Feature
Client SDKs
Official libraries in multiple languages.
181 providers
1250 APIs
163 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.
181 API providers on the APIs.io network offer client sdks. The highest-rated are Trulioo, Postman, Affinda, Anthropic, Sentry.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 13 Complete, well-documented, and agent-ready
Trulioo
Trulioo is a Vancouver-based global identity verification platform that operates GlobalGateway, a single-AP...
Postman
Postman is the world's leading API platform, used by 35+ million developers to design, build, test, documen...
Affinda
Affinda is an Intelligent Document Processing (IDP) platform that uses AI to extract structured data from d...
Anthropic
Anthropic is an AI safety company and creator of the Claude family of large language models (Opus, Sonnet, ...
Sentry
Sentry is a developer-first application monitoring platform that helps software teams discover, triage, and...
Appian
Appian is a low-code automation platform that accelerates the creation of high-impact business applications...
Salla
Salla is a Saudi Arabia-based e-commerce platform — often called the Shopify of the Middle East — that lets...
Paragon
Paragon is the Integration Infrastructure Platform for B2B SaaS and AI products. The platform combines Conn...
fal
fal (Features and Labels, Inc.) is a generative media platform providing the world's fastest API for runnin...
Workato
Workato is an enterprise automation and integration platform that enables organizations to integrate their ...
Commerce Layer
Commerce Layer is the headless, multi-market commerce API used by global brands to sell everywhere — web, m...
1Password
1Password is a password manager that helps individuals and businesses securely store and manage passwords, ...
Dolby.io
Dolby.io (now branded as Dolby OptiView) is Dolby Laboratories' developer platform for media, streaming, co...
Strong 49 Solid coverage with minor gaps
NVIDIA NIM
NVIDIA NIM (NVIDIA Inference Microservices) is a catalog of GPU-accelerated, containerized AI inference mic...
Vapi
Vapi is a San Francisco-based voice AI platform that lets developers build real-time, low-latency voice age...
Exa
Exa is a web search API and AI research platform built specifically for LLMs and agents — semantic and keyw...
Knock
Knock is notifications infrastructure as a service — a product and customer messaging platform you use to p...
Assembled
Assembled is a San Francisco-headquartered support operations platform that unifies workforce management (W...
Raygun
Raygun is an application monitoring platform that combines Crash Reporting, Real User Monitoring (RUM), and...
Novu
Novu is the open-source notification infrastructure for developers. A single REST API and workflow engine r...
Socket
Socket is a developer-first supply-chain security platform that protects applications from malicious depend...
Bright Data
Bright Data is an Israeli web data platform and operator of the world's largest legitimate residential prox...
Slack
Slack is a cloud-based team collaboration platform that provides chat, file sharing, and integrations with ...
Highlight (highlight.io)
Highlight (highlight.io) is the open-source, full-stack monitoring platform — session replay, error monitor...
Moniepoint
Moniepoint is Africa's all-in-one financial platform for small and medium-sized businesses and individuals ...
PropelAuth
PropelAuth is a B2B SaaS authentication and multi-tenant user management platform purpose-built for organiz...
Stytch
Stytch is an authentication and identity infrastructure provider. Its Consumer and B2B APIs cover passwordl...
Soracom
Soracom is a global IoT cellular connectivity and platform provider headquartered in Tokyo, founded in 2014...
Fintecture
Fintecture is a French Open Banking payments platform and ACPR-authorised payment institution (#17248). Its...
Modal
Modal is a serverless cloud platform for AI and data workloads. Modal lets developers write ordinary Python...
Pocket Network
Pocket Network is the decentralized RPC layer of Web3 — a permissionless, fully open data delivery protocol...
Medplum
Medplum is an Apache 2.0 open-source, FHIR-native developer platform for shipping clinical software. It bun...
Amazon WorkMail
Amazon WorkMail is a secure, managed business email and calendar service with support for existing desktop ...
Rigetti Computing
Rigetti Computing (Nasdaq, RGTI) is a Berkeley, California-based quantum computing company building superco...
dLocal
dLocal (NASDAQ: DLO) is a Uruguay-headquartered emerging-markets payment infrastructure platform connecting...
sensible-so
Sensible is a document-automation API platform that extracts structured data from PDFs, images, spreadsheet...
