Platform Integration Services

QuickBooks Online is the leading cloud accounting platform used by over 7 million small businesses worldwide. Integrating with QuickBooks Online automates financial workflows, eliminates manual data entry, and ensures accounting accuracy. Our fractional CTOs have built dozens of QuickBooks integrations for SaaS companies, e-commerce platforms, and service businesses. We navigate QuickBooks' complex accounting data model (customers, invoices, payments, journal entries, chart of accounts), implement proper OAuth flows for multi-tenant access, and ensure your integration handles edge cases like partial payments, refunds, and tax calculations correctly. Whether you need simple invoice automation, complex revenue recognition workflows, or multi-entity consolidation, we bring deep expertise in both accounting principles and QuickBooks' technical implementation requirements.

Xero is a leading cloud-based accounting platform serving over 3 million subscribers globally, particularly popular in UK, Australia, and New Zealand markets. Integrating with Xero enables automated invoicing, expense tracking, bank reconciliation, and international multi-currency accounting workflows. Our fractional CTOs have built Xero integrations for SaaS companies, e-commerce platforms, and international businesses requiring multi-currency accounting. We navigate Xero's OAuth 2.0 authentication, implement proper double-entry accounting logic using Xero's API, handle international tax requirements (VAT, GST), and ensure compliance with regional accounting standards. Whether you need simple invoice automation, complex project-based billing, multi-entity consolidation, or international tax reporting, we deliver robust Xero integrations that automate financial workflows while maintaining accounting accuracy and compliance.

Google Analytics 4 represents a fundamental shift from Universal Analytics to an event-based measurement model. Implementing GA4 correctly requires understanding the new event-driven paradigm, custom dimension configuration, cross-platform tracking, and privacy-first measurement approaches. Our fractional CTOs have migrated dozens of companies from Universal Analytics to GA4, implementing sophisticated event taxonomies, server-side tracking via Measurement Protocol, BigQuery exports for custom analysis, and privacy-compliant tracking strategies. We ensure your GA4 implementation provides actionable insights while respecting user privacy and preparing your analytics infrastructure for a cookieless future. Whether you need basic pageview tracking or complex multi-touch attribution with custom machine learning models, we bring battle-tested expertise in modern analytics implementation.

Segment is the leading customer data platform (CDP) that collects, standardizes, and routes user data to hundreds of marketing, analytics, and data warehouse tools. Implementing Segment correctly creates a single source of truth for customer data across your entire technology stack. Our fractional CTOs have architected Segment implementations for companies ranging from early-stage startups to public companies processing billions of events monthly. We design comprehensive event tracking specifications, implement server-side and client-side SDKs, configure intelligent destination routing, leverage Segment's Personas for identity resolution, and integrate with data warehouses for advanced analytics. Whether you need to consolidate fragmented analytics tools, implement privacy-compliant tracking, or build unified customer profiles across channels, we deliver Segment implementations that provide data infrastructure for growth.

Mixpanel is a powerful product analytics platform designed specifically for understanding user behavior and product engagement. Unlike traditional web analytics, Mixpanel focuses on event-based tracking enabling deep funnel analysis, cohort retention studies, and user journey mapping. Our fractional CTOs have implemented Mixpanel for hundreds of products across SaaS, mobile apps, and e-commerce platforms. We design comprehensive event taxonomies, implement cross-platform tracking (web, iOS, Android, server), configure advanced features like group analytics for B2B products, and build custom dashboards answering your specific product questions. Whether you need basic event tracking, complex multi-step funnel optimization, or predictive analytics using Mixpanel's machine learning features, we deliver implementations that turn user data into actionable product insights driving growth.

Auth0 is a leading identity and access management platform providing secure authentication and authorization for modern applications. Implementing Auth0 correctly requires understanding OAuth 2.0 and OpenID Connect flows, token management, multi-factor authentication, and enterprise identity federation. Our fractional CTOs have implemented Auth0 for SaaS platforms, mobile applications, and enterprise systems requiring SOC 2 and compliance certifications. We implement secure login flows, configure social and enterprise identity providers, build custom authentication experiences with Auth0's Universal Login, and integrate RBAC (role-based access control) with your application logic. Whether you need simple social login, complex B2B enterprise SSO with SAML/OIDC, or a complete identity platform with MFA and passwordless authentication, we deliver Auth0 implementations following security best practices and compliance requirements.

