Feature

Plugin & Extension Architecture

Extend the platform with custom plugins.

47 providers 340 APIs 30 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.

47 API providers on the APIs.io network offer plugin & extension architecture. The highest-rated are Grafana, Atlassian, Jira, Close, Kong.

Providers

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

Exemplar 8 Complete, well-documented, and agent-ready
GrafanaGrafana Labs builds the open and composable observability stack used by millions of engineers to visualize,...1 published contract78.8AtlassianAtlassian is a software company that develops collaboration, productivity, and project management tools to ...124 published contracts77.5JiraAPIs for Atlassian Jira project management and issue tracking platform.4 published contracts76.8CloseClose is an inside-sales CRM with calling, email, SMS, and WhatsApp built in. The Close API exposes leads, ...4 published contracts75.8KongKong is the AI Connectivity Company. Its platform spans Kong Gateway (the open-source API gateway built on ...2 published contracts73.8RegalRegal is a New York City-based AI Agent Platform purpose-built for contact center operations. The Regal pla...6 published contracts71.6BitbucketBitbucket is a Git-based source code repository hosting service owned by Atlassian offering both commercial...1 published contract70.6ConfluenceAPIs for Atlassian Confluence - team collaboration and knowledge management software.5 published contracts70.6
Strong 8 Solid coverage with minor gaps
AdyenAdyen is a global payment company that provides businesses with a single platform to accept payments from c...41 published contracts66.1TykTyk is an open-source API gateway and management platform supporting REST, GraphQL, gRPC, and Async APIs wi...4 published contracts66.1BackstageBackstage is an open-source developer portal platform created by Spotify. It provides a centralized softwar...13 published contracts62.8Adobe Premiere ProAdobe Premiere Pro is a professional non-linear video editor. Its programmable surface has two halves: the ...1 published contract60.2ServiceTitanServiceTitan is the operating system for the trades — all-in-one field service management software for resi...8 published contracts59.8ArtilleryArtillery is an open source load testing and performance testing platform for APIs, microservices, and web ...1 API57.4ZoomZoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom...12 published contracts56.3PipedrivePipedrive is a sales CRM and pipeline management tool focused on small and mid-market teams. The Pipedrive ...4 published contracts55.0
Developing 17 Usable, with meaningful gaps to close
Adobe Creative CloudAdobe Creative Cloud is a suite of software and cloud services for graphic design, video editing, web devel...4 published contracts53.4Amazon CodePipelineAWS CodePipeline is a fully managed continuous delivery service that helps you automate your release pipeli...2 published contracts53.1Adobe PhotoshopAdobe Photoshop is the industry-standard image editing and digital design application. Its developer platfo...1 published contract52.6Adobe Creative SuiteAdobe Creative Suite is a collection of professional software applications for graphic design, video editin...4 published contracts51.7LunarLunar is an enterprise-grade API management and AI control plane platform that provides a unified gateway f...3 published contracts50.7FrontFront is a customer operations platform unifying shared inboxes, chat, SMS, social, and CRM workflows. Fron...4 published contracts50.4LookerLooker is a business intelligence and data analytics platform that enables organizations to explore, analyz...1 published contract49.81NCE1NCE is a Cologne-headquartered global IoT connectivity provider best known for the IoT Lifetime Flat — a s...15 published contracts48.9Apache APISIXApache APISIX is a dynamic, real-time, high-performance cloud-native API gateway built on NGINX and etcd, d...2 published contracts48.3Amazon EKSAmazon Elastic Kubernetes Service (Amazon EKS) is a managed Kubernetes service that makes it easy to run Ku...1 published contract47.3AshbyAshby is an all-in-one talent strategy platform combining ATS, sourcing, scheduling, and analytics. The Ash...2 published contracts46.0Argo WorkflowsArgo Workflows is an open-source, container-native workflow engine for orchestrating parallel jobs on Kuber...1 published contract45.1Apache OFBizApache OFBiz is an open-source enterprise resource planning (ERP) system providing a suite of integrated bu...1 published contract44.3HerokuHeroku is a cloud platform as a service (PaaS) that enables developers to build, run, and operate applicati...1 published contract43.4SupabaseSupabase is an open-source Firebase alternative that provides a suite of backend services built on top of P...5 published contracts42.9Apache JMeterApache JMeter is an open-source Java application designed for load testing functional behavior and measurin...1 published contract41.4Ricoh USARicoh USA is the United States operating company of Ricoh Co., Ltd. — a global imaging, printing, document ...1 published contract40.8
Thin 11 Limited public surface area
Google Apps ScriptThe Apps Script API provides programmatic access to manage Google Apps Script projects, deployments, and ex...1 published contract36.1AutoRestAutoRest is an open source tool from Microsoft (MIT License) that generates client libraries for accessing ...6 APIs36.0WorkableWorkable is an end-to-end hiring platform with ATS, AI sourcing, employer branding, video interviewing, ass...1 published contract35.9Apache CordovaApache Cordova is an open-source mobile development framework governed by the Apache Software Foundation th...1 API35.7Aladdin StudioAladdin Studio is BlackRock's developer platform enabling institutional investors, asset managers, and weal...10 APIs34.1Monday.comAn expressive API to interact with your workflows, automate processes, power integrations, and more!1 published contract33.4RipplingRippling is a unified workforce platform spanning HR, IT, and Finance with programmable APIs for employees,...1 published contract32.5Apache GuacamoleApache Guacamole is a clientless remote desktop gateway that supports standard protocols like VNC, RDP, and...1 published contract32.4Apache MavenApache Maven is a software project management and comprehension tool based on the concept of a project obje...2 APIs32.3Agilent TechnologiesAgilent Technologies is a global leader in life sciences, diagnostics, and applied chemical markets, provid...10 APIs30.9NxNx is a smart, fast, extensible monorepo build system and integrated CI platform created and maintained by ...10 APIs29.2
Emerging 3 Early or largely undocumented
AWS CLIThe AWS Command Line Interface (AWS CLI) is a unified tool to manage AWS services from the command line. Wi...1 API26.1YarnYarn is an open-source JavaScript package manager and project manager originally created at Facebook in 201...10 APIs25.1Autodesk MayaAutodesk Maya is a comprehensive 3D computer graphics application used for creating interactive 3D applicat...5 APIs23.5

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 APIHTTP 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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