improvement(resend): add error handling, authMode, and naming consistency (#3382)

apps/sim/blocks/blocks/resend.ts

@@ -1,5 +1,6 @@
 import { ResendIcon } from '@/components/icons'
 import type { BlockConfig } from '@/blocks/types'
+import { AuthMode } from '@/blocks/types'
 
 export const ResendBlock: BlockConfig = {
   type: 'resend',
@@ -11,6 +12,7 @@ export const ResendBlock: BlockConfig = {
   category: 'tools',
   bgColor: '#181C1E',
   icon: ResendIcon,
+  authMode: AuthMode.ApiKey,
 
   subBlocks: [
     {
@@ -18,16 +20,13 @@ export const ResendBlock: BlockConfig = {
       title: 'Operation',
       type: 'dropdown',
       options: [
-        // Email Operations
         { label: 'Send Email', id: 'send_email' },
         { label: 'Get Email', id: 'get_email' },
-        // Contact Operations
         { label: 'Create Contact', id: 'create_contact' },
         { label: 'List Contacts', id: 'list_contacts' },
         { label: 'Get Contact', id: 'get_contact' },
         { label: 'Update Contact', id: 'update_contact' },
         { label: 'Delete Contact', id: 'delete_contact' },
-        // Domain Operations
         { label: 'List Domains', id: 'list_domains' },
       ],
       value: () => 'send_email',
@@ -41,7 +40,6 @@ export const ResendBlock: BlockConfig = {
       password: true,
     },
 
-    // Send Email fields
     {
       id: 'fromAddress',
       title: 'From Address',
@@ -80,7 +78,7 @@ export const ResendBlock: BlockConfig = {
 "Order confirmation" -> "Your Order #12345 is Confirmed"
 "Newsletter about new features" -> "New Features You'll Love"
 
-Return ONLY the subject line - no explanations.`,
+Return ONLY the subject line - no explanations, no extra text.`,
         placeholder: 'Describe the email topic...',
       },
     },
@@ -100,7 +98,7 @@ Return ONLY the subject line - no explanations.`,
 - Keep paragraphs short
 - Include appropriate greeting and sign-off
 
-Return ONLY the email body - no explanations.`,
+Return ONLY the email body - no explanations, no extra text.`,
         placeholder: 'Describe the email content...',
       },
     },
@@ -114,6 +112,7 @@ Return ONLY the email body - no explanations.`,
       ],
       value: () => 'text',
       condition: { field: 'operation', value: 'send_email' },
+      mode: 'advanced',
     },
     {
       id: 'cc',
@@ -121,6 +120,7 @@ Return ONLY the email body - no explanations.`,
       type: 'short-input',
       placeholder: 'cc@example.com',
       condition: { field: 'operation', value: 'send_email' },
+      mode: 'advanced',
     },
     {
       id: 'bcc',
@@ -128,6 +128,7 @@ Return ONLY the email body - no explanations.`,
       type: 'short-input',
       placeholder: 'bcc@example.com',
       condition: { field: 'operation', value: 'send_email' },
+      mode: 'advanced',
     },
     {
       id: 'replyTo',
@@ -135,6 +136,7 @@ Return ONLY the email body - no explanations.`,
       type: 'short-input',
       placeholder: 'reply@example.com',
       condition: { field: 'operation', value: 'send_email' },
+      mode: 'advanced',
     },
     {
       id: 'scheduledAt',
@@ -142,6 +144,14 @@ Return ONLY the email body - no explanations.`,
       type: 'short-input',
       placeholder: '2024-08-05T11:52:01.858Z',
       condition: { field: 'operation', value: 'send_email' },
+      mode: 'advanced',
+      wandConfig: {
+        enabled: true,
+        generationType: 'timestamp',
+        prompt:
+          'Generate an ISO 8601 timestamp for scheduling email delivery. Return ONLY the timestamp - no explanations, no extra text.',
+        placeholder: 'Describe when to send (e.g., "tomorrow at 9am")...',
+      },
     },
     {
       id: 'tags',
@@ -149,9 +159,15 @@ Return ONLY the email body - no explanations.`,
       type: 'short-input',
       placeholder: 'category:welcome,type:onboarding',
       condition: { field: 'operation', value: 'send_email' },
+      mode: 'advanced',
+      wandConfig: {
+        enabled: true,
+        prompt:
+          'Generate comma-separated key:value pairs for email tags based on the description. Example format: "category:welcome,type:onboarding". Return ONLY the tag pairs - no explanations, no extra text.',
+        placeholder: 'Describe the email tags...',
+      },
     },
 