Vital
Vital (now operating as Junction, formerly tryVital) is a health-data API platform that gives digital-healt...
Adafruit IO
Adafruit IO is a cloud Internet of Things platform from Adafruit Industries built for makers, hobbyists, st...
Didomi
Didomi is a Paris-based consent and preference management platform (CMP/PMP) that helps publishers, adverti...
reducto-ai
Reducto is an AI document-parsing platform that turns unstructured PDFs, images, spreadsheets, slides, and ...
socure
Socure is the leading vertically-integrated digital identity verification and fraud-prevention platform, us...
Allegion
Allegion plc is a global security products company with $3.8B in 2024 revenue, 13,000+ employees, and 30+ b...
Viam
Viam is a robotics and edge AI platform founded in 2020 by Eliot Horowitz (MongoDB co-founder and former CT...
fireblocks
Fireblocks is an institutional digital-asset and stablecoin infrastructure company providing MPC-secured cu...
PayPal
PayPal is a global online payment system that lets individuals and businesses send and receive money electr...
Google Maps Platform
Google Maps Platform offers APIs and SDKs for maps, routes, and places functionality.
Speakeasy
The platform to Build APIs your users love. Best in class API tooling for robust SDKs, API docs, Terraform ...
Adobe Premiere Pro
APIs for Adobe Premiere Pro, a professional video editing software that enables programmatic access to vide...
emnify
emnify is a cloud-native global IoT cellular connectivity provider operating its own mobile core and SuperN...
Bloomberg L.P.
Bloomberg L.P. is a privately held financial, software, data, and media company founded by Michael Bloomber...
ThingSpeak
ThingSpeak is an IoT analytics platform from MathWorks that lets devices aggregate, visualize, and analyze ...
AWS Braket
Amazon Braket is AWS's fully managed quantum computing service. It provides a unified API and SDK for explo...
Amazon X-Ray
AWS X-Ray is a distributed tracing service that helps developers analyze and debug production applications,...
Help Scout
Help Scout is an email-first help desk platform with shared inboxes, live chat, knowledge bases, and a cust...
Flutterwave
Flutterwave is a pan-African payment infrastructure company providing the rails for businesses to accept, s...
Outbrain
Outbrain Inc. (NASDAQ: OB), which closed its acquisition of Teads in early 2025 and now operates public...
Civitai
Civitai is the largest open community for Stable Diffusion, SDXL, Flux, and video AI models — hosting over ...
Freestyle
Freestyle is the infrastructure for code you didn't write — VMs and Git for AI agents. The platform provide...
TensorDock
TensorDock operates a global GPU cloud marketplace that connects independent hardware hosts with customers ...
Apifuse
Apifuse is a native integration platform that enables SaaS companies to build and embed integrations direct...
Mindee
Mindee is a document parsing and intelligent document processing platform. Its REST API (api-v2.mindee.net)...
TIDAL
TIDAL is a high-fidelity music streaming service owned by Block (Square's parent, acquired 2021) offering H...
Developing 63 Usable, with meaningful gaps to close
ankr
Ankr is a Web3 infrastructure provider whose multichain RPC, Advanced API, liquid staking, contract automat...
Bloom Credit
Bloom Credit is a fintech infrastructure company providing API access to consumer credit data from all thre...
Filevine
Filevine is the leading legal case management and operating intelligence platform for plaintiff, personal-i...
StackOne
StackOne is an AI-powered embedded integration platform as a service (iPaaS) designed to simplify and accel...
Encore
Encore is a backend application framework and developer cloud that lets engineering teams build type-safe d...
Livepeer
Livepeer is the open, permissionless protocol for video transcoding, streaming, and AI video inference, coo...
PostHog
PostHog is an open source product analytics platform that provides event tracking, session recording, featu...
AWS X-Ray
AWS X-Ray is a service that helps developers analyze and debug distributed applications by providing end-to...
Bringg
Bringg is a last-mile delivery and fulfillment orchestration platform headquartered in Tel Aviv (founded 20...
