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Integrations Overview

Production-grade custom integrations between payment processors, CRMs, e-commerce platforms, and business tools. Real API connections, not Zapier automations.

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HubSpot and Mailchimp Integration

What This Integration Does This integration keeps your Mailchimp audiences in sync with your HubSpot contact segments, so that the lists your email campaigns target always reflect the current state of your CRM. When a contact’s lifecycle stage changes in HubSpot, when they enter or leave a segment, or when their properties are updated, those changes are pushed to Mailchimp...

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HubSpot and Salesforce Integration

What This Integration Does This integration keeps contact records, deal data, and pipeline information synchronised between HubSpot and Salesforce so that teams working in either CRM have the same view of every customer relationship. Marketing works in HubSpot. Sales works in Salesforce. The integration ensures that a lead captured through a HubSpot form appears in Salesforce within minutes, and that...

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HubSpot and SendGrid Integration

What This Integration Does This integration uses HubSpot CRM events to trigger emails sent through SendGrid’s delivery infrastructure. When a deal stage changes, a contact property is updated, or a workflow condition is met in HubSpot, the integration sends the relevant data to SendGrid, which delivers the email using your configured templates, sender authentication, and delivery optimisation. It is one...

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HubSpot and Slack Integration

What This Integration Does This integration sends real-time HubSpot CRM events directly into your Slack channels. When a deal moves stage, a new contact is created, a form is submitted, or a meeting is booked, the relevant Slack channel receives a structured notification within seconds. Unlike native HubSpot-Slack connectors that offer limited formatting and rigid channel mapping, this is a...

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Mailchimp and Klaviyo Integration

What This Integration Does This integration synchronises subscriber data, list segments, and engagement history between Mailchimp and Klaviyo. The most common use case is a managed migration. A business moving from Mailchimp to Klaviyo needs to transfer its subscriber lists, preserve engagement data, maintain suppression lists, and run both platforms in parallel during the transition period without sending duplicate emails...

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OpenAI and HubSpot Integration

What This Integration Does This integration brings OpenAI’s language capabilities into HubSpot, so AI-powered content generation, data enrichment, and analysis happen inside your CRM workflows without your team switching tools or copying prompts between tabs. When a new lead enters your pipeline, the integration can automatically research the company and generate a summary for the sales rep. When a deal...

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OpenAI and Slack Integration

What This Integration Does This integration embeds OpenAI’s language capabilities directly into your Slack workspace. Instead of switching to a browser tab to interact with AI, your team accesses AI-powered assistance through slash commands, bot mentions, and automated channel workflows, all within the conversations where work is already happening. Unlike a generic chatbot dropped into Slack, this is a set...

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OpenAI and WordPress Integration

What This Integration Does This integration connects OpenAI’s language models directly to your WordPress site, so AI-generated content, metadata, and analysis are produced within your existing editorial workflow rather than in a separate tool. When an editor creates a new post, the system can generate a first draft from a brief, suggest meta descriptions, produce structured summaries, or analyse existing...

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Salesforce and Klaviyo Integration

What This Integration Does This integration syncs Salesforce contact records, opportunity data, and custom field values into Klaviyo, building rich profiles that power targeted email and SMS flows based on your sales pipeline. When an opportunity advances in Salesforce, when a contact’s account tier changes, or when a custom field is updated by your sales team, Klaviyo’s profile data reflects...

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Salesforce and Mailchimp Integration

What This Integration Does This integration synchronises Salesforce contact and lead data into Mailchimp audiences, keeping your email marketing lists aligned with your CRM records. It maps Salesforce fields to Mailchimp merge fields, translates Salesforce report or campaign membership into Mailchimp tags, and handles the ongoing sync so that your Mailchimp audiences are always a current reflection of your Salesforce...

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Salesforce and SendGrid Integration

What This Integration Does This integration triggers SendGrid email delivery from Salesforce events such as opportunity stage changes, task completions, approval processes, and custom triggers, so that transactional and lifecycle emails are sent through SendGrid’s infrastructure with data pulled directly from your Salesforce records. It is one of the CRM and email pairings we build through custom API work rather...

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Salesforce and Slack Integration

What This Integration Does This integration pushes Salesforce opportunity updates, case escalations, lead assignments, and custom object changes into Slack channels as structured, real-time notifications. Your team sees pipeline movement, support escalations, and lead activity without leaving Slack. Salesforce’s own Slack integration covers basic use cases, but it falls short when you need custom routing logic, enriched message payloads, or...