-    // Get Email fields
     {
       id: 'emailId',
       title: 'Email ID',
@@ -161,7 +177,6 @@ Return ONLY the email body - no explanations.`,
       required: true,
     },
 
-    // Create Contact fields
     {
       id: 'email',
       title: 'Email',
@@ -196,7 +211,6 @@ Return ONLY the email body - no explanations.`,
       condition: { field: 'operation', value: ['create_contact', 'update_contact'] },
     },
 
-    // Get/Update/Delete Contact fields
     {
       id: 'contactId',
       title: 'Contact ID or Email',
@@ -239,7 +253,6 @@ Return ONLY the email body - no explanations.`,
   inputs: {
     operation: { type: 'string', description: 'Operation to perform' },
     resendApiKey: { type: 'string', description: 'Resend API key' },
-    // Send email inputs
     fromAddress: { type: 'string', description: 'Email address to send from' },
     to: { type: 'string', description: 'Recipient email address' },
     subject: { type: 'string', description: 'Email subject' },
@@ -250,9 +263,7 @@ Return ONLY the email body - no explanations.`,
     replyTo: { type: 'string', description: 'Reply-to email address' },
     scheduledAt: { type: 'string', description: 'Scheduled send time in ISO 8601 format' },
     tags: { type: 'string', description: 'Email tags as key:value pairs' },
-    // Get email inputs
     emailId: { type: 'string', description: 'Email ID to retrieve' },
-    // Contact inputs
     email: { type: 'string', description: 'Contact email address' },
     firstName: { type: 'string', description: 'Contact first name' },
     lastName: { type: 'string', description: 'Contact last name' },
@@ -262,24 +273,22 @@ Return ONLY the email body - no explanations.`,
 
   outputs: {
     success: { type: 'boolean', description: 'Operation success status' },
-    // Send email outputs
+    id: { type: 'string', description: 'Email or contact ID' },
     to: { type: 'string', description: 'Recipient email address' },
     subject: { type: 'string', description: 'Email subject' },
     body: { type: 'string', description: 'Email body content' },
-    // Get email outputs
-    id: { type: 'string', description: 'Email or contact ID' },
     from: { type: 'string', description: 'Sender email address' },
     html: { type: 'string', description: 'HTML email content' },
     text: { type: 'string', description: 'Plain text email content' },
     lastEvent: { type: 'string', description: 'Last event status' },
     createdAt: { type: 'string', description: 'Creation timestamp' },
+    scheduledAt: { type: 'string', description: 'Scheduled send timestamp' },
     tags: { type: 'json', description: 'Email tags as name-value pairs' },
-    // Contact outputs
     email: { type: 'string', description: 'Contact email address' },
     firstName: { type: 'string', description: 'Contact first name' },
     lastName: { type: 'string', description: 'Contact last name' },
+    unsubscribed: { type: 'boolean', description: 'Whether the contact is unsubscribed' },
     contacts: { type: 'json', description: 'Array of contacts' },
-    // Domain outputs
     domains: { type: 'json', description: 'Array of domains' },
     hasMore: { type: 'boolean', description: 'Whether more results are available' },
     deleted: { type: 'boolean', description: 'Whether the resource was deleted' },

apps/sim/tools/registry.ts

@@ -1599,13 +1599,13 @@ import {
 } from '@/tools/redis'
 import { reductoParserTool, reductoParserV2Tool } from '@/tools/reducto'
 import {
-  mailSendTool,
   resendCreateContactTool,
   resendDeleteContactTool,
   resendGetContactTool,
   resendGetEmailTool,
   resendListContactsTool,
   resendListDomainsTool,
+  resendSendTool,
   resendUpdateContactTool,
 } from '@/tools/resend'
 import {
@@ -2390,7 +2390,7 @@ export const tools: Record<string, ToolConfig> = {
   luma_update_event: lumaUpdateEventTool,
   linkedin_share_post: linkedInSharePostTool,
   linkedin_get_profile: linkedInGetProfileTool,
-  resend_send: mailSendTool,
+  resend_send: resendSendTool,
   resend_get_email: resendGetEmailTool,
   resend_create_contact: resendCreateContactTool,
   resend_list_contacts: resendListContactsTool,

apps/sim/tools/resend/create_contact.ts

@@ -1,6 +1,9 @@
+import { createLogger } from '@sim/logger'
 import type { CreateContactParams, CreateContactResult } from '@/tools/resend/types'
 import type { ToolConfig } from '@/tools/types'
 
