Feature

Plugin & Extension Architecture

Extend the platform with custom plugins.

52 providers 1587 APIs 31 declared variants

A documented extension point — plugins, apps, custom actions, or middleware — lets teams add behavior the vendor did not ship. Determines whether edge cases require a roadmap request.

52 API providers on the APIs.io network offer plugin & extension architecture. The highest-rated are Confluence, Vapi, Jira, Adyen, Atlassian.

Providers

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Exemplar 7 Complete, well-documented, and agent-ready
Confluence APIs for Atlassian Confluence - team collaboration and knowledge management software. 66 APIs 79.3 Vapi Vapi is a San Francisco-based voice AI platform that lets developers build real-time, low-latency voice age... 15 APIs 75.7 Jira APIs for Atlassian Jira project management and issue tracking platform. 12 APIs 73.0 Adyen Adyen is a global payment company that provides businesses with a single platform to accept payments from c... 202 APIs 72.3 Atlassian Atlassian is a software company that develops collaboration, productivity, and project management tools to ... 359 APIs 69.4 Amazon Security Hub AWS Security Hub is a cloud security posture management service that provides a comprehensive view of your ... 5 APIs 67.2 Adobe Photoshop Adobe Photoshop is the industry-standard image editing and digital design application. Its developer platfo... 16 APIs 67.0
Strong 18 Solid coverage with minor gaps
Adobe Premiere Pro APIs for Adobe Premiere Pro, a professional video editing software that enables programmatic access to vide... 4 APIs 64.9 Adobe Creative Cloud Adobe Creative Cloud is a suite of software and cloud services for graphic design, video editing, web devel... 24 APIs 63.2 Zoom Zoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom... 47 APIs 63.2 Tyk Tyk is an open-source API gateway and management platform supporting REST, GraphQL, gRPC, and Async APIs wi... 39 APIs 63.1 Heroku Heroku is a cloud platform as a service (PaaS) that enables developers to build, run, and operate applicati... 14 APIs 63.0 Looker Looker is a business intelligence and data analytics platform that enables organizations to explore, analyz... 10 APIs 63.0 Adobe Creative Suite Adobe Creative Suite is a collection of professional software applications for graphic design, video editin... 38 APIs 62.3 Regal Regal is a New York City-based AI Agent Platform purpose-built for contact center operations. The Regal pla... 8 APIs 62.3 Pipedrive Pipedrive is a sales CRM and pipeline management tool focused on small and mid-market teams. The Pipedrive ... 48 APIs 60.6 Bitbucket Bitbucket is a Git-based source code repository hosting service owned by Atlassian offering both commercial... 23 APIs 60.1 Kong Kong is the AI Connectivity Company. Its platform spans Kong Gateway (the open-source API gateway built on ... 139 APIs 59.6 ServiceTitan ServiceTitan is the operating system for the trades — all-in-one field service management software for resi... 55 APIs 58.9 Amazon CodePipeline AWS CodePipeline is a fully managed continuous delivery service that helps you automate your release pipeli... 41 APIs 58.5 Apache OFBiz Apache OFBiz is an open-source enterprise resource planning (ERP) system providing a suite of integrated bu... 2 APIs 58.0 Rippling Rippling is a unified workforce platform spanning HR, IT, and Finance with programmable APIs for employees,... 22 APIs 58.0 Amazon EKS Amazon Elastic Kubernetes Service (Amazon EKS) is a managed Kubernetes service that makes it easy to run Ku... 4 APIs 57.5 Lunar Lunar is an enterprise-grade API management and AI control plane platform that provides a unified gateway f... 8 APIs 57.0 Lunar.dev Lunar.dev is an enterprise-grade gateway platform for AI governance and third-party API consumption control... 5 APIs 57.0
Developing 16 Usable, with meaningful gaps to close
Supabase Supabase is an open-source Firebase alternative that provides a suite of backend services built on top of P... 21 APIs 55.8 1NCE 1NCE is a Cologne-headquartered global IoT connectivity provider best known for the IoT Lifetime Flat — a s... 22 APIs 55.1 Ashby Ashby is an all-in-one talent strategy platform combining ATS, sourcing, scheduling, and analytics. The Ash... 53 APIs 55.0 Google Apps Script The Apps Script API provides programmatic access to manage Google Apps Script projects, deployments, and ex... 4 APIs 54.1 Backstage Backstage is an open-source developer portal platform created by Spotify. It provides a centralized softwar... 13 APIs 53.9 Apache APISIX Apache APISIX is a dynamic, real-time, high-performance cloud-native API gateway built on NGINX and etcd, d... 18 APIs 53.4 Front Front is a customer operations platform unifying shared inboxes, chat, SMS, social, and CRM workflows. Fron... 39 APIs 52.2 Workable Workable is an end-to-end hiring platform with ATS, AI sourcing, employer branding, video interviewing, ass... 33 APIs 51.7 Argo Workflows Argo Workflows is an open-source, container-native workflow engine for orchestrating parallel jobs on Kuber... 11 APIs 51.6 Apache JMeter Apache JMeter is an open-source Java application designed for load testing functional behavior and measurin... 4 APIs 50.3 Apache Guacamole Apache Guacamole is a clientless remote desktop gateway that supports standard protocols like VNC, RDP, and... 7 APIs 50.2 Grafana Grafana Labs builds the open and composable observability stack used by millions of engineers to visualize,... 20 APIs 50.0 Ricoh USA Ricoh USA is the United States operating company of Ricoh Co., Ltd. — a global imaging, printing, document ... 4 APIs 49.8 Close Close is an inside-sales CRM with calling, email, SMS, and WhatsApp built in. The Close API exposes leads, ... 62 APIs 49.3 Monday.com An expressive API to interact with your workflows, automate processes, power integrations, and more! 2 APIs 46.0 Apache Cordova Apache Cordova is an open-source mobile development framework governed by the Apache Software Foundation th... 1 API 45.7
Thin 7 Limited public surface area
Aladdin Studio Aladdin Studio is BlackRock's developer platform enabling institutional investors, asset managers, and weal... 10 APIs 41.2 agilent-technologies Agilent Technologies is a global leader in life sciences, diagnostics, and applied chemical markets, provid... 10 APIs 38.4 AutoRest AutoRest is an open source tool from Microsoft (MIT License) that generates client libraries for accessing ... 6 APIs 35.8 YARN YARN (Yet Another Resource Negotiator in the original Hadoop context; also the JavaScript package manager) ... 2 APIs 34.2 AWS CLI The AWS Command Line Interface (AWS CLI) is a unified tool to manage AWS services from the command line. Wi... 1 API 31.2 Yarn Yarn is an open-source JavaScript package manager and project manager originally created at Facebook in 201... 10 APIs 30.0 Autodesk Maya Autodesk Maya is a comprehensive 3D computer graphics application used for creating interactive 3D applicat... 5 APIs 28.1
Emerging 4 Early or largely undocumented
Artillery Artillery is an open source load testing and performance testing platform for APIs, microservices, and web ... 1 API 27.6 Xanadu Xanadu is a Toronto-based photonic quantum computing company building cloud-accessible continuous- variable... 10 APIs 24.6 Apache Maven Apache Maven is a software project management and comprehension tool based on the concept of a project obje... 2 APIs 22.9 Nx Nx is a smart, fast, extensible monorepo build system and integrated CI platform created and maintained by ... 10 APIs 19.4

