diff --git a/.pnp.cjs b/.pnp.cjs
index 86486ff1..8673e9c6 100755
--- a/.pnp.cjs
+++ b/.pnp.cjs
@@ -28,7 +28,7 @@ const RAW_RUNTIME_STATE =
         "packageLocation": "./",\
         "packageDependencies": [\
           ["@awell-health/awell-sdk", "npm:0.1.20"],\
-          ["@awell-health/extensions-core", "virtual:6d1931a4340173b37cf492f77cb803dda2f92958adb6847175388be3c73eb24be6f6bfd25e0fc0b7ad8dba815a972ad5e9d1f18e67fb58466bb7c99205a9d42e#npm:1.0.19"],\
+          ["@awell-health/extensions-core", "virtual:6d1931a4340173b37cf492f77cb803dda2f92958adb6847175388be3c73eb24be6f6bfd25e0fc0b7ad8dba815a972ad5e9d1f18e67fb58466bb7c99205a9d42e#npm:1.0.20"],\
           ["@awell-health/healthie-sdk", "npm:0.1.1"],\
           ["@dropbox/sign", "npm:1.8.0"],\
           ["@faker-js/faker", "npm:8.4.1"],\
@@ -222,7 +222,7 @@ const RAW_RUNTIME_STATE =
         "packageDependencies": [\
           ["@awell-health/awell-extensions", "workspace:."],\
           ["@awell-health/awell-sdk", "npm:0.1.20"],\
-          ["@awell-health/extensions-core", "virtual:6d1931a4340173b37cf492f77cb803dda2f92958adb6847175388be3c73eb24be6f6bfd25e0fc0b7ad8dba815a972ad5e9d1f18e67fb58466bb7c99205a9d42e#npm:1.0.19"],\
+          ["@awell-health/extensions-core", "virtual:6d1931a4340173b37cf492f77cb803dda2f92958adb6847175388be3c73eb24be6f6bfd25e0fc0b7ad8dba815a972ad5e9d1f18e67fb58466bb7c99205a9d42e#npm:1.0.20"],\
           ["@awell-health/healthie-sdk", "npm:0.1.1"],\
           ["@dropbox/sign", "npm:1.8.0"],\
           ["@faker-js/faker", "npm:8.4.1"],\
@@ -332,17 +332,17 @@ const RAW_RUNTIME_STATE =
       }]\
     ]],\
     ["@awell-health/extensions-core", [\
-      ["npm:1.0.19", {\
-        "packageLocation": "./.yarn/cache/@awell-health-extensions-core-npm-1.0.19-8daf047da8-25e8eb6a9a.zip/node_modules/@awell-health/extensions-core/",\
+      ["npm:1.0.20", {\
+        "packageLocation": "./.yarn/cache/@awell-health-extensions-core-npm-1.0.20-9f25e5c3ea-fd829c1ced.zip/node_modules/@awell-health/extensions-core/",\
         "packageDependencies": [\
-          ["@awell-health/extensions-core", "npm:1.0.19"]\
+          ["@awell-health/extensions-core", "npm:1.0.20"]\
         ],\
         "linkType": "SOFT"\
       }],\
-      ["virtual:6d1931a4340173b37cf492f77cb803dda2f92958adb6847175388be3c73eb24be6f6bfd25e0fc0b7ad8dba815a972ad5e9d1f18e67fb58466bb7c99205a9d42e#npm:1.0.19", {\
-        "packageLocation": "./.yarn/__virtual__/@awell-health-extensions-core-virtual-fd73770327/0/cache/@awell-health-extensions-core-npm-1.0.19-8daf047da8-25e8eb6a9a.zip/node_modules/@awell-health/extensions-core/",\
+      ["virtual:6d1931a4340173b37cf492f77cb803dda2f92958adb6847175388be3c73eb24be6f6bfd25e0fc0b7ad8dba815a972ad5e9d1f18e67fb58466bb7c99205a9d42e#npm:1.0.20", {\
+        "packageLocation": "./.yarn/__virtual__/@awell-health-extensions-core-virtual-03d9179995/0/cache/@awell-health-extensions-core-npm-1.0.20-9f25e5c3ea-fd829c1ced.zip/node_modules/@awell-health/extensions-core/",\
         "packageDependencies": [\
-          ["@awell-health/extensions-core", "virtual:6d1931a4340173b37cf492f77cb803dda2f92958adb6847175388be3c73eb24be6f6bfd25e0fc0b7ad8dba815a972ad5e9d1f18e67fb58466bb7c99205a9d42e#npm:1.0.19"],\
+          ["@awell-health/extensions-core", "virtual:6d1931a4340173b37cf492f77cb803dda2f92958adb6847175388be3c73eb24be6f6bfd25e0fc0b7ad8dba815a972ad5e9d1f18e67fb58466bb7c99205a9d42e#npm:1.0.20"],\
           ["@awell-health/awell-sdk", "npm:0.1.20"],\
           ["@types/awell-health__awell-sdk", null],\
           ["@types/json-schema", "npm:7.0.15"],\
diff --git a/.yarn/cache/@awell-health-extensions-core-npm-1.0.19-8daf047da8-25e8eb6a9a.zip b/.yarn/cache/@awell-health-extensions-core-npm-1.0.20-9f25e5c3ea-fd829c1ced.zip
similarity index 85%
rename from .yarn/cache/@awell-health-extensions-core-npm-1.0.19-8daf047da8-25e8eb6a9a.zip
rename to .yarn/cache/@awell-health-extensions-core-npm-1.0.20-9f25e5c3ea-fd829c1ced.zip
index c4297347..e73fc981 100644
Binary files a/.yarn/cache/@awell-health-extensions-core-npm-1.0.19-8daf047da8-25e8eb6a9a.zip and b/.yarn/cache/@awell-health-extensions-core-npm-1.0.20-9f25e5c3ea-fd829c1ced.zip differ
diff --git a/extensions/elation/settings.ts b/extensions/elation/settings.ts
index 41a6bba7..f022c65d 100644
--- a/extensions/elation/settings.ts
+++ b/extensions/elation/settings.ts
@@ -56,6 +56,18 @@ export const settings = {
   },
 } satisfies Record<string, Setting>
 
