Feature
Client SDKs
Official libraries in multiple languages.
170 providers
897 APIs
153 declared variants
The provider maintains official client libraries so integrators skip hand-rolling HTTP, auth, retries, and pagination. Language coverage is often the deciding factor between two otherwise equal APIs.
170 API providers on the APIs.io network offer client sdks. The highest-rated are Airwallex, Medplum, Didomi, Optimizely, LaunchDarkly.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 22 Complete, well-documented, and agent-ready
AirwallexAirwallex is a financial technology company that specializes in providing global payment solutions for busi...MedplumMedplum is an Apache 2.0 open-source, FHIR-native developer platform for shipping clinical software. It bun...DidomiDidomi is a Paris-based consent and preference management platform (CMP/PMP) that helps publishers, adverti...OptimizelyOptimizely is a digital experience platform that provides A/B testing, feature flagging, content management...LaunchDarklyLaunchDarkly is a feature management and runtime control platform. Development teams use it to wrap release...AnthropicAnthropic is an AI safety company and the creator of the Claude family of large language models (Opus, Sonn...BugsnagBugSnag is an application stability monitoring platform from SmartBear that helps software teams detect, di...VeevaVeeva Systems is the leading cloud software provider for the global life sciences industry, serving pharmac...NovuNovu is the open-source notification infrastructure for developers. A single REST API and workflow engine r...VitalVital (now operating as Junction, formerly tryVital) is a health-data API platform that gives digital-healt...OutbrainOutbrain Inc. (NASDAQ: OB), which closed its acquisition of Teads in early 2025 and now operates publicly a...Token.ioToken.io is an Open Banking infrastructure provider offering A2A (Account-to-Account) payments and account ...PostmanPostman is the world's leading API platform, used by 35+ million developers to design, build, test, documen...SallaSalla is a Saudi Arabia-based e-commerce platform — often called the Shopify of the Middle East — that lets...KnockKnock is notifications infrastructure as a service — a product and customer messaging platform you use to p...AuthentikAuthentik is an open source identity provider from Authentik Security Inc., a public benefit company, expos...Commerce LayerCommerce Layer is the headless, multi-market commerce API used by global brands to sell everywhere — web, m...falfal (Features and Labels, Inc.) is a generative media platform providing the world's fastest API for runnin...NVIDIA NIMNVIDIA NIM (NVIDIA Inference Microservices) is a catalog of GPU-accelerated, containerized AI inference mic...HealthieHealthie is a cloud, API-first EHR and practice management platform purpose-built for digital health startu...CanvaCanva is the visual design platform used by hundreds of millions of people, and it exposes four distinct de...TaboolaTaboola (NASDAQ: TBLA) is a New-York-headquartered native and discovery advertising company founded in 2007...
Strong 57 Solid coverage with minor gaps
S&P GlobalS&P Global (NYSE SPGI) is the parent of S&P Global Ratings, S&P Global Market Intelligence, S&P Dow Jones I...CumulocityCumulocity is an enterprise AIoT (Artificial Intelligence of Things) platform that connects, manages, and a...SlackSlack is a cloud-based team collaboration platform that provides chat, file sharing, and integrations with ...E2BE2B (e2b-dev) provides secure, isolated cloud sandboxes for AI agents and AI-generated code, built on a for...FitbitFitbit is a wearable health and fitness platform — devices (trackers, smartwatches, smart scales) plus a co...Highlight (highlight.io)Highlight (highlight.io) is the open-source, full-stack monitoring platform — session replay, error monitor...FireblocksFireblocks is an institutional digital-asset and stablecoin infrastructure company providing MPC-secured cu...PropelAuthPropelAuth is a B2B SaaS authentication and multi-tenant user management platform purpose-built for organiz...AffindaAffinda is an Intelligent Document Processing (IDP) platform that uses AI to extract structured data from d...SocureSocure is the leading vertically-integrated digital identity verification and fraud-prevention platform, us...StytchStytch is an authentication and identity infrastructure provider. Its Consumer and B2B APIs cover passwordl...Dolby.ioDolby.io (now branded as Dolby OptiView) is Dolby Laboratories' developer platform for media, streaming, co...WorkatoWorkato is an enterprise automation and integration platform that enables organizations to integrate their ...AnkrAnkr is a Web3 infrastructure provider whose multichain RPC, Advanced API, liquid staking, contract automat...FlutterwaveFlutterwave is a pan-African payment infrastructure company providing the rails for businesses to accept, s...ThingsBoardThingsBoard