Knit API Alternatives (September 2025)

Discover the power of Integration Labs' Unified API for accounting, payments, and e-commerce integrations. Test, launch, and scale API integrations faster with a Unified API.

Build once, maintain, and onboard in days, not months. Single API integration to add all HR, payroll, ticketing, accounting, ATS, CRM, SCIM and directory platforms.

Unified API - one API for HR, ATS, CRM, Accounting, Storage, MarTech, Enrichment, and Call Center integrations

Build native integrations fast with Truto. Integration is a solved problem. Why have your best engineers work on integrations when they can focus on architecture, design, and product?

Rapidly ship deep, secure HR Tech integrations with StackOne's innovative integrations platform.

Integrate email, calendar, contacts & tasks painlessly with Aurinko. Free trial, trusted by leading companies.

Unified APIs to build SaaS integrations. Launch the integrations your customers need in record time.

Apideck Ecosystem helps you build your app store and whitelabel marketplace in minutes instead of months.

Svix is the enterprise ready webhook service. Build a state of the art webhook platform in minutes with our hosted webhook SaaS or our open source project. Don't reinvent the wheel, use webhooks as a service.

Unlock the power of your communications data. The Nylas communication APIs remove complexity & empower teams to create seamless user experiences.

Codat's business data APIs connect banks and fintechs to all of the financial systems their customers use.

Our API Management platform is fast, scalable, modern. Including an open source API Gateway, Analytics, Dev Portal and Dashboard.

Discover 2-way integrations to empower your digital organization to sync securely in under 12 minutes with a no-code solution.

Integration platforms are too restrictive. Level up your the integration infrastructure of your SaaS product with our AI-powered framework.

Unlock seamless integrations and connect apps effortlessly with Workato's industry leading intelligent automation platform.

Advance your app's capabilities: Integrate LinkedIn and WhatsApp for streamlined messaging and improved user experience.

Connected systems make you faster, more efficient, and highly competitive. In today’s world of fast moving business, connectivity is power.

Meet Anypoint Platform, the only complete hybrid enterprise integration platform for SOA, SaaS and APIs. Anypoint Platform gives you the freedom to integrate what you want, when you want, whether its on-premises or in the cloud.

Kong is the most widely adopted API gateway and service mesh, powering the world’s APIs for modern architectures. Accelerate development and productivity today!

From signing to filing, it's never been easier or more affordable to engage customers with API toolkits from the leader in online legal services.

Alloy is an embedded integrations platform used by engineering and product teams to simplify & accelerate all aspects of integration development - from user-customizability to polling infrastructure.

Dramatically simplify API integrations with Tray connectors, the Connector Builder, and our Authentication and Projects features. Visit Tray.io to learn more.

Customizable HR Software Management for a better workplace. Select apps you need or unleash the potential of HR software to manage the full employee.

Power your applications with real-time payment data. Build innovative card-linking applications by connecting Visa, Mastercard and Amex cards to loyalty and marketing services all in one place.

Simplify API onboarding and consumption with an API Portal that’s purpose-built for API teams to create, secure, market, and monetize API products.

Klamp offers an Embedded iPaaS with no-code automation, allowing users to build & manage integrations.

Easily unify the management, security, and governance of both synchronous and asynchronous ecosystems with the leading open source API Management platform.

Developer APIs / SDKs for enterprise-ready features like Single Sign-On (SSO/SAML), Passwordless Authentication, Directory Sync (SCIM), Audit Trail (SIEM), and more. Get started for free.

Integrate with any Application, Services, API or Database, in minutes not months, using our No Code Platform, with 200+ pre-built connectors, reusable workflows and APIs. Great for Enterprise, perfect for SME’s.

Pliant’s API-driven orchestration platform automates, integrates, and connects the digital enterprise. With our low-code approach that transforms API code into deployment-ready action blocks, Pliant facilitates, integrates, and secures communication up and down the technology stack between platforms, services, and applications. Pliant accelerates traditionally manual tasks, eliminates silos, and reduces tool sprawl while accelerating innovation, productivity, and agility.

API Fuse is an embedded iPaaS solution purpose built for native integration. Deliver the product integrations your end users expect faster and focus on your core product instead of building and maintaining integration code.

Embedded iPaaS for B2B software companies. Integration platform to integrate with your customer's apps and add an integration marketplace to your SaaS product.