Kushki
Kushki is an Ecuador-headquartered LatAm fintech operating as a regional non-banking acquirer for the Andea...
Taboola
Taboola (NASDAQ: TBLA) is a New-York-headquartered native and discovery advertising company founded in 2007...
Apideck
Apideck is the leading Unified API that doesn't store sensitive customer data. Build and maintain native in...
Fitbit
Fitbit is a wearable health and fitness platform — devices (trackers, smartwatches, smart scales) plus a co...
Giphy
GIPHY is the world's largest library of GIFs, stickers, animated emoji, and Clips (GIFs with sound), with a...
Split
Split, now part of Harness Feature Management and Experimentation, is a feature flag and experimentation pl...
ThingsBoard
ThingsBoard is an open-source IoT platform for device connectivity, data collection, processing, and visual...
Rollbar
Rollbar is a real-time error tracking and monitoring platform for software teams. It automatically captures...
MetaMap
MetaMap (formerly Mati) is an identity verification platform founded in 2017 in San Francisco and headquart...
Zoom
Zoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom...
Instabug (Luciq)
Instabug — now rebranded as Luciq — is an agentic mobile observability platform covering bug reporting, cra...
Pipedrive
Pipedrive is a sales CRM and pipeline management tool focused on small and mid-market teams. The Pipedrive ...
E2B
E2B (e2b-dev) provides secure, isolated cloud sandboxes for AI agents and AI-generated code, built on a for...
Bifrost
Bifrost is a high-performance open-source AI gateway that unifies access to 20+ AI providers through a sing...
Leonardo.AI
Leonardo.AI is an Australian generative-AI company (acquired by Canva in July 2024) offering a Production A...
Canva
APIs for the Canva design platform, enabling developers to integrate Canva's design tools and functionality...
arcade-dev
Arcade.dev (formerly Arcade AI) is the MCP runtime for production AI agents — a platform that lets agents s...
Bloomberg
Bloomberg delivers business and markets news, data, analysis, and video to the world, featuring stories fro...
Cloudinary
Cloudinary is a cloud-based service that provides comprehensive solutions for managing digital media assets...
Argo Workflows
Argo Workflows is an open-source, container-native workflow engine for orchestrating parallel jobs on Kuber...
1NCE
1NCE is a Cologne-headquartered global IoT connectivity provider best known for the IoT Lifetime Flat — a s...
Ampersand
Ampersand is a developer-first platform for building native SaaS integrations. It provides an embeddable UI...
veeva
Veeva Systems is a leader in cloud-based software for the global life sciences industry, providing solution...
Continue
Continue is the open-source AI code assistant for VS Code and JetBrains, distributed under Apache 2.0. The ...
Smithery
Smithery is an MCP server registry and hosting platform that lets developers discover, publish, and connect...
Telstra
Telstra is Australia's largest telecommunications and mobile network operator, providing fixed broadband, m...
token-io
Token.io is an Open Banking infrastructure provider offering A2A (Account-to-Account) payments and account ...
Parasail
Parasail is an AI Supercloud — a pay-per-token GPU inference platform aimed at AI startups and developers. ...
TrackingMore
TrackingMore is a multi-carrier shipment tracking platform offering a unified REST API that integrates with...
Conekta
Conekta is a Mexico-based payment processor that lets businesses accept credit and debit cards, OXXO cash v...
Airwallex
Airwallex is a financial technology company that specializes in providing global payment solutions for busi...
Lichess
Lichess is a free, ad-free, open-source online chess server operated by a French nonprofit and powered enti...
Tray.io
Tray.io (now also known as Tray.ai) is an AI-ready integration platform as a service (iPaaS) that enables b...
Lunar.dev
Lunar.dev is an enterprise-grade gateway platform for AI governance and third-party API consumption control...
Upwork
Upwork is a global freelancing platform that connects businesses with independent professionals through a t...
Ubiquiti
Ubiquiti Inc. (NYSE: UI) is an American networking technology company that designs and sells wireless a...
Formant
Formant is a San Francisco–based robotics and physical-operations cloud platform that lets companies operat...
Hatchet
Hatchet is an open-source distributed task queue and workflow orchestration engine for background jobs, AI ...
