B2B software integration index

The true cost of your software stack

The sticker price is never the whole story. We track the minimum plan tiers, API and webhook gates, and middleware fees behind 55 popular B2B integrations — so you know what a connection really costs before you sign up.

tools tracked

integration pairs

2026-10-17

prices last verified

All integration pairs

Pick any pair to open its interactive cost calculator, hidden-cost trap breakdown, and setup guide.

HubSpot + Slack

Native

Two-way deal and ticket alerts post straight to channels; no middleware needed. Requires…

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HubSpot + Stripe

Native

Payment events land in the CRM timeline, but mapping line items to deals needs a custom…

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HubSpot + Mailchimp

Native

Trap: true two-way contact sync needs Mailchimp Standard ($20/mo) - Essentials only…

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HubSpot + Zendesk

Native

Ticket sidebar inside the CRM works on the cheapest paid tiers on both sides. Requires…

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HubSpot + Calendly

Native

Meeting links auto-log to contacts; round-robin routing needs Calendly Teams. Requires…

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Pipedrive + Slack

Native

Deal-stage notifications to channels in under ten minutes of setup. Requires Pipedrive on…

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Pipedrive + Mailchimp

Native

Trap: custom-field mapping for segments needs Pipedrive Advanced ($34/seat) - Essential…

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Pipedrive + Xero

Native

Invoices generate from won deals; multi-currency needs Xero Standard. Requires Pipedrive…

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Pipedrive + Calendly

Native

Booked meetings create activities automatically. Requires Pipedrive on the 'Essential'…

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Salesforce Sales Cloud + Slack

Native

Slack-first selling is bundled since the acquisition; record sharing is native. Requires…

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Salesforce Sales Cloud + Stripe

Native

Big trap: Salesforce Starter has no API access - you must be on Professional…

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Salesforce Sales Cloud + Mailchimp

Native

Trap: deep campaign-member sync requires Salesforce Professional ($100/user/mo, plus a…

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Salesforce Sales Cloud + Zendesk

Native

Case data syncs to accounts; budget the Professional uplift ($100/user/mo) on the…

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Monday.com + Slack

Native

Trap: Monday Basic has no API/integrations - Standard ($12/seat) is the real entry point.…

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Monday.com + Zendesk

Native

Tickets become board items; two-way status sync works out of the box. Requires Monday.com…

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Monday.com + QuickBooks Online

Middleware

No native connector - route through Make Core ($9/mo). Webhooks need Monday Pro. Requires…

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ClickUp + Slack

Native

One of the cheapest native pairs in the matrix: $7/seat ClickUp + Slack Pro. Requires…

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ClickUp + Zendesk

Native

Trap: ClickUp webhooks for live ticket sync need the Business plan ($12/seat). Requires…

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ClickUp + Stripe

Middleware

No native billing link - poll Stripe events via Make Core ($9/mo). Requires ClickUp on…

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Asana + Slack

Native

Task notifications in channels; setup is a few clicks. Requires Asana on the 'Starter'…

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Asana + Mailchimp

Middleware

No native link - Zapier Starter ($19.99/mo) bridges campaign events to tasks. Requires…

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Asana + QuickBooks Online

Middleware

Trap: Asana webhooks need the Advanced plan ($24.99/seat); then bridge with Make Core.…

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Slack + Zendesk

Native

Ticket triage in channels; the classic support stack. Requires Slack on the 'Pro' plan…

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Slack + Intercom

Native

Chat transcripts and lead alerts stream into Slack natively. Requires Slack on the 'Pro'…

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Slack + Calendly

Native

Booking notifications land in any channel instantly. Requires Slack on the 'Pro' plan and…

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Slack + Notion

Native

Page previews and notifications; no upgrade traps on either side. Requires Slack on the…

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Slack + Airtable

Native

Record alerts to channels; bases stay in sync one way. Requires Slack on the 'Pro' plan…

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Stripe + QuickBooks Online

Native

Trap: automatic fee/expense categorization needs QuickBooks Essentials ($65/mo) - Simple…

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Stripe + Xero

Native

Bank-feed style reconciliation of Stripe payouts; Xero Standard handles multi-currency.…

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Stripe + Slack

Native

Failed-payment and payout alerts in channels via the native app. Requires Stripe on the…

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Stripe + Mailchimp

Native

Purchase data feeds segments; abandoned-cart flows need Mailchimp Standard. Requires…

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ActiveCampaign + Pipedrive

Native

Trap: ActiveCampaign's deep CRM data sync unlocks on Plus ($49/mo); Starter only does…

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ActiveCampaign + Stripe

Native

Revenue attribution per contact needs the Plus plan's deep-data integration. Requires…

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ActiveCampaign + Calendly

Native

No-show automations trigger from booked events; cheapest-tier friendly. Requires…

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Mailchimp + Airtable

Native

Campaign stats sync to bases; historical data needs Mailchimp Standard. Requires…

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Mailchimp + Calendly

Native

Event-triggered welcome emails; simple and cheap. Requires Mailchimp on the 'Essentials'…

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Zendesk + Notion

Middleware

No native docs link - Zapier Starter pushes resolved tickets to a Notion knowledge base.…

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Zendesk + Stripe

Middleware

Trap: Zendesk webhooks/targets for payment events need Suite Professional ($115/agent);…

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Freshdesk + Slack

Native

The budget Zendesk alternative pairs with Slack on entry tiers. Requires Freshdesk on the…

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Freshdesk + HubSpot

Native

Tickets visible on contact timelines; both sides on their cheapest paid plans. Requires…

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Intercom + HubSpot

Native

Big trap: full two-way conversation sync needs Intercom Advanced ($85/seat) AND HubSpot…

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Intercom + Stripe

Native

Billing data enriches chat profiles on base plans. Requires Intercom on the 'Essential'…

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Notion + Calendly

Native

Meeting notes auto-create in your workspace. Requires Notion on the 'Plus' plan and…

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Notion + Stripe

Middleware

No native link - Make Core watches Stripe and logs payments to a Notion database.…

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Airtable + Stripe

Native

Payment records land in bases; good enough for lightweight order tracking. Requires…

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Airtable + QuickBooks Online

Middleware

Trap: Airtable webhooks need the Business plan ($45/seat); bridge invoices via Make Core.…

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QuickBooks Online + Slack

Middleware

No native alerts - Zapier Starter posts invoice and payment events to channels. Requires…

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QuickBooks Online + Mailchimp

Middleware

Customer lists sync for invoicing follow-ups via Make Core. Requires QuickBooks Online on…

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Xero + ActiveCampaign

Middleware

Invoice-paid triggers email sequences through Make Core. Requires Xero on the 'Standard'…

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Xero + Calendly

Middleware

Trap: Calendly webhooks for real-time booking events need the Teams plan ($16/seat);…

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