+const logger = createLogger('ResendCreateContactTool')
+
 export const resendCreateContactTool: ToolConfig<CreateContactParams, CreateContactResult> = {
   id: 'resend_create_contact',
   name: 'Create Contact',
@@ -58,6 +61,17 @@ export const resendCreateContactTool: ToolConfig<CreateContactParams, CreateCont
   transformResponse: async (response: Response): Promise<CreateContactResult> => {
     const data = await response.json()
 
+    if (!data.id) {
+      logger.error('Resend Create Contact API error:', JSON.stringify(data, null, 2))
+      return {
+        success: false,
+        error: data.message || 'Failed to create contact',
+        output: {
+          id: '',
+        },
+      }
+    }
+
     return {
       success: true,
       output: {

apps/sim/tools/resend/delete_contact.ts

@@ -1,6 +1,9 @@
+import { createLogger } from '@sim/logger'
 import type { DeleteContactParams, DeleteContactResult } from '@/tools/resend/types'
 import type { ToolConfig } from '@/tools/types'
 
+const logger = createLogger('ResendDeleteContactTool')
+
 export const resendDeleteContactTool: ToolConfig<DeleteContactParams, DeleteContactResult> = {
   id: 'resend_delete_contact',
   name: 'Delete Contact',
@@ -24,7 +27,7 @@ export const resendDeleteContactTool: ToolConfig<DeleteContactParams, DeleteCont
 
   request: {
     url: (params: DeleteContactParams) =>
-      `https://api.resend.com/contacts/${encodeURIComponent(params.contactId)}`,
+      `https://api.resend.com/contacts/${encodeURIComponent(params.contactId.trim())}`,
     method: 'DELETE',
     headers: (params: DeleteContactParams) => ({
       Authorization: `Bearer ${params.resendApiKey}`,
@@ -35,10 +38,22 @@ export const resendDeleteContactTool: ToolConfig<DeleteContactParams, DeleteCont
   transformResponse: async (response: Response): Promise<DeleteContactResult> => {
     const data = await response.json()
 
+    if (data.message && !data.deleted) {
+      logger.error('Resend Delete Contact API error:', JSON.stringify(data, null, 2))
+      return {
+        success: false,
+        error: data.message || 'Failed to delete contact',
+        output: {
+          id: '',
+          deleted: false,
+        },
+      }
+    }
+
     return {
       success: true,
       output: {
-        id: data.contact || data.id || '',
+        id: data.contact ?? data.id ?? '',
         deleted: data.deleted ?? true,
       },
     }

apps/sim/tools/resend/get_contact.ts

@@ -1,6 +1,9 @@
+import { createLogger } from '@sim/logger'
 import type { GetContactParams, GetContactResult } from '@/tools/resend/types'
 import type { ToolConfig } from '@/tools/types'
 
+const logger = createLogger('ResendGetContactTool')
+
 export const resendGetContactTool: ToolConfig<GetContactParams, GetContactResult> = {
   id: 'resend_get_contact',
   name: 'Get Contact',
@@ -24,7 +27,7 @@ export const resendGetContactTool: ToolConfig<GetContactParams, GetContactResult
 
   request: {
     url: (params: GetContactParams) =>
-      `https://api.resend.com/contacts/${encodeURIComponent(params.contactId)}`,
+      `https://api.resend.com/contacts/${encodeURIComponent(params.contactId.trim())}`,
     method: 'GET',
     headers: (params: GetContactParams) => ({
       Authorization: `Bearer ${params.resendApiKey}`,
@@ -35,15 +38,31 @@ export const resendGetContactTool: ToolConfig<GetContactParams, GetContactResult
   transformResponse: async (response: Response): Promise<GetContactResult> => {
     const data = await response.json()
 
+    if (!data.id) {
+      logger.error('Resend Get Contact API error:', JSON.stringify(data, null, 2))
+      return {
+        success: false,
+        error: data.message || 'Failed to retrieve contact',
+        output: {
+          id: '',
+          email: '',
+          firstName: '',
+          lastName: '',
+          createdAt: '',
+          unsubscribed: false,
+        },
+      }
+    }
+
     return {
       success: true,
       output: {
         id: data.id,
-        email: data.email,
-        firstName: data.first_name || '',
-        lastName: data.last_name || '',
-        createdAt: data.created_at || '',
-        unsubscribed: data.unsubscribed || false,
+        email: data.email ?? '',
+        firstName: data.first_name ?? '',
+        lastName: data.last_name ?? '',
+        createdAt: data.created_at ?? '',
+        unsubscribed: data.unsubscribed ?? false,
       },
     }
   },

apps/sim/tools/resend/get_email.ts

@@ -1,6 +1,9 @@
+import { createLogger } from '@sim/logger'
 import type { GetEmailParams, GetEmailResult } from '@/tools/resend/types'
 import type { ToolConfig } from '@/tools/types'
 