What Providers Actually Declared

This feature is a canonical term. These are the free-text strings providers wrote in their own apis.yml that map onto it.

1NCE OS bundled platform — IoT Integrator (CoAP, UDP, LwM2M endpoints + PSK provisioning), Device Locator (positions, geofences), Device Inspector (device stats), Optimizer (payload compression and savings reporting), and Plugin systemAI add-ons - Copilot $20, Smart QA $20, Smart CSAT $10, bundle $25 per seat/moAdd-Ons ManagementAdvanced Scheduling and AI Notetaker add-onsAtlassian Connect framework for marketplace appsAtlassian Marketplace appsC++ Plugin SDKCustom ActionsCustom Actions framework that lets voice agents POST structured payloads to customer HTTP endpoints and branch on the responseDeploy script projects as web apps, add-ons, and API executablesExtensible Plugin ArchitectureExtension APIHIPAA and Zero Data Retention add-ons; SOC2 and PCI on Scale planHTTP Basic auth with API key, plus OAuth 2.0 for marketplace appsHeroku Add-ons marketplaceOAuth 2.0 (Marketplace apps) and API token (custom integrations)OAuth2 Marketplace apps for partner integrationsPlugin ArchitecturePlugin DevelopmentPlugin EcosystemPlugin SDK and create-plugin (plugin-tools) for community and enterprise plugin developmentPlugin SystemPlugin system — extensible commands, resolvers, fetchers, and linkers via `@yarnpkg/core`Polyglot plugin system — first-party plugins for Angular, React, Next.js, Remix, Nuxt, Vue, Node, Express, Nest, Expo, React Native, Detox, Vite, Webpack, Rspack, Esbuild, Rollup, Jest, Vitest, Cypress, Playwright, Storybook, ESLint, Web Components, Gradle, and .NETPro add-ons exposed via the same API surface: Marketing Pro, Dispatch Pro, Pricebook Pro, Scheduling Pro, Fleet Pro, Contact Center Pro, Field Pro, Voice AgentRead replicas, branching, and Vault add-onsRisk and Revenue Accelerate add-onsTexting+, Video Interviews+, Assessments+ available as Standard add-onsUXP Plugin DevelopmentZoom Phone, Webinars, Events as add-onsmonday Apps Framework for marketplace apps

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