diff --git a/packages/type-definitions/src/index.ts b/packages/type-definitions/src/index.ts
index 8755060b1..be04fc47f 100644
--- a/packages/type-definitions/src/index.ts
+++ b/packages/type-definitions/src/index.ts
@@ -29,6 +29,7 @@ import { types10800 } from './types_10800.js'
 
 import { calls as didCalls } from './runtime/did.js'
 import { calls as parachainStakingCalls } from './runtime/parachainStaking.js'
+import { calls as publicCredentialsCalls } from './runtime/publicCredentials.js'
 
 export {
   types8,
@@ -50,6 +51,7 @@ export {
 
 export { calls as didCalls } from './runtime/did.js'
 export { calls as parachainStakingCalls } from './runtime/parachainStaking.js'
+export { calls as publicCredentialsCalls } from './runtime/publicCredentials.js'
 
 const defaultTypesBundle: OverrideVersionedType[] = [
   {
@@ -117,6 +119,7 @@ export const typesBundle: OverrideBundleType = {
       runtime: {
         ...didCalls,
         ...parachainStakingCalls,
+        ...publicCredentialsCalls,
       },
       types: defaultTypesBundle,
     },
@@ -124,18 +127,21 @@ export const typesBundle: OverrideBundleType = {
       runtime: {
         ...didCalls,
         ...parachainStakingCalls,
+        ...publicCredentialsCalls,
       },
       types: defaultTypesBundle,
     },
     'KILT Mashnet': {
       runtime: {
         ...didCalls,
+        ...publicCredentialsCalls,
       },
       types: defaultTypesBundle,
     },
     Development: {
       runtime: {
         ...didCalls,
+        ...publicCredentialsCalls,
       },
       types: defaultTypesBundle,
     },
diff --git a/packages/type-definitions/src/runtime/publicCredentials.ts b/packages/type-definitions/src/runtime/publicCredentials.ts
new file mode 100644
index 000000000..39d50102d
--- /dev/null
+++ b/packages/type-definitions/src/runtime/publicCredentials.ts
@@ -0,0 +1,44 @@
+/**
+ * Copyright (c) 2018-2022, BOTLabs GmbH.
+ *
+ * This source code is licensed under the BSD 4-Clause "Original" license
+ * found in the LICENSE file in the root directory of this source tree.
+ */
+
+import type { DefinitionsCall } from '@polkadot/types/types'
+
+export const calls: DefinitionsCall = {
+  PublicCredentials: [
+    {
+      methods: {
+        get_credential: {
+          description:
+            'Return the public credential with the specified ID, if found.',
+          params: [
+            {
+              name: 'credential_id',
+              type: 'Hash',
+            },
+          ],
+          type: 'Option<PublicCredentialsCredentialsCredentialEntry>',
+        },
+        get_credentials: {
+          description:
+            'Return all the public credentials linked to the specified subject.',
+          params: [
+            {
+              name: 'subject',
+              type: 'Text',
+            },
+            {
+              name: 'filter',
+              type: 'Option<PublicCredentialsFilter>',
+            },
+          ],
+          type: 'Result<Vec<(Hash, PublicCredentialsCredentialsCredentialEntry)>, PublicCredentialApiError>',
+        },
+      },
+      version: 1,
+    },
+  ],
+}
diff --git a/packages/type-definitions/src/types_10800.ts b/packages/type-definitions/src/types_10800.ts
index 9769b4fe9..a58aaaf62 100644
--- a/packages/type-definitions/src/types_10800.ts
+++ b/packages/type-definitions/src/types_10800.ts
@@ -13,4 +13,16 @@ export const types10800: RegistryTypes = {
   ...types10720,
   // DID state_call v2
   DidApiAccountId: 'PalletDidLookupLinkableAccountLinkableAccountId',
+
+  // Public credentials state_calls (types are somehow not exported in the metadata info)
+  // FIXME: if exported in the metadata, remove these type definitions from future versions
+  PublicCredentialsFilter: {
+    _enum: {
+      ctypeHash: 'Hash',
+      attester: 'AccountId32',
+    },
+  },
+  PublicCredentialApiError: {
+    _enum: ['InvalidSubjectId'],
+  },
 }