is an open-source IoT platform for device connectivity, data collection, processing, and visual...RaygunRaygun is an application monitoring platform that combines Crash Reporting, Real User Monitoring (RUM), and...Amazon WorkMailAmazon WorkMail is a secure, managed business email and calendar service with support for existing desktop ...Adafruit IOAdafruit IO is a cloud Internet of Things platform from Adafruit Industries built for makers, hobbyists, st...BloombergBloomberg delivers business and markets news, data, analysis, and video to the world, featuring stories fro...AppianAppian is a low-code automation platform that accelerates the creation of high-impact business applications...API LeagueAPI League is a single-key hub of 55 read-only HTTP APIs spanning twelve categories — Books, News, Humor, F...AWS BraketAmazon Braket is AWS's fully managed quantum computing service. It provides a unified API and SDK for explo...FreestyleFreestyle is the infrastructure for code you didn't write — VMs and Git for AI agents. The platform provide...ThingSpeakThingSpeak is an IoT analytics platform from MathWorks that lets devices aggregate, visualize, and analyze ...ViamViam is a robotics and edge AI platform founded in 2020 by Eliot Horowitz (MongoDB co-founder and former CT...Arcade.devArcade.dev (formerly Arcade AI) is the MCP runtime for production AI agents — a platform that lets agents s...Amazon X-RayAWS X-Ray is a distributed tracing service that helps developers analyze and debug production applications,...BringgBringg is a last-mile delivery and fulfillment orchestration platform headquartered in Tel Aviv (founded 20...GiphyGIPHY is the world's largest library of GIFs, stickers, animated emoji, and Clips (GIFs with sound), with a...emnifyemnify is a cloud-native global IoT cellular connectivity provider operating its own mobile core and SuperN...AssembledAssembled is a San Francisco-headquartered support operations platform that unifies workforce management (W...ExaExa is a web search API and AI research platform built specifically for LLMs and agents — semantic and keyw...AllegionAllegion plc is a global security products company with $3.8B in 2024 revenue, 13,000+ employees, and 30+ b...ApideckApideck is the leading Unified API that doesn't store sensitive customer data. Build and maintain native in...Adobe Premiere ProAdobe Premiere Pro is a professional non-linear video editor. Its programmable surface has two halves: the ...AlloyAlloy is a New York-based identity decisioning platform that helps banks, credit unions, and fintechs onboa...1Password1Password is a password manager that helps individuals and businesses securely store and manage passwords, ...Leonardo.AILeonardo.AI is an Australian generative-AI company (acquired by Canva in July 2024) offering a Production A...SoracomSoracom is a global IoT cellular connectivity and platform provider headquartered in Tokyo, founded in 2014...FilevineFilevine is the leading legal case management and operating intelligence platform for plaintiff, personal-i...Pocket NetworkPocket Network is the decentralized RPC layer of Web3 — a permissionless, fully open data delivery protocol...FintectureFintecture is a French Open Banking payments platform and ACPR-authorised payment institution (#17248). Its...MoniepointMoniepoint is Africa's all-in-one financial platform for small and medium-sized businesses and individuals ...PayPalPayPal is a global online payment system that lets individuals and businesses send and receive money electr...TensorDockTensorDock operates a global GPU cloud marketplace that connects independent hardware hosts with customers ...TruliooTrulioo is a Vancouver-based global identity verification platform that operates GlobalGateway, a single-AP...MindeeMindee is a document parsing and intelligent document processing platform. Its REST API (api-v2.mindee.net)...MetaMapMetaMap (formerly Mati) is an identity verification platform founded in 2017 in San Francisco and headquart...LichessLichess is a free, ad-free, open-source online chess server operated by a French nonprofit and powered enti...HatchetHatchet is an open-source distributed task queue and workflow orchestration engine for background jobs, AI ...SourcepointSourcepoint is a New York City-headquartered enterprise privacy and consent management technology company f...CivitaiCivitai is the largest open community for Stable Diffusion, SDXL, Flux, and video AI models — hosting over ...Rigetti ComputingRigetti Computing (Nasdaq, RGTI) is a Berkeley, California-based quantum computing company building superco...TelstraTelstra is Australia's largest telecommunications and mobile network operator, providing fixed broadband, m...ConektaConekta is a Mexico-based payment processor that lets businesses accept credit and debit cards, OXXO cash v...PipedrivePipedrive is a sales CRM and pipeline management tool focused on small and mid-market teams. The Pipedrive ...