Optimizely
Optimizely is a digital experience platform that provides A/B testing, feature flagging, content management...
Cisco Systems
Cisco Systems is a global technology company providing networking, security, collaboration, and cloud infra...
Elastic.io
Elastic IO is a cloud-based integration platform that helps businesses effortlessly connect their various a...
Wix
Wix is a cloud-based web development platform that allows users to create professional websites and online ...
BetSolutions
BetSolutions provides a casino and gaming platform API offering a two-way HTTP API with JSON data format fo...
Apache Dubbo
Apache Dubbo is a high-performance, Java-based open-source RPC framework that provides service discovery, t...
Ricoh USA
Ricoh USA is the United States operating company of Ricoh Co., Ltd. — a global imaging, printing, document ...
Forethought
Forethought is a San Francisco-based generative AI customer-support platform. Its multi-agent product suite...
Microsoft Azure Cloud
A comprehensive collection of Microsoft Azure cloud service APIs covering compute, storage, databases, AI, ...
Alloy
Alloy is a New York-based identity decisioning platform that helps banks, credit unions, and fintechs onboa...
S&P Global
S&P Global (NYSE SPGI) is the parent of S&P Global Ratings, S&P Global Market Intelligence, S&P Dow Jones I...
Jito Labs
Jito Labs is the Solana MEV infrastructure company behind Jito-Solana, the MEV-enabled validator client tha...
Sumsub
Sumsub is a London-headquartered global verification platform offering an integrated full-cycle solution fo...
Apache DolphinScheduler
Apache DolphinScheduler is a modern distributed and extensible data orchestration platform governed by the ...
Mapbox
Mapbox is a leading mapping and location data platform that provides tools and services to help developers ...
Bloomberg News
Bloomberg News is a leading global provider of financial news, data, and analysis, delivering breaking news...
Thin 31 Limited public surface area
launchdarkly
LaunchDarkly is a feature management platform that enables development teams to deliver and control softwar...
Whereby
Whereby is an embeddable video API plus standalone meetings product that lets developers add browser-based,...
WeChat
WeChat (Weixin) is Tencent's flagship super-app, combining messaging, social, payments, mini-apps, official...
ACI.dev
ACI.dev (Aipolabs Agent-Computer Interface) is an open-source tool-calling platform that hooks AI agents in...
BlackRock
BlackRock is the world's largest asset manager with over $10 trillion in assets under management. Through i...
ngrok AI Gateway
ngrok AI Gateway provides traffic management and security for AI APIs including multi-provider routing, aut...
freshworks
Freshworks is a software company that develops cloud-based business software including customer support, IT...
Loops
Loops is a modern email platform purpose-built for software companies, combining product, marketing, and tr...
Linear
Linear is an issue tracking and product development platform for software teams covering Intake, Plan, Buil...
bugsnag
Bugsnag is an application stability monitoring platform that helps software teams detect, diagnose, and fix...
Banuba
Banuba is an AR and AI technology company providing the Face AR SDK for augmented reality face effects, bea...
OPay
OPay is a Nigerian mobile money and fintech super-app operated by Blue Ridge Microfinance Bank (OPay Digita...
Healthie
Healthie is a cloud, API-first EHR and practice management platform purpose-built for digital health startu...
Shelf.io
Shelf.io is the first knowledge automation platform and next-generation AI agentic platform for knowledge m...
Agora
Agora is a real-time engagement platform providing ultra-low latency voice, video, signaling, chat, interac...
Bloomberg Intelligence
Bloomberg Intelligence provides research, data, and analytics on companies, industries, credit, government,...
API.Video
api.video is a video infrastructure platform offering APIs for video on demand, live streaming, analytics, ...
Authentik
Authentik is an open source identity provider with a comprehensive REST API for managing users, groups, flo...
Juniper Mist AI
Juniper Mist AI is the AI-driven enterprise networking platform that powers Juniper Networks' AI-Native Net...
Medusa
Medusa is an open-source headless commerce platform written in Node.js and TypeScript, distributed under th...
Yarn
Yarn is an open-source JavaScript package manager and project manager originally created at Facebook in 201...