+const logger = createLogger('ResendGetEmailTool')
+
 export const resendGetEmailTool: ToolConfig<GetEmailParams, GetEmailResult> = {
   id: 'resend_get_email',
   name: 'Get Email',
@@ -23,7 +26,7 @@ export const resendGetEmailTool: ToolConfig<GetEmailParams, GetEmailResult> = {
   },
 
   request: {
-    url: (params: GetEmailParams) => `https://api.resend.com/emails/${params.emailId}`,
+    url: (params: GetEmailParams) => `https://api.resend.com/emails/${params.emailId.trim()}`,
     method: 'GET',
     headers: (params: GetEmailParams) => ({
       Authorization: `Bearer ${params.resendApiKey}`,
@@ -34,22 +37,45 @@ export const resendGetEmailTool: ToolConfig<GetEmailParams, GetEmailResult> = {
   transformResponse: async (response: Response): Promise<GetEmailResult> => {
     const data = await response.json()
 
+    if (!data.id) {
+      logger.error('Resend Get Email API error:', JSON.stringify(data, null, 2))
+      return {
+        success: false,
+        error: data.message || 'Failed to retrieve email',
+        output: {
+          id: '',
+          from: '',
+          to: [],
+          subject: '',
+          html: '',
+          text: null,
+          cc: [],
+          bcc: [],
+          replyTo: [],
+          lastEvent: '',
+          createdAt: '',
+          scheduledAt: null,
+          tags: [],
+        },
+      }
+    }
+
     return {
       success: true,
       output: {
         id: data.id,
-        from: data.from,
-        to: data.to || [],
-        subject: data.subject,
-        html: data.html || '',
-        text: data.text || null,
-        cc: data.cc || [],
-        bcc: data.bcc || [],
-        replyTo: data.reply_to || [],
-        lastEvent: data.last_event || '',
-        createdAt: data.created_at || '',
-        scheduledAt: data.scheduled_at || null,
-        tags: data.tags || [],
+        from: data.from ?? '',
+        to: data.to ?? [],
+        subject: data.subject ?? '',
+        html: data.html ?? '',
+        text: data.text ?? null,
+        cc: data.cc ?? [],
+        bcc: data.bcc ?? [],
+        replyTo: data.reply_to ?? [],
+        lastEvent: data.last_event ?? '',
+        createdAt: data.created_at ?? '',
+        scheduledAt: data.scheduled_at ?? null,
+        tags: data.tags ?? [],
       },
     }
   },
@@ -60,13 +86,13 @@ export const resendGetEmailTool: ToolConfig<GetEmailParams, GetEmailResult> = {
     to: { type: 'json', description: 'Recipient email addresses' },
     subject: { type: 'string', description: 'Email subject' },
     html: { type: 'string', description: 'HTML email content' },
-    text: { type: 'string', description: 'Plain text email content' },
+    text: { type: 'string', description: 'Plain text email content', optional: true },
     cc: { type: 'json', description: 'CC email addresses' },
     bcc: { type: 'json', description: 'BCC email addresses' },
     replyTo: { type: 'json', description: 'Reply-to email addresses' },
     lastEvent: { type: 'string', description: 'Last event status (e.g., delivered, bounced)' },
     createdAt: { type: 'string', description: 'Email creation timestamp' },
-    scheduledAt: { type: 'string', description: 'Scheduled send timestamp' },
+    scheduledAt: { type: 'string', description: 'Scheduled send timestamp', optional: true },
     tags: { type: 'json', description: 'Email tags as name-value pairs' },
   },
 }

apps/sim/tools/resend/index.ts

@@ -4,7 +4,7 @@ export { resendGetContactTool } from '@/tools/resend/get_contact'
 export { resendGetEmailTool } from '@/tools/resend/get_email'
 export { resendListContactsTool } from '@/tools/resend/list_contacts'
 export { resendListDomainsTool } from '@/tools/resend/list_domains'
-export { mailSendTool } from '@/tools/resend/send'
+export { resendSendTool } from '@/tools/resend/send'
 export type {
   CreateContactParams,
   CreateContactResult,

apps/sim/tools/resend/list_contacts.ts

@@ -1,6 +1,9 @@
+import { createLogger } from '@sim/logger'
 import type { ListContactsParams, ListContactsResult } from '@/tools/resend/types'
 import type { ToolConfig } from '@/tools/types'
 
