What OutboundSync does

OutboundSync is a Delaware-incorporated middleware SaaS company founded in 2024 that synchronizes outbound engagement data from sales engagement platforms (SEPs) into CRM systems. The platform receives near-real-time webhooks from outbound tools covering email, social, and phone channels — including Smartlead, Instantly, HeyReach, Clay, EmailBison, Ken AI, Aimfox, Salesforge, GetSales, and Drippi — and maps campaign events (sends, opens, clicks, replies, bounces, unsubscribes, social connections) to CRM contact, company, lead, and deal objects in HubSpot, Salesforce, Close, and Attio. Core features include automated CRM activity logging, reply routing to the assigned rep, centralized block-list management, and revenue attribution across channels.

The company sells through a per-seat subscription model and operates a tiered Agency Partner Program (Untiered through Gold based on active qualified seat count) with 59 certified agencies reselling under wholesale discounts. Go-to-market combines product-led growth (self-service setup with webhook configuration, "Setup takes minutes" messaging) with a sales-assisted demo motion for enterprise buyers. Named customer logos span cloud infrastructure (Redis), AI coding tools (Windsurf), customer success (Gainsight), gifting (Sendoso), sales enablement (Crescendo), and earned wage access (Tapcheck).

OutboundSync is SOC 2 Type II certified, a certified HubSpot Technology Partner, a Salesforce External Client App, and holds certified partner status with Instantly, Smartlead, HeyReach, and EmailBison. The company operates with 1-10 employees, raised $184,950 in seed funding from TinySeed in 2024, and has its registered office in Newark, Delaware with operating presence in Denver. Primary buyer personas are B2B revenue teams, outbound agencies, and GTM engineering teams requiring 100% data accuracy in CRM systems.

Name

OutboundSync

Legal name

OutboundSync, Inc.

Website

https://outboundsync.com

Company type

Private

Founded year

2024

Operating status

Operating

Headcount range

1–10 employees

Short description

OutboundSync is a B2B middleware SaaS platform that synchronizes outbound engagement data (email, social, phone) from sales engagement platforms into CRM systems (HubSpot, Salesforce, Close, Attio) for B2B revenue teams and outbound agencies.

Ownership category

akta.pro rank

Product category

Sales Engagement and CRM Integration Software

SIC

Services-Prepackaged Software (7372)

akta.pro primary industry

Outbound Lead Generation & Prospecting (BPAAADAB)

akta.pro secondary industries

Call Center/Telemarketing & Outbound Customer Engagement (MPAAAIAN), Channel/Partner Sales Support (Reseller Enablement, Deal Reg) (BPAAADAH)

Keywords

• CRM integration platform
• Outbound data sync
• Sales engagement middleware
• CRM activity logging
• Revenue attribution software

Headquarters

HQ city

Denver

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Operations, Marketing or Sales, Infrastructure

Revenue model

1. Subscription SaaS - Per Seat: OutboundSync operates as a SaaS subscription product where pricing is based on per-seat (per CRM connection) model. Partners procure seats at wholesale discount and resell to end customers. The company offers tiered agency partner program with discounts based on active qualified seat count.
2. Agency Partner Resale: Agency partners resell OutboundSync services under a Resale Model where partners are invoiced at wholesale discount before payment is requested from end customers. Partner acts as principal and is solely responsible for invoicing and collections.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels4 records

Core offering

OutboundSync is a SaaS middleware platform that synchronizes outbound engagement data from sales engagement platforms (Smartlead, Instantly, HeyReach, Clay, EmailBison, Ken AI, Aimfox, and others) into CRM systems (HubSpot, Salesforce, Close, Attio). It automatically logs email, social, and phone activity on the correct contact and company records, routes replies to the assigned sales rep, manages block lists from the CRM, and enables revenue attribution and workflow automation across outbound channels.

Product overview

OutboundSync is a single unified outbound data integration platform that serves as the middleware layer between sales engagement platforms (Smartlead, Instantly, HeyReach, Clay, EmailBison, Ken AI, Aimfox, and others) and CRM systems (HubSpot, Salesforce, Close, Attio). The platform automatically synchronizes all outbound activity—email sends, opens, clicks, replies, bounces, unsubscribes, social connections, calls—to the correct CRM contact/company records, enabling B2B teams to maintain a single source of truth for outbound data in their CRM without manual entry or duct-taped automations.

Differentiator

Problem solved

Functional benefit

Products and services

• OutboundSync Platform Middleware platform that synchronizes outbound engagement data from sales engagement platforms (email, social, phone) into CRM systems (HubSpot, Salesforce, Close, Attio). Logs all campaign activity including sends, opens, clicks, replies, and unsubscribes on the correct CRM contact and company records, routes replies to the right rep, manages block lists, and enables revenue attribution across outbound channels. Targeted at B2B revenue teams, outbound agencies, and GTM engineering teams using CRMs alongside multiple outbound tools.

Named customers6 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration18 records

AI capability3 records

Feature5 records

Partnerships

18 partnerships are on record, tiered core and flagship.