Discover Rapid's API Marketplace for easy API monetization and better API management. Learn about API testing tools and monetize your APIs effortlessly.

Conektto is the best API design platform online for building great APIs. We understand what it takes to create an awesome API that leverages modern technology

Nevatech Sentinet offers a flexible, lightweight and scalable API Management platform to help businesses maximize the value of their data. Try Nevatech Now!

The easiest way to add authentication and user management to your application. API-first & purpose-built for developers. Get started for free.

Build your very own omnichannel customer engagement platform with a no-code builder or customize it with Video, Voice, SMS, and chatbot APIs from EnableX.

Health API that enables you to integrate with wearables, such as Garmin, Fitbit, Apple, Google, Polar, Eight Sleep, Oura and Others through a single source

API integration Platform-as-a-Service (iPaaS) provides capabilities offered by ESBs, data integration systems, API management tools and B2B gateways.

Make your APIs easy to use and your developers successful.

Address all the needs of API providers with the ‘Management Portal’ and API users with the ‘Developer Portal’. Start opening your APIs to finance ecosystem in seconds and easily implement your API Business Model.

Commercient provides businesses with fast and flexible ERP & CRM integration apps that provide a 360-degree view of your business. Reach out to learn more.

Simple, scalable and reliable. Hosted realtime APIs loved by developers and trusted by giants. Build live dashboards, notifications, geotracking, chat and more.

Instantly generate APIs from any database with built-in enterprise security controls that operates on-premises, air-gapped, or in the cloud.

Peregrine Connect is an industry leading API, Application, and Workflow integration platform. Increase operational efficiency and reduce costs. Get a free 30 day trial. Learn more.

Leading Open Source API Development Platform for HTTP, REST, GraphQL, gRPC, SOAP, and WebSockets

Enterpret helps teams centralize and analyze customer feedback by using adaptive AI models to extract insights.

Zuplo is the API management platform for developers. Build, deploy, and scale APIs faster with Zuplo.

Discover how our AI Copilot at Worknet.ai streamlines your workflow. Enhance productivity and efficiency with our advanced AI tools. Visit us now!

250+ prebuilt workflows designed for sales and marketing teams that want to close deals faster, boost donations, and market more efficiently.

Breakthrough HR software that simply makes hiring and re-hiring easy. HR tools from applicant tracking to onboarding to 100% remote I-9 forms

WSO2 Micro Integrator is a robust and lightweight integration solution that simplifies digital transformation by offering seamless connectivity, flexible deployment options, API / event-driven integrations, and powerful data transformation capabilities with debugging and testing support.

Synatic is a unified platform that enables your business to integrate and automate systems and services without sacrificing enterprise features and security.

A powerful CMS, BaaS, and more. Power any project with Directus – a composable data platform to easily create and deploy data-rich apps.

Automated compliance management software to help you efficiently grow from one security framework to many, including SOC 2, ISO 27001, NIST, and PCI.

Capture and leverage buying committee data with Nektar.ai. The only scalable solution to enhance reporting in Salesforce and Snowflake, empowering data-driven decisions at every business.

APPSeCONNECT - A world-class application integration platform that offers seamless BPA across on-premise & cloud LOB applications to accelerate business growth.

Retool is the fastest way to build internal software. Use Retool's building blocks to build apps and workflow automations that connect to your databases and APIs, instantly.

The most secure no-code integration platform ZigiOps. Connect ServiceNow, Jira, BMC, and 50+ apps in a few clicks.

Design your own White Label Client / Customer Portal access w/ Secure Login : Fully branded Dashboard & Email Notifications

The Trusted Developer Experience platform for APIs. Achieve faster API onboarding via automatic SDKs, docs, code samples, and guided walkthroughs.

TrustCloud’s Programmatic and Predictive AI is the fastest way to accurately pass compliance audits, automate risk assessments, and complete security questionnaires

Design career levels, skills and expectations. Help everyone demonstrate and track their growth.

Strike Graph ensures a streamlined, reliable, and quick path to achieve SOC 2, ISO 27001, HIPAA, and PCI DSS certifications. Connect with security experts

Integrating an applicant tracking system (ATS) with customer relationship management (CRM) PCRecruiter is the all-in-one recruitment software.

Build and launch native software integrations. We handle integration infrastructure for you, so you can build easier, launch faster, and generate ROI sooner.

The suite of integrated accessibility tools for your product design and development team • Making the world’s products accessible.

