Outbound integrations for HubSpot, Salesforce, Close, and Attio
Browse outbound integrations for HubSpot, Salesforce, Close, and Attio across sales engagement platforms, AI agents, automation tools, and data providers.
Showing 24 of 66 integrations grouped by tier (page 2 of 3)
Ashby
Ashby is an all-in-one recruiting platform with ATS, sourcing CRM, and multichannel outreach sequences for talent teams.
BetterContact
Data platform that enriches and verifies B2B email addresses and phone numbers by aggregating data from 20+ sources.
ChatGPT
AI platform for conversation, content generation, and enterprise AI solutions made by OpenAI.
Claude
Next-generation AI assistant for productivity, content, and business integration and more by Anthropic.
Expandi
Expandi is a sales engagement platform offering B2B social automation and outreach tools, enabling businesses to scale.
FindyMail
FindyMail is a B2B contact discovery platform helping sales teams find and verify emails and phone numbers.
Icypeas
Icypeas is a B2B lead generation and email verification platform helping sales teams find, verify, and enrich lists.
PlusVibe
PlusVibe automates personalized email and social sequences for multichannel outbound teams.
Prospeo
Prospeo is a B2B lead generation and data enrichment platform offering email, mobile number, and company data.
Salesflow
Salesflow is a sales engagement platform offering automated email and social outreach for sales teams.
Cursor
Cursor is an AI-powered code editor and agent platform enabling AI-assisted development with deep codebase understanding.
HighLevel
HighLevel is an all-in-one sales and marketing CRM for agencies and small businesses, combining outreach, automation, and pipeline management.
LeadMagic
LeadMagic is a data enrichment platform that provides accurate contact information to automate prospecting.
Make
Make is a leading no-code automation platform enabling businesses to visually integrate their tools.
n8n
n8n is a low-code workflow automation platform enabling teams to connect apps and automate processes.
PhoneBurner
PhoneBurner is a sales engagement platform built around a power dialer, helping teams reach more prospects and follow up faster.
Pipedrive
Pipedrive is a sales-focused CRM offering visual pipeline management, deal tracking, and activity-based selling for revenue teams.
Supabase
Supabase provides open-source backend-as-a-service, instant APIs, authentication, and live updates.
Zapier
Zapier is a leading automation platform that connects apps and automates workflows, enabling users to create.
Amazon Redshift
Amazon Redshift is a cloud data warehouse for petabyte-scale analytics, SQL workloads, and BI integrations.
Amazon S3
Amazon S3 is object storage for structured and unstructured data, widely used as a durable layer for analytics pipelines and downstream reporting.
Apollo
Apollo is a sales intelligence and engagement platform for prospecting, sequencing, and pipeline management.
Bullhorn
Bullhorn is a staffing and recruiting CRM and ATS for agencies, managing candidates, clients, and placements at scale.
Databar
Databar is a data enrichment platform that pulls verified people and company data from 100+ providers and AI agents to power personalized outbound.
About OutboundSync integrations
OutboundSync connects the outbound stack — sales engagement platforms like Smartlead, Instantly, HeyReach, and Reply.io, enrichment and orchestration tools like Clay, and AI agents — to HubSpot, Salesforce, Close, and Attio. Sync sends, opens, replies, and meetings as native CRM activity; route inbound replies and bookings; attribute revenue to outbound channels; and keep block lists and unsubscribes in step across every tool.
Use the filters above to narrow by integration type (CRM, sales engagement platform, AI agent, automation, data and enrichment, inbox management), supported channels (email, social, phone), sync direction, and availability. Looking for a vetted starting point? Browse our Gold-tier integrations.
Need help implementing? Our outbound agency partners deploy these integrations on HubSpot and Salesforce — including Growth Engine X , C17 , Understory and TAM to Target .
Comparing approaches? Native integration vs OutboundSync for Smartlead, Instantly, and HeyReach, or see when to use Zapier, Make, n8n, OutboundSync, or a custom integration or jump to a dedicated Zapier alternative , Make alternative , or n8n alternative plus manual logging/BCC guidance for HubSpot, Salesforce, Close, and Attio.