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Shopify and HubSpot Integration

What This Integration Does This integration connects Shopify’s order and customer data to HubSpot CRM through a custom API bridge, giving your marketing team a complete picture of every customer’s purchase behaviour without leaving HubSpot. Every order, abandoned cart, and customer milestone in Shopify becomes structured data inside HubSpot. Contacts are enriched with purchase history, deals mirror order value, and...

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Shopify and Klaviyo Integration

What This Integration Does This integration connects Shopify to Klaviyo through a custom API layer that goes beyond Klaviyo’s native Shopify connector, syncing custom data points, non-standard events, and business-specific metrics that the out-of-the-box integration does not support. It gives your email marketing the depth of data it needs to move from generic campaigns to genuinely personalised, revenue-driving automation. It...

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Shopify and Salesforce Integration

What This Integration Does This integration pushes Shopify order data into Salesforce so that B2B sales teams see every transaction against the accounts they manage, without switching between systems or waiting for someone to update a spreadsheet. Orders placed through Shopify appear as Salesforce opportunities with full line-item detail, linked to the correct account and contact records. For businesses that...

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Shopify and Slack Integration

What This Integration Does This integration sends Shopify store events (new orders, refund requests, inventory alerts, fulfilment updates, and abandoned checkouts) directly into your Slack channels as they happen. Your operations, support, and leadership teams see exactly what is happening in your store without anyone needing to watch the Shopify admin panel. Off-the-shelf Shopify-Slack connectors typically send basic order alerts...

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Shopify and WooCommerce Integration

What This Integration Does This integration synchronises product catalogues, inventory levels, orders, and customer data between a Shopify store and a WooCommerce store. Businesses that sell through both platforms, whether by design, through acquisition, or during a platform migration, need inventory to stay accurate across both, orders to be visible in one place regardless of where they were placed, and...

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Stripe and Slack Integration

What This Integration Does This integration delivers Stripe payment events into Slack channels as they occur. Successful charges, failed payments, subscription upgrades, cancellations, refunds, disputes, and payout completions all appear as formatted notifications in the channels where your team can act on them. Stripe’s native email notifications are limited to a fixed set of events, and they arrive in individual...

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About Our Integrations

Custom API Connections That Actually Work in Production

There is an important distinction between integration and automation. Tools like Zapier and Make let you connect platforms through a visual interface, triggering an event in one system and pushing data to another. That works for simple, low-stakes workflows. But when your billing system needs to reconcile with your accounting platform every night, when your CRM needs real-time order data from your e-commerce store, or when your team notifications need to fire reliably when a payment fails at 3am, surface-level automation breaks down. You need a proper integration: code that handles authentication, retries, error states, rate limits, and data transformation, running on infrastructure you control.

Every integration we deliver is a custom API connection between two specific platforms, built and maintained using production-grade patterns. These are not theoretical pairings or marketing permutations. They reflect the connections businesses actually need: payment processors talking to accounting software, e-commerce stores feeding customer data into CRMs, lead capture forms syncing with marketing platforms, notification systems routing business events to Slack, communication channels logging interactions back to your sales pipeline, AI services embedded into existing tools, and cross-platform sync keeping data consistent when your business runs on competing or complementary systems.

We build these integrations because they are the most common requirement in almost every client engagement. A business runs on six or seven SaaS tools. Each tool has an API. None of them talk to each other by default, so the business fills the gaps with manual data entry, CSV exports, or fragile Zapier chains that break when a field name changes. The result is wasted time, inconsistent data, and an operations team that spends more time maintaining workarounds than doing their actual jobs.

Our integration work follows the same patterns we use in our own products. The Client Dashboard processes payments through Stripe, syncs with accounting platforms, delivers real-time notifications through Slack, and handles AI operations through OpenAI. All of that runs through custom integrations we built and maintain. We know these APIs because we use them daily, not because we read their documentation once. When we say an integration is production-grade, it means it handles the edge cases that cause problems six months after deployment: expired tokens, changed webhook signatures, rate limit windows, upstream outages, and schema changes.

If you need to understand a specific platform’s API before looking at pairings, the APIs section covers each platform individually. If you want API integration as a service engagement with scoping, delivery, and support, API Integrations and System Integration cover that process. This section sits between those two: it covers specific platform-to-platform connections and explains what each one involves, what problems it solves, and how we deliver it.

Need Two Systems Connected?

We build custom API integrations that connect your platforms properly — with error handling, monitoring, and reliability built in.