Slack has become the central communication hub for modern teams, and integrating your products or internal tools with Slack can dramatically improve team productivity and product adoption. Our fractional CTOs have built sophisticated Slack apps ranging from simple notification bots to complex interactive applications using Block Kit, slash commands, modals, and the Events API. We understand Slack's app architecture options (classic apps vs Slack apps, workspace apps vs org-wide deployments), OAuth flows for multi-workspace distribution, and the nuances of Slack's real-time messaging APIs. Whether you need a custom bot for internal automation, a customer-facing integration for your SaaS product, or a Slack App Directory listing to expand your market reach, we bring deep expertise in building reliable, user-friendly Slack integrations that teams love using.

Twilio is the leading cloud communications platform, powering SMS, voice, video, and WhatsApp messaging for companies worldwide. Implementing Twilio correctly requires understanding carrier compliance requirements (especially A2P 10DLC for SMS), optimizing message deliverability, managing global phone number provisioning, and building reliable webhook handlers. Our fractional CTOs have implemented Twilio for everything from simple two-factor authentication to complex contact center platforms handling thousands of concurrent calls. We navigate Twilio's extensive API surface (SMS, Voice, Video, Verify, SendGrid Email), implement proper TwiML for call flows, optimize pricing across message types and regions, and ensure compliance with carrier regulations to prevent message blocking. Whether you need SMS notifications, voice calling, WhatsApp business messaging, or video conferencing, we bring deep expertise in building scalable, cost-efficient Twilio integrations.

SendGrid is a leading cloud-based email delivery platform handling over 100 billion emails monthly for companies like Uber, Spotify, and Airbnb. Implementing SendGrid correctly requires understanding email authentication (SPF, DKIM, DMARC), deliverability optimization, template management, webhook event handling, and compliance with email regulations. Our fractional CTOs have implemented SendGrid for SaaS platforms, e-commerce companies, and high-volume transactional senders. We design scalable email architectures using SendGrid's Web API or SMTP relay, implement sophisticated template systems with dynamic content, optimize deliverability through proper IP warming and sender reputation management, and build comprehensive webhook handlers for tracking email events. Whether you need reliable transactional email delivery, marketing campaign automation, or white-label email solutions for multi-tenant applications, we deliver production-ready SendGrid integrations that ensure your emails reach the inbox.

Salesforce is the world's leading CRM platform, but integrating it with your product or internal systems can be complex. Whether you need to sync customer data bidirectionally, build custom Salesforce apps, implement complex automation with Apex, or integrate with AppExchange products, our fractional CTOs bring deep Salesforce technical expertise. We've architected integrations handling millions of records, built custom Lightning components, and implemented sophisticated workflows across the Salesforce ecosystem. Our approach ensures your Salesforce integration is scalable, maintainable, and aligned with Salesforce best practices.

HubSpot provides a comprehensive CRM and marketing automation platform with powerful APIs. Our fractional CTOs have extensive experience integrating HubSpot with SaaS products, custom applications, and third-party tools. Whether you need bidirectional contact sync, custom workflow automation, or integration with your product analytics, we ensure your HubSpot integration is robust, scalable, and delivers real business value. We handle the complexities of HubSpot's API rate limits, property mapping, and webhook reliability so you can focus on leveraging HubSpot's capabilities.

Pipedrive is a sales-focused CRM designed around pipeline management. Our fractional CTOs build robust Pipedrive integrations that sync deal data, automate sales workflows, and connect Pipedrive with your product ecosystem. Whether you need custom field mapping, automated lead capture, or integration with your billing system, we ensure your Pipedrive integration supports your sales team's workflow without technical friction.