Transform your payments with Dwolla's unified solution. Streamline operations, save costs, and enhance security. Powering industries like insurance, lending, real estate, healthcare, and manufacturing. Schedule a consultation now.

Get started for free and integrate WebRTC video calls into your website or app using the Whereby API and SDK.

Quickly achieve & manage compliance with over 100 of the most in-demand standards: ISO 27001, SOC 2, GDPR, NIST & more. Get certified faster with ISMS.online.

Quickly see all of your endpoints, your slow endpoints, and your endpoints with errors.

At MangoApps, we're committed to transforming work experiences through innovation, customizability, security, and care. Our all-in-one solution empowers both office-based and frontline employees, nurturing prosperity and genuine human connection.

Use Swan's APIs and ready-made white-label interfaces to embed banking features like accounts, cards, and payments into your workflows and UX.

Modern recruiting software for RPO, PEO, Executive Search & Staffing Agencies. BrightMove is the only Applicant Tracking System designed specifically for RPO.

Ostendio is the only integrated security and risk management platform that leverages the strength of your greatest asset. Your people.

AgentSync's insurance compliance software automatically enforces state producer licensing and appointment regulatory requirements. See how our modern insurance compliance solutions can benefit you.

Apiary provides the leading API-First platform designed specifically to help companies accelerate and control the design, development, and documentation of APIs.

Secure cloud storage with SFTP/FTPS/S3/HTTP file access designed for smooth and easy data transfer.

Start the conversation on your website, stay in touch through messaging apps. √ Website chat √ Chatbots √ GDPR √ WhatsApp & more

Empower your workforce with Celigo's next-gen integration platform. It unifies all your apps and data—so you can automate and optimize every business process.

The Tangle platform delivers speed, scalability and security in a developer friendly manner. It does this by leveraging the best open standards in the industry, to provide powerful capabilities which have been tailored to ensure you can deliver powerful enterprise apps, fast.

Automate your workflow by integrating the apps you use every day. No-code integration platform with 600+ available apps and 170,000+ automation scenarios. Try for Free Now!

Build an AI chatbot from your knowledge base and add it to your website or interact with it through our API.

Use ChatGPT with enhanced features like chat history search, folders, integrations, prompt library, etc.

By developers, for developers. Everything you need to ship and scale applications. Your one-stop shop to bridge WEB2 to WEB3.

Free IP Geolocation API, the most accurate data, use our API to quickly and easily integrate the location of visitors into your script or website.

Automate transactions like real-time eligibility checks and claims processing with developer-friendly, JSON-based APIs that support thousands of payers.

Appwrite is an open-source platform for building applications at any scale, using your preferred programming languages and tools.

MTCaptcha: GDPR-compliant enterprise captcha service prioritizing accessibility and privacy. Offering advanced AI security, it serves as a cost-effective alternative to reCAPTCHA v2 and v3. Trusted by enterprises, small businesses, and startups alike for bot protection, prevention of human abuse, and fraud mitigation. As an independent captcha service, MTCaptcha is utilized by global enterprises. Hundreds of enterprises rely on MTCaptcha to safeguard their online services

HockeyStack enables marketing teams to drive pipeline efficiently and sales teams to close deals faster with modern attribution, holistic buyer journeys, and account insights.

With our banking APIs you can integrate your business with our financial services and make it grow. Find the right API and solution for your business here.

Boomi iPaaS solutions help you power the future of your business with intelligent integration and automation. Connect everything, everywhere, with Boomi.

Explore a highly curated API marketplace focused on reliability, scalability, and quality. Access AI & Machine Learning, Content, Finance, Stock, and more APIs.

Connect design and engineering data in a single design system tool. Supernova adapts to your company's needs and enables your teams to accelerate and scale product development.

Improve efficiency and scalability with DASH, a comprehensive and customizable job management solution for the restoration industry. Request a demo!

Effiziente Software für HR Management und Recruiting - individuell anpassbar. Verwalten Sie Urlaub, Gehälter und Bewerber in nur einem Tool. Jetzt testen!

Mitigate privacy risk in real-time and at scale. Get full data visibility and continuously govern data flows for websites, apps, and backend systems.

Connect your B2B eCommerce solution with 40+ shopping platforms and marketplaces at once. Strengthen your business with shopping cart API integration.

Non-Techie? Integrate your apps in 1 click. All you need to do is activate the automation. 42,000+ customers. Live chat support. Less expensive. Get started for free.