+export const rateLimitDurationSchema = z
+  .string()
+  .regex(
+    /^\d+[ ]+[smhd]$/,
+    'Duration must be in format {number} {unit} where unit is s,m,h,d',
+  )
+  .transform((val): Duration => {
+    const [number, unit] = val.split(' ')
+    return `${number}${unit}` as Duration
+  })
+  .optional()
+
 export const SettingsValidationSchema = z.object({
   base_url: z.string().min(1),
   auth_url: z.string().min(1),
@@ -68,17 +80,7 @@ export const SettingsValidationSchema = z.object({
    */
   username: z.string().optional(),
   password: z.string().optional(),
-  rateLimitDuration: z
-    .string()
-    .regex(
-      /^\d+[ ]+[smhd]$/,
-      'Duration must be in format {number} {unit} where unit is s,m,h,d',
-    )
-    .transform((val): Duration => {
-      const [number, unit] = val.split(' ')
-      return `${number}${unit}` as Duration
-    })
-    .optional(),
+  rateLimitDuration: rateLimitDurationSchema,
 } satisfies Record<keyof typeof settings, ZodTypeAny>)
 
 export type SettingsType = z.infer<typeof SettingsValidationSchema>
diff --git a/extensions/elation/webhooks/appointmentCreatedOrUpdated.ts b/extensions/elation/webhooks/appointmentCreatedOrUpdated.ts
index a6648ab2..5fc84195 100644
--- a/extensions/elation/webhooks/appointmentCreatedOrUpdated.ts
+++ b/extensions/elation/webhooks/appointmentCreatedOrUpdated.ts
@@ -6,6 +6,8 @@ import { ELATION_SYSTEM } from '../constants'
 import { type SubscriptionEvent } from '../types/subscription'
 import { createHash } from 'node:crypto'
 import { Duration } from '@upstash/ratelimit'
+import { rateLimitDurationSchema, SettingsValidationSchema } from '../settings'
+import { isNil } from 'lodash'
 
 const dataPoints = {
   appointmentId: {
@@ -31,7 +33,6 @@ export const appointmentCreatedOrUpdated: Webhook<
     helpers,
   }) => {
     const { action, resource, data } = payload
-    const { rateLimitDuration } = settings
     const { id: appointmentId, patient: patientId } = data
 
