# Kumar Harsh, . — Apideck > . URL: https://www.apideck.com/author/kumar-harsh --- Menu Products[Unified APIs](/products/unify)Build native integrations through our scalable Unified APIs [Accounting API](/accounting-api)[HRIS API](/hris-api)[CRM API](/crm-api)[Ecommerce API](/ecommerce-api)[File Storage API](/file-storage-api)[ATS API](/ats-api)[Issue Tracking API](/issue-tracking-api) [View all integrations](/integrations) [Integrations Marketplace](/integrations-marketplace)Showcase integrations, partners, and apps to your customers Solutions[By customer case](/customer-cases)[Round Treasury](/customer-cases/roundtreasury-accounting-unify-integration)[Octa](/customer-cases/octa-ai-finance-accounting-integration)[Aikido](/customer-cases/aikido-powering-developer-first-security-integrations-at-scale)[Derive](/customer-cases/derive-erp-accounting-integration)[Kintsugi](/customer-cases/kintsugi-tax-compliance-integration)[Roopairs](/customer-cases/roopairs-quickbooks-online-integration)[View all](/customer-cases) [By use case](/use-cases)[Accounts Payable](/use-cases/accounts-payable-automation)[Accounts Receivable](/use-cases/accounts-receivable-automation)[Business Lending](/use-cases/business-lending-loan-underwriting)[Corporate Gifting](/use-cases/corporate-gifting)[Employee onboarding](/use-cases/accelerate-employee-onboarding-offboarding)[View all](/use-cases) [By industry](/industries)[B2B FinTech](/industries/fintech)[AgTech](/industries/agtech)[Banking](/industries/banking)[ConstructionTech](/industries/constructiontech)[HRTech](/industries/hrtech)[View all](/industries) ResourcesFor Developers[API Documentation](https://developers.apideck.com)[Integrations](/integrations)[SDKs](https://developers.apideck.com/sdks)[API Explorer](https://developers.apideck.com/api-explorer)[Samples](/samples) Learn & Explore[Blog](/blog)[Field Mapping](/custom-field-mapping)[Webhooks](/webhooks)[Auth](/products/vault)[Platform Maturity Model](/platform-maturity-model) More Resources[API Tracker](https://apitracker.io)[Open Banking Tracker](https://www.openbankingtracker.com)[Compliance Portal](https://compliance.apideck.com) [Pricing](/pricing)[Login](https://platform.apideck.com/api/auth/login) ThemeToggle theme [Talk to an expert](/demo-request?from=mobile-nav)[Get started for free](/signup) - [Products](/products/unify) - [Solutions](/customer-cases) - [Resources](#) - [Pricing](/pricing) - [Login](https://platform.apideck.com/api/auth/login) - - [Get started for free](/signup) - Toggle theme - [Home](/) - / - [Blog](/blog) - / - Kumar Harsh Author # Kumar Harsh ., . . ## Posts by Kumar Harsh - [ Why Building Native Integrations In-House Is Slowing Your Product Down Building integrations in-house feels smart at first, until it slows your entire product down. This article reveals the hidden costs of native integrations and shows how unified APIs let you scale faster, cut maintenance, and keep your team focused on what really matters. Kumar Harsh Sep 17, 2025·9 min read ](/blog/why-building-native-integrations-in-house-is-slowing-your-product-down) - [ How Fintech Startups Can Integrate with 40+ Accounting Platforms Using a Single API Building and maintaining direct integrations with 40+ accounting platforms like QuickBooks, Xero, NetSuite, and Sage drains time, slows your go-to-market, and piles up technical debt. This article breaks down why a unified API is the smarter path for fintechs, with cost comparison data, an invoice push workflow walkthrough, and how Apideck simplifies authentication, standardizes data, and absorbs constant API updates across all platforms. Kumar Harsh Sep 2, 2025·11 min read ](/blog/how-fintech-startups-can-integrate-with-20-plus-accounting-platforms-using-a-single-api) US 🇺🇸 [95 Third Street, 2nd Floor San Francisco, CA 94103, USA](https://www.google.com/maps/place/95+Third+Street+2nd+Floor,+San+Francisco,+CA+94103,+USA/) EU 🇪🇺 [Broederminstraat 9, 2018 Antwerp, Belgium](https://www.google.com/maps/dir/51.1770624,4.358144/Broederminstraat+9,+2018+Antwerpen) VAT: BE 0689.615.164 [hello@apideck.com](mailto:hello@apideck.com) [](/blog/soc-2-type-2-compliant) #### Products - [Accounting API](/accounting-api) - [HR API](/hris-api) - [CRM API](/crm-api) - [ATS API](/ats-api) - [Issue Tracking API](/issue-tracking-api) - [File Storage API](/file-storage-api) - [Ecommerce API](/ecommerce-api) - [ERP API](/erp-api) - [Auth Management](/products/vault) - [Integrations Marketplace](/integrations-marketplace) - [Pricing](/pricing) - [About](/about) - [Contact](/contact) - [Status](https://status.apideck.com) - [Jobs](https://jobs.apideck.com) #### Customer cases - 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