_mapping'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "overhead_advance_flat_mapping" ]
+      summary: Insert a overhead_advance_flat_mapping
+      operationId: methods.insert_overhead_advance_flat_mapping
+      requestBody:
+        description: overhead_advance_flat_mapping
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/overhead_advance_flat_mapping'
+      responses:
+        '200':
+          description: overhead_advance_flat_mapping successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/overhead_advance_flat_mapping'
+      security:
+      - jwt: ['secret']
   /v1/overhead_advance_flat_mappings/{overhead_advance_flat_mappingId}:
     get:
       tags: [ "overhead_advance_flat_mapping" ]
@@ -263,6 +389,27 @@ paths:
                   $ref: '#/components/schemas/parking'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "parking" ]
+      summary: Insert a parking
+      operationId: methods.insert_parking
+      requestBody:
+        description: parking
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/parking'
+      responses:
+        '200':
+          description: parking successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/parking'
+      security:
+      - jwt: ['secret']
   /v1/parkings/{parkingId}:
     get:
       tags: [ "parking" ]
@@ -301,6 +448,27 @@ paths:
                   $ref: '#/components/schemas/commercial_premise'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "commercial_premise" ]
+      summary: Insert a commercial_premise
+      operationId: methods.insert_commercial_premise
+      requestBody:
+        description: commercial_premise
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/commercial_premise'
+      responses:
+        '200':
+          description: commercial_premise successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/commercial_premise'
+      security:
+      - jwt: ['secret']
   /v1/commercial_premises/{commercial_premiseId}:
     get:
       tags: [ "commercial_premise" ]
@@ -339,6 +507,27 @@ paths:
                   $ref: '#/components/schemas/tenancy'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "tenancy" ]
+      summary: Insert a tenancy
+      operationId: methods.insert_tenancy
+      requestBody:
+        description: tenancy
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/tenancy'
+      responses:
+        '200':
+          description: tenancy successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/tenancy'
+      security:
+      - jwt: ['secret']
   /v1/tenancys/{tenancyId}:
     get:
       tags: [ "tenancy" ]
@@ -377,6 +566,27 @@ paths:
                   $ref: '#/components/schemas/fee'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "fee" ]
+      summary: Insert a fee
+      operationId: methods.insert_fee
+      requestBody:
+        description: fee
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/fee'
+      responses:
+        '200':
+          description: fee successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/fee'
+      security:
+      - jwt: ['secret']
   /v1/fees/{feeId}:
     get:
       tags: [ "fee" ]
@@ -415,6 +625,27 @@ paths:
                   $ref: '#/components/schemas/tenancy_fee_mapping'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "tenancy_fee_mapping" ]
+      summary: Insert a tenancy_fee_mapping
+      operationId: methods.insert_tenancy_fee_mapping
+      requestBody:
+        description: tenancy_fee_mapping
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/tenancy_fee_mapping'
+      responses:
+        '200':
+          description: tenancy_fee_mapping successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/tenancy_fee_mapping'
+      security:
+      - jwt: ['secret']
   /v1/tenancy_fee_mappings/{tenancy_fee_mappingId}:
     get:
       tags: [ "tenancy_fee_mapping" ]
@@ -453,6 +684,27 @@ paths:
                   $ref: '#/components/schemas/account_entry'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "account_entry" ]
+      summary: Insert a account_entry
+      operationId: methods.insert_account_entry
+      requestBody:
+        description: account_entry
+        content:
+          application/json:
+            schema:
+              $ref: '#/components/schemas/account_entry'
+      responses:
+        '200':
+          description: account_entry successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  $ref: '#/components/schemas/account_entry'
+      security:
+      - jwt: ['secret']
   /v1/account_entrys/{account_entryId}:
     get:
       tags: [ "account_entry" ]
diff --git a/api/openapi.yaml.tmpl b/api/openapi.yaml.tmpl
index c0bba55..47e3c4b 100644
--- a/api/openapi.yaml.tmpl
+++ b/api/openapi.yaml.tmpl
@@ -31,6 +31,27 @@ paths:
                   \$ref: '#/components/schemas/$table.name'
       security:
       - jwt: ['secret']
+    post:
+      tags: [ "$table.name" ]
+      summary: Insert a ${table.name}
+      operationId: methods.insert_${table.name}
+      requestBody:
+        description: $table.name
+        content:
+          application/json:
+            schema:
+              \$ref: '#/components/schemas/$table.name'
+      responses:
+        '200':
+          description: ${table.name} successfully inserted
+          content:
+            'application/json':
+              schema:
+                type: array
+                items:
+                  \$ref: '#/components/schemas/$table.name'
+      security:
+      - jwt: ['secret']
   /v1/${table.name}s/{${table.name}Id}:
     get:
       tags: [ "$table.name" ]