Developing 42 Usable, with meaningful gaps to close
EncoreEncore is a backend application framework and developer cloud that lets engineering teams build type-safe d...ZoomZoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom...SpeakeasyThe platform to Build APIs your users love. Best in class API tooling for robust SDKs, API docs, Terraform ...TheTVDBTheTVDB is a community-driven television and movie metadata database founded in 2006. It supplies structure...TIDALTIDAL is a high-fidelity music streaming service owned by Block (Square's parent, acquired 2021) offering H...LivepeerLivepeer is a decentralized video infrastructure network. Independent orchestrators run GPU hardware to pro...WherebyWhereby is an embeddable video API plus standalone meetings product that lets developers add browser-based,...1NCE1NCE is a Cologne-headquartered global IoT connectivity provider best known for the IoT Lifetime Flat — a s...LunarLunar is an enterprise-grade API management and AI control plane platform that provides a unified gateway f...Instabug (Luciq)Instabug — now rebranded as Luciq — is an agentic mobile observability platform covering bug reporting, cra...Bright DataBright Data is an Israeli web data platform and operator of the world's largest legitimate residential prox...UbiquitiUbiquiti Inc. (NYSE: UI) is an American networking technology company that designs and sells wireless and w...WeChatWeChat (Weixin) is Tencent's flagship super-app, combining messaging, social, payments, mini-apps, official...AmadeusAmadeus for Developers is the self-service developer program from Amadeus IT Group, the leading technology ...Google Maps PlatformGoogle Maps Platform offers APIs and SDKs for maps, routes, and places functionality.KushkiKushki is an Ecuador-headquartered LatAm fintech operating as a regional non-banking acquirer for the Andea...PostHogPostHog is an open source product analytics platform that provides event tracking, session recording, featu...ParasailParasail is an AI Supercloud — a pay-per-token GPU inference platform aimed at AI startups and developers. ...BifrostBifrost is a high-performance open-source AI gateway that unifies access to 20+ AI providers through a sing...SumsubSumsub is a London-headquartered global verification platform offering an integrated full-cycle solution fo...ContinueContinue is the open-source AI code assistant for VS Code and JetBrains, distributed under Apache 2.0. The ...BanubaBanuba is an AR and AI technology company providing the Face AR SDK for augmented reality face effects, bea...AWS X-RayAWS X-Ray is a service that helps developers analyze and debug distributed applications by providing end-to...CloudinaryCloudinary is a cloud-based service that provides comprehensive solutions for managing digital media assets...LangWatchLangWatch is an open-source LLM observability, evaluation, and AI agent testing platform. Built around Open...StackOneStackOne is an AI-powered embedded integration platform as a service (iPaaS) designed to simplify and accel...Help ScoutHelp Scout is an email-first help desk platform with shared inboxes, live chat, knowledge bases, and a cust...Juniper Mist AIJuniper Mist AI is the AI-driven enterprise networking platform that powers Juniper Networks' AI-Native Net...Argo WorkflowsArgo Workflows is an open-source, container-native workflow engine for orchestrating parallel jobs on Kuber...Jito LabsJito Labs is the Solana MEV infrastructure company behind Jito-Solana, the MEV-enabled validator client tha...TrackingMoreTrackingMore is a multi-carrier shipment tracking platform offering a unified REST API that integrates with...Elastic.ioElastic IO is a cloud-based integration platform that helps businesses effortlessly connect their various a...ForethoughtForethought is a San Francisco-based generative AI customer-support platform. Its multi-agent product suite...IEEE XploreIEEE Xplore is the authoritative technical library operated by the Institute of Electrical and Electronics ...Ricoh USARicoh USA is the United States operating company of Ricoh Co., Ltd. — a global imaging, printing, document ...Apache DubboApache Dubbo is a high-performance, Java-based open-source RPC framework that provides service discovery, t...RollbarRollbar is a real-time error tracking and monitoring platform for software teams. It automatically captures...OpenHandsOpenHands (by All Hands AI, formerly OpenDevin) is an open-source autonomous coding agent platform. Ships a...FreshworksFreshworks is a software company that develops cloud-based business software including customer support, IT...PolarPolar Electro Oy (operating as Polar Global) is a Finnish sports and fitness technology company founded in ...MapboxMapbox is a leading mapping and location data platform that provides tools and services to help developers ...LinearLinear is an issue tracking and product development platform for software teams covering Intake, Plan, Buil...