Zoho CRM offers a comprehensive feature set at competitive pricing, making it popular with SMBs and growing companies. Our fractional CTOs navigate Zoho's extensive API ecosystem to build integrations that sync data reliably, automate workflows, and connect Zoho with your broader tech stack. From simple lead capture to complex multi-module integrations across Zoho One suite, we deliver solutions that scale with your business.

Microsoft Dynamics 365 is an enterprise-grade CRM and ERP platform deeply integrated with the Microsoft ecosystem. Our fractional CTOs have extensive experience with Dynamics 365 integrations, from simple data sync to complex Power Platform solutions leveraging Power Apps, Power Automate, and Azure services. We navigate the complexities of Dynamics' data model, security model, and plugin architecture to deliver enterprise-scale integrations.

Freshsales provides modern CRM capabilities with built-in phone, email, and AI-powered lead scoring. Our fractional CTOs build Freshsales integrations that connect your sales process with marketing automation, support systems, and custom applications. We leverage Freshsales' modern API and webhook infrastructure to create reliable, scalable integrations that support high-velocity sales teams.

Close is built for inside sales teams with native calling, emailing, and SMS. Our fractional CTOs create integrations that enhance Close's workflow-driven approach, connecting it with your product data, marketing systems, and business intelligence tools. We build solutions that maintain Close's simplicity while extending its capabilities through thoughtful integration architecture.

Copper CRM is built natively for Google Workspace with deep Gmail and Calendar integration. Our fractional CTOs build Copper integrations that enhance its Google-native capabilities while connecting to your broader tech stack. From simple data sync to complex workflow automation, we ensure your Copper integration maintains the platform's ease-of-use while adding powerful capabilities.

Monday Sales CRM offers visual pipeline management with Monday.com's flexible board structure. Our fractional CTOs build integrations that leverage Monday's powerful automation and customization capabilities while connecting to external systems. We create solutions that maintain Monday's visual simplicity while adding robust data synchronization and workflow automation.

Insightly combines CRM with project management capabilities, making it popular for services businesses. Our fractional CTOs build integrations that leverage Insightly's unified data model, connecting customer relationships with project delivery. We create solutions that sync data across your tech stack while maintaining Insightly's CRM-to-project workflow.

Nutshell provides straightforward CRM with powerful sales automation and reporting. Our fractional CTOs build Nutshell integrations that connect your sales process with marketing, support, and analytics tools. We create reliable integrations that enhance Nutshell's ease-of-use while adding sophisticated automation capabilities.

Keap (formerly Infusionsoft) combines CRM with advanced marketing automation and e-commerce capabilities. Our fractional CTOs build integrations that leverage Keap's powerful campaign builder and automation features while connecting with your product and business systems. We navigate Keap's comprehensive API to create solutions for small businesses needing sophisticated marketing automation.

ActiveCampaign provides powerful marketing automation with CRM capabilities, popular for its sophisticated email campaigns and automation workflows. Our fractional CTOs build integrations that connect product data with ActiveCampaign's automation engine, enabling behavior-based marketing at scale. We create solutions that leverage ActiveCampaign's deep segmentation and personalization features.

Zendesk Sell (formerly Base CRM) provides sales automation with native integration to Zendesk Support. Our fractional CTOs build integrations that unify sales and support data, creating a complete customer view. We leverage Zendesk's ecosystem to create seamless experiences across sales, support, and success teams.

Zendesk Support is a leading customer service platform used by over 160,000 companies worldwide. Integrating your product with Zendesk enables automated ticket creation, bidirectional customer data sync, enhanced agent workflows with contextual customer information, and comprehensive support analytics. Our fractional CTOs have built sophisticated Zendesk integrations for SaaS platforms, e-commerce companies, and enterprise support organizations. We navigate Zendesk's extensive API surface (Core API, Support API, Help Center API), implement proper OAuth flows, build custom apps for the Zendesk marketplace, and leverage Zendesk's Sunshine platform for advanced customization. Whether you need simple ticket creation from your app, complex multi-brand support workflows, or a complete omnichannel support platform integration, we deliver robust Zendesk integrations that improve customer satisfaction and agent productivity.