     // skip non 'saved'  actions for that webhook
@@ -39,7 +40,11 @@ export const appointmentCreatedOrUpdated: Webhook<
       return
     }
 
-    if (rateLimitDuration) {
+    const rateLimitDuration = rateLimitDurationSchema.parse(
+      settings.rateLimitDuration,
+    )
+
+    if (!isNil(rateLimitDuration)) {
       const rateLimiter = helpers.rateLimit(1, rateLimitDuration as Duration)
       const strAppt = JSON.stringify(data)
       const uniqueHash = createHash('sha256').update(strAppt).digest('hex')
diff --git a/extensions/elation/webhooks/patientCreatedOrUpdated.ts b/extensions/elation/webhooks/patientCreatedOrUpdated.ts
index 80dcb9f4..d3d0c392 100644
--- a/extensions/elation/webhooks/patientCreatedOrUpdated.ts
+++ b/extensions/elation/webhooks/patientCreatedOrUpdated.ts
@@ -4,6 +4,7 @@ import {
 } from '@awell-health/extensions-core'
 import { type SubscriptionEvent } from '../types/subscription'
 import { Duration } from '@upstash/ratelimit'
+import { rateLimitDurationSchema } from '../settings'
 import { createHash } from 'node:crypto'
 
 const dataPoints = {
@@ -30,7 +31,6 @@ export const patientCreatedOrUpdated: Webhook<
     helpers,
   }) => {
     const { data, resource, action } = payload
-    const { rateLimitDuration } = settings
     const { id: patientId } = data
 
     // skip non 'saved' actions for that webhook
@@ -38,6 +38,10 @@ export const patientCreatedOrUpdated: Webhook<
       return
     }
 
+    const rateLimitDuration = rateLimitDurationSchema.parse(
+      settings.rateLimitDuration,
+    )
+
     if (rateLimitDuration) {
       const rateLimiter = helpers.rateLimit(1, rateLimitDuration as Duration)
       const strPatient = JSON.stringify(data)
diff --git a/package.json b/package.json
index 36534e07..48c77014 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
   },
   "dependencies": {
     "@awell-health/awell-sdk": "^0.1.20",
-    "@awell-health/extensions-core": "1.0.19",
+    "@awell-health/extensions-core": "1.0.20",
     "@awell-health/healthie-sdk": "^0.1.1",
     "@dropbox/sign": "^1.8.0",
     "@hubspot/api-client": "^11.2.0",
diff --git a/yarn.lock b/yarn.lock
index 31e723a1..e009b43f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -87,7 +87,7 @@ __metadata:
   resolution: "@awell-health/awell-extensions@workspace:."
   dependencies:
     "@awell-health/awell-sdk": "npm:^0.1.20"
-    "@awell-health/extensions-core": "npm:1.0.19"
+    "@awell-health/extensions-core": "npm:1.0.20"
     "@awell-health/healthie-sdk": "npm:^0.1.1"
     "@dropbox/sign": "npm:^1.8.0"
     "@faker-js/faker": "npm:^8.0.2"
@@ -194,9 +194,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@awell-health/extensions-core@npm:1.0.19":
-  version: 1.0.19
-  resolution: "@awell-health/extensions-core@npm:1.0.19"
+"@awell-health/extensions-core@npm:1.0.20":
+  version: 1.0.20
+  resolution: "@awell-health/extensions-core@npm:1.0.20"
   dependencies:
     "@types/json-schema": "npm:^7.0.15"
     "@upstash/ratelimit": "npm:^2.0.5"
@@ -208,7 +208,7 @@ __metadata:
     zod-validation-error: "npm:^3.2.0"
   peerDependencies:
     "@awell-health/awell-sdk": "*"
-  checksum: 10/25e8eb6a9a3fb0a83de715a67e74cf143434e3e964003393a1a5f3a34e44f5af5f642408ebdf72d42c09cdf8a17697830fd5c0160c17c687bec87fdf04fba788
+  checksum: 10/fd829c1ced8c44dfbc9775b31ad3d96bf1afc5082b835ea06948514d66e6665efea2b5578f150efadcd80c347f240f6d3f850c8db7d484c0b264dff97f42112e
   languageName: node
   linkType: hard