diff --git a/packages/nodes-base/credentials/ContentfulApi.credentials.ts b/packages/nodes-base/credentials/ContentfulApi.credentials.ts
index 8ce49fb147..59680f100b 100644
--- a/packages/nodes-base/credentials/ContentfulApi.credentials.ts
+++ b/packages/nodes-base/credentials/ContentfulApi.credentials.ts
@@ -7,6 +7,7 @@ import {
 export class ContentfulApi implements ICredentialType {
 	name = 'contentfulApi';
 	displayName = 'Contenful API';
+	documentationUrl = 'contentful';
 	properties = [
 		{
 			displayName: 'Space ID',
diff --git a/packages/nodes-base/credentials/ConvertKitApi.credentials.ts b/packages/nodes-base/credentials/ConvertKitApi.credentials.ts
index d7e8697555..94195ec0fd 100644
--- a/packages/nodes-base/credentials/ConvertKitApi.credentials.ts
+++ b/packages/nodes-base/credentials/ConvertKitApi.credentials.ts
@@ -7,6 +7,7 @@ import {
 export class ConvertKitApi implements ICredentialType {
 	name = 'convertKitApi';
 	displayName = 'ConvertKit API';
+	documentationUrl = 'convertKit';
 	properties = [
 		{
 			displayName: 'API Secret',
diff --git a/packages/nodes-base/credentials/SentryIoApi.credentials.ts b/packages/nodes-base/credentials/SentryIoApi.credentials.ts
index 576f27f2f0..4530d50273 100644
--- a/packages/nodes-base/credentials/SentryIoApi.credentials.ts
+++ b/packages/nodes-base/credentials/SentryIoApi.credentials.ts
@@ -6,6 +6,7 @@ import {
 export class SentryIoApi implements ICredentialType {
 	name = 'sentryIoApi';
 	displayName = 'Sentry.io API';
+	documentationUrl = 'sentryIo';
 	properties = [
 		{
 			displayName: 'Token',
diff --git a/packages/nodes-base/credentials/SentryIoOAuth2Api.credentials.ts b/packages/nodes-base/credentials/SentryIoOAuth2Api.credentials.ts
index 3948be6c66..9c0ee4dd23 100644
--- a/packages/nodes-base/credentials/SentryIoOAuth2Api.credentials.ts
+++ b/packages/nodes-base/credentials/SentryIoOAuth2Api.credentials.ts
@@ -9,6 +9,7 @@ export class SentryIoOAuth2Api implements ICredentialType {
 		'oAuth2Api',
 	];
 	displayName = 'Sentry.io OAuth2 API';
+	documentationUrl = 'sentryIo';
 	properties = [
 		{
 			displayName: 'Authorization URL',