Intercom is a leading customer communication platform combining live chat, product tours, targeted messaging, and customer support in one tool. Implementing Intercom effectively requires understanding user segmentation, event-based messaging triggers, conversation routing, and bidirectional data synchronization. Our fractional CTOs have built sophisticated Intercom integrations for SaaS companies, e-commerce platforms, and mobile applications. We implement the Intercom Messenger SDK, configure automated messaging campaigns based on user behavior, build custom chatbot workflows, and synchronize customer data between your product and Intercom. Whether you need contextual in-app messaging, automated onboarding sequences, or a complete customer support platform integrated with your product data, we deliver Intercom implementations that drive engagement and reduce support burden.

GitHub is the world's leading platform for version control and collaborative software development, hosting over 100 million repositories. Integrating with GitHub enables powerful automation workflows, custom development tools, code quality enforcement, and seamless CI/CD pipelines. Our fractional CTOs have built sophisticated GitHub integrations ranging from automated code review bots to complete DevOps platforms using GitHub Actions, webhooks, and the Checks API. We understand the differences between GitHub Apps (recommended) and OAuth Apps, implement proper webhook security, optimize GraphQL queries for rate limit efficiency, and ensure your integration follows GitHub's best practices for marketplace distribution. Whether you need automated testing workflows, custom deployment pipelines, security scanning integration, or a developer productivity tool, we deliver GitHub integrations that enhance engineering team efficiency.

Jira is the world's most popular project management and issue tracking tool, used by over 65,000 companies for agile development workflows. Integrating Jira with your product or development tools enables automated workflow management, bidirectional data sync, custom reporting, and seamless development-to-deployment tracking. Our fractional CTOs have built sophisticated Jira integrations ranging from simple ticket creation from customer support tools to complete DevOps automation platforms syncing Jira with GitHub, CI/CD pipelines, and production monitoring. We navigate Jira's extensive REST API, implement proper OAuth flows, build custom Jira apps and workflows, and leverage Jira's automation capabilities. Whether you need customer feedback routing to Jira, automated sprint reporting, or a complete development workflow integration ecosystem, we deliver Jira implementations that improve engineering team efficiency and project visibility.

Shopify powers over 4 million e-commerce stores worldwide, but building custom integrations and apps requires deep understanding of Shopify's unique architecture, Liquid templating engine, API rate limits, and app store requirements. Our fractional CTOs have built dozens of Shopify integrations, from simple order sync tools to complex multi-channel inventory management systems and headless commerce implementations. We navigate Shopify's REST and GraphQL Admin APIs, implement proper webhook handling for real-time event processing, and ensure your integration meets Shopify's stringent app store guidelines. Whether you need to sync orders to your fulfillment system, build a custom checkout experience, implement advanced product variant logic, or create a complete headless Shopify storefront, we bring expertise in both Shopify's platform quirks and modern e-commerce best practices.

WooCommerce powers over 28% of all online stores worldwide, making it the most popular e-commerce platform. Built on WordPress, WooCommerce provides extensive customization capabilities but requires deep understanding of WordPress architecture, WooCommerce hooks and filters, REST API implementation, and performance optimization for high-traffic stores. Our fractional CTOs have built dozens of WooCommerce integrations ranging from simple order synchronization to complex multi-channel inventory systems and custom checkout experiences. We navigate WooCommerce's REST API, implement proper webhook handling, optimize database performance for large product catalogs, and build custom plugins following WordPress coding standards. Whether you need to sync orders with your fulfillment system, build custom payment gateways, implement advanced product variations, or create a headless WooCommerce storefront, we deliver robust integrations that scale with your business.

Plaid is the leading financial data network enabling applications to connect with users' bank accounts for payments, transaction data, and identity verification. Implementing Plaid correctly requires understanding OAuth-based bank authentication, webhook event handling, data security requirements, and compliance with financial regulations. Our fractional CTOs have implemented Plaid for fintech startups, lending platforms, personal finance apps, and payment processors. We integrate Plaid Link for seamless bank authentication, process transaction data for categorization and insights, implement ACH payment initiation via Plaid Auth, and ensure compliance with SOC 2, PCI DSS, and financial data handling requirements. Whether you need bank account verification for payments, transaction history for budgeting apps, or identity verification for KYC compliance, we deliver secure, reliable Plaid integrations following fintech best practices.