• HubSpotcoreTechnology or IntegrationPrimary CRM integration partner. OutboundSync is a HubSpot Technology Partner with certified integration that syncs outbound activity (sends, opens, clicks, replies, unsubscribes) to HubSpot contacts, companies, and workflows. Supports HubSpot webhook receivers and CRM timeline activities.
• SalesforcecoreTechnology or IntegrationPrimary CRM integration partner. OutboundSync is a Salesforce External Client App with certified integration syncing outbound activity to Salesforce CRM objects, contacts, accounts, and opportunities.
• ClosecoreTechnology or IntegrationCRM integration partner (beta status). OutboundSync syncs outbound activity to Close CRM including email sends, replies, opens, clicks, and unsubscribes.
• AttiocoreTechnology or IntegrationCRM integration partner (beta status). OutboundSync syncs outbound activity to Attio CRM for contact and company records.
• SmartleadflagshipTechnology or IntegrationSmartlead is a primary outbound email platform integration. OutboundSync is a Smartlead Certified Partner receiving real-time webhooks for email sent, reply opened, link clicked, lead replied, and lead unsubscribed events.
• InstantlyflagshipTechnology or IntegrationInstantly is a key outbound email platform integration. OutboundSync is an Instantly Certified Partner syncing campaign activity including email sends, opens, clicks, replies, and bounces.
• HeyReachflagshipTechnology or IntegrationHeyReach is an outbound platform integration. OutboundSync is a HeyReach Expert partner with certified integration for email campaign activity sync.
• ClayflagshipTechnology or IntegrationClay is a GTM data enrichment and outreach platform integration. OutboundSync provides bidirectional sync of outbound activity from Clay campaigns to CRM records.
• EmailBisonflagshipTechnology or IntegrationEmailBison is an outbound email platform integration. OutboundSync is an EmailBison Certified Partner with verified integration.
• Ken AIflagshipTechnology or IntegrationKen AI builds and sends B2B outbound email campaigns. Integration syncs six campaign events: email sent, reply opened, link clicked, lead replied, lead interested, and lead unsubscribed.
• AimfoxflagshipTechnology or IntegrationAimfox is a social outreach platform for B2B teams. Integration syncs 13 Aimfox event types including connection requests, messages, replies, follows, post reactions, profile views, and campaign sequences.
• C17flagshipChannel Partner/ Reseller/ DistributorC17 is a Gold tier agency partner providing outbound services to clients. Featured on the agency partner page. Founder Enzo Carasso quoted on the homepage.
• Growth Engine XflagshipChannel Partner/ Reseller/ DistributorGrowth Engine X is a Gold tier agency partner. Founder Eric Nowoslawski quoted on homepage praising block list sync.
• TAM to TargetflagshipChannel Partner/ Reseller/ DistributorTAM to Target is a Gold tier agency partner specializing in gov + edu outbound. Founder Bobby Offterdinger featured in partner spotlight and quoted on homepage.
• UnderstoryflagshipChannel Partner/ Reseller/ DistributorUnderstory is a Gold tier agency partner. Co-Founder Alex Fine quoted on homepage praising omnichannel outreach capabilities.
• RevPartnersflagshipImplementation/ SI/ Consulting PartnerRevPartners is the only firm with Elite partner status at both HubSpot and Clay. Featured in partner spotlight. Specializes in RevOps and CRM implementations for clients like Eventbrite and Zoom.
• The KilnflagshipImplementation/ SI/ Consulting PartnerThe Kiln is a leading Clay partner and GTM engineering shop. Acquired by 2X (marketing-as-a-service firm) in January 2026. Featured in partner spotlight.
• Content Marketing MediaflagshipImplementation/ SI/ Consulting PartnerContent Marketing Media is a certified agency partner that builds custom GTM tooling including Signaliz signal engine. Founded by 15-year automation engineer Josh Whitfield.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Zapier: General-purpose automation platform explicitly listed by OutboundSync as a primary alternative. Both solve workflow connectivity between SaaS apps, including CRM-to-outbound-platform flows, though Zapier is much broader in scope.
• Make (Integromat): Visual iPaaS platform listed as a direct alternative on OutboundSync's footer. Competes on multi-step integrations between outbound tools, CRMs, and downstream apps with similar trigger-based architecture.
• n8n: Open-source workflow automation tool positioned on OutboundSync's alternatives list. Targets technical GTM teams building custom outbound-to-CRM automations — overlapping directly with OutboundSync's webhook-receiver value proposition.

Broad incumbents

• Workato: Enterprise iPaaS competitor. Vastly larger, venture-backed integration platform that competes for the same 'sync SaaS tools into the CRM' use case OutboundSync targets, particularly with enterprise customers.
• Tray.io: General automation/iPaaS platform often used by RevOps teams to integrate SEPs and CRMs. Targets a similar buyer to OutboundSync but with a much wider product surface and higher price points.
• HubSpot Operations Hub: HubSpot's native data sync and automation product that competes head-on with OutboundSync's HubSpot integration. As HubSpot deepens first-party outbound integrations, OutboundSync's value to HubSpot customers compresses.

Emerging players

• Hightouch: Reverse-ETL platform that syncs data from warehouses into operational systems including CRMs. Adjacent category to OutboundSync — both move external data into CRM records on a continuous basis.
• Census: Reverse-ETL competitor to Hightouch with overlapping sync-from-anywhere-to-CRM mechanics. Same target buyer (data/RevOps teams) as OutboundSync, though broader in data sources.
• Syncari: Unified data sync platform for RevOps with CRM as a primary destination. Directly comparable to OutboundSync's CRM-Activity-Logging feature set and competes for the same horizontal integration-budget dollars.
• Default: RevOps automation platform for routing leads and syncing systems. Targets mid-market GTM teams with similar concerns (data accuracy, attribution, multi-tool stacks) that drive the OutboundSync buyer persona.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds1 record

Investors1 record

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about OutboundSync