+const logger = createLogger('ResendListContactsTool')
+
 export const resendListContactsTool: ToolConfig<ListContactsParams, ListContactsResult> = {
   id: 'resend_list_contacts',
   name: 'List Contacts',
@@ -28,11 +31,23 @@ export const resendListContactsTool: ToolConfig<ListContactsParams, ListContacts
   transformResponse: async (response: Response): Promise<ListContactsResult> => {
     const data = await response.json()
 
+    if (data.message) {
+      logger.error('Resend List Contacts API error:', JSON.stringify(data, null, 2))
+      return {
+        success: false,
+        error: data.message || 'Failed to list contacts',
+        output: {
+          contacts: [],
+          hasMore: false,
+        },
+      }
+    }
+
     return {
       success: true,
       output: {
-        contacts: data.data || [],
-        hasMore: data.has_more || false,
+        contacts: data.data ?? [],
+        hasMore: data.has_more ?? false,
       },
     }
   },

apps/sim/tools/resend/list_domains.ts

@@ -1,6 +1,9 @@
+import { createLogger } from '@sim/logger'
 import type { ListDomainsParams, ListDomainsResult } from '@/tools/resend/types'
 import type { ToolConfig } from '@/tools/types'
 
+const logger = createLogger('ResendListDomainsTool')
+
 export const resendListDomainsTool: ToolConfig<ListDomainsParams, ListDomainsResult> = {
   id: 'resend_list_domains',
   name: 'List Domains',
@@ -28,10 +31,22 @@ export const resendListDomainsTool: ToolConfig<ListDomainsParams, ListDomainsRes
   transformResponse: async (response: Response): Promise<ListDomainsResult> => {
     const data = await response.json()
 
+    if (data.message) {
+      logger.error('Resend List Domains API error:', JSON.stringify(data, null, 2))
+      return {
+        success: false,
+        error: data.message || 'Failed to list domains',
+        output: {
+          domains: [],
+          hasMore: false,
+        },
+      }
+    }
+
     return {
       success: true,
       output: {
-        domains: (data.data || []).map(
+        domains: (data.data ?? []).map(
           (domain: {
             id: string
             name: string
@@ -46,7 +61,7 @@ export const resendListDomainsTool: ToolConfig<ListDomainsParams, ListDomainsRes
             createdAt: domain.created_at,
           })
         ),
-        hasMore: data.has_more || false,
+        hasMore: data.has_more ?? false,
       },
     }
   },

apps/sim/tools/resend/send.ts

@@ -1,7 +1,7 @@
 import type { MailSendParams, MailSendResult } from '@/tools/resend/types'
 import type { ToolConfig } from '@/tools/types'
 
-export const mailSendTool: ToolConfig<MailSendParams, MailSendResult> = {
+export const resendSendTool: ToolConfig<MailSendParams, MailSendResult> = {
   id: 'resend_send',
   name: 'Send Email',
   description: 'Send an email using your own Resend API key and from address',

apps/sim/tools/resend/update_contact.ts

@@ -1,6 +1,9 @@
+import { createLogger } from '@sim/logger'
 import type { UpdateContactParams, UpdateContactResult } from '@/tools/resend/types'
 import type { ToolConfig } from '@/tools/types'
 
+const logger = createLogger('ResendUpdateContactTool')
+
 export const resendUpdateContactTool: ToolConfig<UpdateContactParams, UpdateContactResult> = {
   id: 'resend_update_contact',
   name: 'Update Contact',
@@ -42,7 +45,7 @@ export const resendUpdateContactTool: ToolConfig<UpdateContactParams, UpdateCont
 
   request: {
     url: (params: UpdateContactParams) =>
-      `https://api.resend.com/contacts/${encodeURIComponent(params.contactId)}`,
+      `https://api.resend.com/contacts/${encodeURIComponent(params.contactId.trim())}`,
     method: 'PATCH',
     headers: (params: UpdateContactParams) => ({
       Authorization: `Bearer ${params.resendApiKey}`,
@@ -58,6 +61,17 @@ export const resendUpdateContactTool: ToolConfig<UpdateContactParams, UpdateCont
   transformResponse: async (response: Response): Promise<UpdateContactResult> => {
     const data = await response.json()
 
+    if (!data.id) {
+      logger.error('Resend Update Contact API error:', JSON.stringify(data, null, 2))
+      return {
+        success: false,
+        error: data.message || 'Failed to update contact',
+        output: {
+          id: '',
+        },
+      }
+    }
+
     return {
       success: true,
       output: {