Mailchimp is one of the world's leading email marketing platforms, serving over 12 million users worldwide. Integrating your product with Mailchimp enables automated audience management, behavioral email campaigns, and sophisticated customer journey automation. Our fractional CTOs have built comprehensive Mailchimp integrations for SaaS platforms, e-commerce stores, and content publishers. We navigate Mailchimp's Marketing API v3, implement proper audience segmentation with tags and merge fields, handle subscriber lifecycle management, and ensure compliance with anti-spam regulations (CAN-SPAM, GDPR). Whether you need simple newsletter signup integration, complex abandoned cart workflows, or advanced customer journey automation based on product behavior, we deliver reliable Mailchimp integrations that drive engagement and revenue.

Klaviyo is the leading marketing automation platform built specifically for e-commerce, powering email and SMS campaigns for brands like Unilever, Custom Ink, and Huckberry. Implementing Klaviyo effectively requires deep understanding of e-commerce customer journeys, event-driven automation, customer data models, and revenue attribution. Our fractional CTOs have built sophisticated Klaviyo integrations for Shopify stores, custom e-commerce platforms, and omnichannel retailers. We implement comprehensive event tracking capturing every customer touchpoint, design advanced segmentation strategies, build automated email and SMS flows optimizing for conversion and retention, and integrate Klaviyo with e-commerce platforms for real-time synchronization. Whether you need abandoned cart recovery, post-purchase sequences, customer win-back campaigns, or predictive analytics for customer lifetime value, we deliver Klaviyo implementations that drive measurable revenue growth.

Datadog is a comprehensive observability platform providing infrastructure monitoring, application performance monitoring (APM), log management, and security monitoring for cloud-scale applications. Implementing Datadog effectively requires understanding distributed tracing, metrics aggregation, log correlation, and alert configuration best practices. Our fractional CTOs have implemented Datadog for startups to Fortune 500 companies, monitoring everything from serverless functions to multi-region Kubernetes clusters processing billions of requests daily. We implement comprehensive instrumentation using Datadog agents and APM libraries, design custom dashboards answering specific operational questions, configure intelligent alerting reducing alert fatigue, and integrate Datadog with incident management tools. Whether you need basic infrastructure metrics, deep application tracing, security monitoring, or complete observability for microservices architectures, we deliver Datadog implementations providing visibility to prevent and resolve production issues quickly.

Stripe is the leading payment processing platform for modern businesses, but implementing it correctly requires deep understanding of payment flows, security compliance (PCI DSS), subscription billing logic, and webhook handling. Our fractional CTOs have implemented Stripe for everything from simple checkout flows to complex multi-currency subscription platforms with usage-based billing. We ensure your Stripe integration is secure, compliant, handles edge cases properly, and provides the reporting and reconciliation capabilities your finance team needs. Whether you're implementing Stripe Checkout, building a custom payment flow with Elements, or integrating Stripe Billing for subscriptions, we bring battle-tested expertise.

Amazon S3 (Simple Storage Service) is the world's most widely used cloud object storage service, storing trillions of objects for millions of applications. Implementing S3 correctly requires deep understanding of bucket policies, IAM permissions, encryption options, lifecycle management, and cost optimization strategies. Our fractional CTOs have architected S3 solutions ranging from simple file upload systems to petabyte-scale data lakes serving millions of users. We implement secure direct-to-S3 uploads using presigned URLs, design multi-region replication for high availability, optimize storage costs with intelligent tiering and lifecycle policies, and integrate S3 with CloudFront for global content delivery. Whether you need user file storage, media processing pipelines, data backup and archival, or a complete data lake architecture, we deliver secure, scalable, cost-efficient S3 integrations following AWS best practices.