Thin 31 Limited public surface area
SplitSplit, now part of Harness Feature Management and Experimentation, is a feature flag and experimentation pl...AmpersandAmpersand is a developer-first platform for building native SaaS integrations. It provides an embeddable UI...Surge AISurge AI is a human-data company that provides large-scale, expert-quality labeled data for training and ev...ACI.devACI.dev (Aipolabs Agent-Computer Interface) is an open-source tool-calling platform that hooks AI agents in...Bloomberg NewsBloomberg News is a leading global provider of financial news, data, and analysis, delivering breaking news...io.netio.net is a decentralized GPU network for AI compute, built on Solana, that aggregates idle consumer and da...Pagar.mePagar.me is the API-first online payments platform from Stone Co., one of Brazil's largest financial techno...WixWix is a cloud-based web development platform that allows users to create professional websites and online ...RiskifiedRiskified (NYSE RSKD) is an Israeli ecommerce risk-management platform that uses machine learning and a glo...PaysafePaysafe is an integrated payment platform providing businesses with REST APIs for online payments, digital ...Apache DolphinSchedulerApache DolphinScheduler is a modern distributed and extensible data orchestration platform governed by the ...JitsiJitsi is a collection of free and open-source projects for secure, simple, and scalable real-time video con...OPayOPay is a Nigerian mobile money and fintech super-app operated by Blue Ridge Microfinance Bank (OPay Digita...FormantFormant is a San Francisco–based robotics and physical-operations cloud platform that lets companies operat...Lex MachinaLex Machina is a legal analytics platform owned by LexisNexis that transforms raw court documents and docke...Bloom CreditBloom Credit is a fintech infrastructure company providing API access to consumer credit data from all thre...Apache TinkerPopApache TinkerPop is a graph computing framework for both graph databases (OLTP) and graph analytic systems ...GarminGarmin is the global leader in GPS-enabled wearables, cycling computers, outdoor handhelds, marine electron...UpworkUpwork is a global freelancing platform that connects businesses with independent professionals through a t...Eyevinn TechnologyEyevinn Technology is a Stockholm, Sweden based video streaming consultancy and open source company special...AgoraAgora is a real-time engagement platform providing ultra-low latency voice, video, signaling, chat, interac...API.Videoapi.video is a video infrastructure platform offering APIs for video on demand, live streaming, analytics, ...GlamaGlama is an all-in-one AI workspace combining an MCP server marketplace and registry, a managed MCP gateway...AutoRestAutoRest is an open source tool from Microsoft (MIT License) that generates client libraries for accessing ...Bloomberg IntelligenceBloomberg Intelligence provides research, data, and analytics on companies, industries, credit, government,...FawryFawry is Cairo-based Egypt's leading provider of e-payments and digital finance solutions, operating a nati...ApifuseApifuse is a native integration platform that enables SaaS companies to build and embed integrations direct...LidoLido is the leading liquid staking protocol on Ethereum, allowing anyone to stake ETH without locking it or...FirelyFirely is an Amsterdam-based health IT company and one of the original co-developers of the HL7 FHIR (Fast ...AtomicAtomic is the connected-banking infrastructure for income, payroll, and merchant data. Their user-permissio...YarnYarn is an open-source JavaScript package manager and project manager originally created at Facebook in 201...