Arthur J. Gallagher
Arthur J. Gallagher & Co. is a global insurance brokerage, risk management, and consulting firm headquarter...
Riskified
Riskified (NYSE RSKD) is an Israeli ecommerce risk-management platform that uses machine learning and a glo...
Paysafe
Paysafe is an integrated payment platform providing businesses with REST APIs for online payments, digital ...
Lex Machina
Lex Machina is a legal analytics platform owned by LexisNexis that transforms raw court documents and docke...
IEEE Xplore
IEEE Xplore is the authoritative technical library operated by the Institute of Electrical and Electronics ...
Jitsi
Jitsi is a collection of free and open-source projects for secure, simple, and scalable real-time video con...
Apache TinkerPop
Apache TinkerPop is a graph computing framework for both graph databases (OLTP) and graph analytic systems ...
OpenHands
OpenHands (by All Hands AI, formerly OpenDevin) is an open-source autonomous coding agent platform. Ships a...
Fawry
Fawry is Cairo-based Egypt's leading provider of e-payments and digital finance solutions, operating a nati...
Bloomberg Enterprise
Bloomberg Enterprise provides enterprise-grade financial data distribution, analytics, and connectivity sol...
Emerging 24 Early or largely undocumented
Pasqal
Pasqal is a French neutral-atom quantum computing company headquartered in Palaiseau, France and co-founded...
Glama
Glama is an all-in-one AI workspace combining an MCP server marketplace and registry, a managed MCP gateway...
Polar
Polar Electro Oy (operating as Polar Global) is a Finnish sports and fitness technology company founded in ...
Pagar.me
Pagar.me is the API-first online payments platform from Stone Co., one of Brazil's largest financial techno...
Eyevinn Technology
Eyevinn Technology is a Stockholm, Sweden based video streaming consultancy and open source company special...
AutoRest
AutoRest is an open source tool from Microsoft (MIT License) that generates client libraries for accessing ...
Firely
Firely is an Amsterdam-based health IT company and one of the original co-developers of the HL7 FHIR (Fast ...
Surge AI
Surge AI is a human-data company that provides large-scale, expert-quality labeled data for training and ev...
ABB Robotics
ABB Robotics is the robotics and discrete-automation business of ABB Ltd, the Swiss-Swedish multinational h...
AstroPay
AstroPay is a Uruguay-founded fintech and electronic money institution offering a multicurrency wallet, vir...
Signifyd
Signifyd is an ecommerce fraud prevention, chargeback protection, and revenue optimization platform. Its Co...
HPE Aruba Networking
HPE Aruba Networking is the networking business unit of Hewlett Packard Enterprise (NYSE HPE), born of Arub...
Atomic
Atomic is the connected-banking infrastructure for income, payroll, and merchant data. Their user-permissio...
Garmin
Garmin is the global leader in GPS-enabled wearables, cycling computers, outdoor handhelds, marine electron...
io.net
io.net is a decentralized GPU network for AI compute, built on Solana, that aggregates idle consumer and da...
Sardine
Sardine is a San Francisco-based fraud prevention, AML compliance, and risk management platform for fintech...
Chubb
Chubb Limited is the world's largest publicly traded property and casualty (P&C) insurance company, serving...
Babylon.js
Babylon.js is an Apache-2.0 licensed, TypeScript-first open-source 3D engine and rendering framework sponso...
API League
API League is a comprehensive API marketplace aggregating 60+ best-in-class APIs across categories includin...
QuEra Computing
QuEra Computing is a Boston-based neutral-atom quantum computing company (founded 2018) that operates Aquil...
Kount
Kount is a Boise, Idaho-based fraud prevention and chargeback management platform, now operating as part of...
Lido
Lido is the leading liquid staking protocol on Ethereum, allowing anyone to stake ETH without locking it or...
Sourcepoint
Sourcepoint is a New York City-headquartered enterprise privacy and consent management technology company f...
Pendle Finance
Pendle Finance is a decentralized yield-trading protocol that tokenizes future yield by stripping yield-bea...
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 UX or Headless SDKEmbedded Wallets / Non-Custodial Wallets (NCW) — wallet-as-a-service with mobile and web SDKs
Showing 40 of 163 declared variants