Emerging 17 Early or largely undocumented
SignifydSignifyd is an ecommerce fraud prevention, chargeback protection, and revenue optimization platform. Its Co...Shelf.ioShelf.io is the first knowledge automation platform and next-generation AI agentic platform for knowledge m...Pendle FinancePendle Finance is a decentralized yield-trading protocol that tokenizes future yield by stripping yield-bea...BetSolutionsBetSolutions provides a casino and gaming platform API offering a two-way HTTP API with JSON data format fo...QuEra ComputingQuEra Computing is a Boston-based neutral-atom quantum computing company (founded 2018) that operates Aquil...HPE Aruba NetworkingHPE Aruba Networking is the networking business unit of Hewlett Packard Enterprise (NYSE HPE), born of Arub...SSTSST is an open source TypeScript framework for building full-stack applications on your own infrastructure....BlackRockBlackRock is the world's largest asset manager with over $10 trillion in assets under management. Through i...Bloomberg EnterpriseBloomberg Enterprise provides enterprise-grade financial data distribution, analytics, and connectivity sol...SardineSardine is a San Francisco-based fraud prevention, AML compliance, and risk management platform for fintech...ABB RoboticsABB Robotics is the robotics and discrete-automation business of ABB Ltd, the Swiss-Swedish multinational h...Arthur J. GallagherArthur J. Gallagher & Co. is a global insurance brokerage, risk management, and consulting firm headquarter...PasqalPasqal is a French neutral-atom quantum computing company headquartered in Palaiseau, France and co-founded...KountKount is a Boise, Idaho-based fraud prevention and chargeback management platform, now operating as part of...Babylon.jsBabylon.js is an Apache-2.0 licensed, TypeScript-first open-source 3D engine and rendering framework sponso...AstroPayAstroPay is a Uruguay-founded fintech and electronic money institution offering a multicurrency wallet, vir...ChubbChubb Limited is the world's largest publicly traded property and casualty (P&C) insurance company, serving...
Minimal 1 Almost no public developer surface
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.
20+ SDKs30+ language SDKs50+ platform SDKs (Node, Ruby, Python, JS, mobile, game engines)9 Language SDKsAI SDKAdministrative SDKAladdinSDKAllegion Device Communication SDK (iOS, Android) for ENGAGE device commissioning and door file distributionApps SDKAuto-generated TypeScript and Python SDKs from the OpenAPI spec at packages/continue-sdkAuto-generated client SDKs in TypeScript, Go, and JavaScript from the backend sourceAzure SDK IntegrationBackend SDKs for Node, Express, FastAPI, Flask, Django REST Framework, Python, Go, Rust, .NET, Ruby, and Cloudflare WorkersBeacon device-intelligence JavaScript snippet plus iOS, Android, React Native, and Unity SDKsBloqade Analog Python SDK (pip install bloqade-analog) — hardware-first AHS submission to AquilaBringg Dispatcher web app and JavaScript SDK for embedded dispatch UXBroad Sdk SupportBrowser SDKs for React, Next.js, Remix, Vue, Angular, Gatsby, SvelteKit, Electron, React Native (beta)C++ SDK ExtensionsCode-First SDKsCommunity SDKs and wrappers for PHP, Laravel, Python; official Dart utility library (dart-flow)Connect IQ wearable application platform with Monkey C, device simulators, and VS Code extension (SDK 9.1.0)Connector SDK for custom integrationsCross-Platform SDKCross-Platform SDKsCustom Apps SDKCustom Connector SDKCustom functions SDK for registering proprietary tools alongside the catalogCustom sandbox templates built from e2b.toml or programmatic SDK definitions with cached build layersDatafile-based Feature Experimentation SDKs (10+)Developer free: unlimited flags, seats, 30 SDKs, 5K replays, 10M logsDevice Intelligence and Behavioral Biometrics SDKs for web, iOS, and Android (5.4B+ devices profiled)Device profiling JavaScript snippet and Android/iOS SDKsDigital Intelligence (SigmaDevice SDK) for device fingerprinting and behavioral biometricsDrop-in SDK compatibility with OpenAI SDKs and LangChainEditor SDKs (@yarnpkg/sdks) for VS Code, Vim, and other editors to integrate with PnPEmbeddable video calls via iframe, Web Component, or React Browser SDKEmbedded Insurance via Chubb Studio APIs/SDKsEmbedded Wallets / Non-Custodial Wallets (NCW) — wallet-as-a-service with mobile and web SDKsFirely CQL SDK — Clinical Quality Language execution engine for .NET
Showing 40 of 153 declared variants
Work with this as data
Every feature here is available over the APIs.io API and to AI agents over MCP. Features is not yet its own endpoint on the v1 API. Reach it through catalog search and the tag graph, or the MCP server.