Feature
Client SDKs
Official libraries in multiple languages.
190 providers
3411 APIs
169 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.
190 API providers on the APIs.io network offer client sdks. The highest-rated are Trulioo, Postman, NVIDIA NIM, Vapi, fal.
Providers
Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.
Exemplar 45 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...
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...
fal
fal (Features and Labels, Inc.) is a generative media platform providing the world's fastest API for runnin...
Anthropic
Anthropic is an AI safety company and creator of the Claude family of large language models (Opus, Sonnet, ...
Exa
Exa is a web search API and AI research platform built specifically for LLMs and agents — semantic and keyw...
Appian
Appian is a low-code automation platform that accelerates the creation of high-impact business applications...
Dolby.io
Dolby.io (now branded as Dolby OptiView) is Dolby Laboratories' developer platform for media, streaming, co...
Bloomberg
Bloomberg delivers business and markets news, data, analysis, and video to the world, featuring stories fro...
Socket
Socket is a developer-first supply-chain security platform that protects applications from malicious depend...
Workato
Workato is an enterprise automation and integration platform that enables organizations to integrate their ...
1Password
1Password is a password manager that helps individuals and businesses securely store and manage passwords, ...
Knock
Knock is notifications infrastructure as a service — a product and customer messaging platform you use to p...
Paragon
Paragon is the Integration Infrastructure Platform for B2B SaaS and AI products. The platform combines Conn...
Slack
Slack is a cloud-based team collaboration platform that provides chat, file sharing, and integrations with ...
Sentry
Sentry is a developer-first application monitoring platform that helps software teams discover, triage, and...
Commerce Layer
Commerce Layer is the headless, multi-market commerce API used by global brands to sell everywhere — web, m...
Affinda
Affinda is an Intelligent Document Processing (IDP) platform that uses AI to extract structured data from d...
Bright Data
Bright Data is an Israeli web data platform and operator of the world's largest legitimate residential prox...
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...
Highlight (highlight.io)
Highlight (highlight.io) is the open-source, full-stack monitoring platform — session replay, error monitor...
PropelAuth
PropelAuth is a B2B SaaS authentication and multi-tenant user management platform purpose-built for organiz...
Raygun
Raygun is an application monitoring platform that combines Crash Reporting, Real User Monitoring (RUM), and...
Salla
Salla is a Saudi Arabia-based e-commerce platform — often called the Shopify of the Middle East — that lets...
Assembled
Assembled is a San Francisco-headquartered support operations platform that unifies workforce management (W...
socure
Socure is the leading vertically-integrated digital identity verification and fraud-prevention platform, us...
emnify
emnify is a cloud-native global IoT cellular connectivity provider operating its own mobile core and SuperN...
Amadeus
Amadeus for Developers is the self-service developer program from Amadeus IT Group, the leading technology ...
Stytch
Stytch is an authentication and identity infrastructure provider. Its Consumer and B2B APIs cover passwordl...
Adafruit IO
Adafruit IO is a cloud Internet of Things platform from Adafruit Industries built for makers, hobbyists, st...
Medplum
Medplum is an Apache 2.0 open-source, FHIR-native developer platform for shipping clinical software. It bun...
fireblocks
Fireblocks is an institutional digital-asset and stablecoin infrastructure company providing MPC-secured cu...
Pocket Network
Pocket Network is the decentralized RPC layer of Web3 — a permissionless, fully open data delivery protocol...
reducto-ai
Reducto is an AI document-parsing platform that turns unstructured PDFs, images, spreadsheets, slides, and ...
sensible-so
Sensible is a document-automation API platform that extracts structured data from PDFs, images, spreadsheet...
Rigetti Computing
Rigetti Computing (Nasdaq, RGTI) is a Berkeley, California-based quantum computing company building superco...
Cumulocity
Cumulocity is an enterprise AIoT (Artificial Intelligence of Things) platform that connects, manages, and a...
Allegion
Allegion plc is a global security products company with $3.8B in 2024 revenue, 13,000+ employees, and 30+ b...
Amazon X-Ray
AWS X-Ray is a distributed tracing service that helps developers analyze and debug production applications,...
Didomi
Didomi is a Paris-based consent and preference management platform (CMP/PMP) that helps publishers, adverti...
E2B
E2B (e2b-dev) provides secure, isolated cloud sandboxes for AI agents and AI-generated code, built on a for...
Google Maps Platform
Google Maps Platform offers APIs and SDKs for maps, routes, and places functionality.
Apideck
Apideck is the leading Unified API that doesn't store sensitive customer data. Build and maintain native in...
Novu
Novu is the open-source notification infrastructure for developers. A single REST API and workflow engine r...
Strong 61 Solid coverage with minor gaps
Adobe Premiere Pro
APIs for Adobe Premiere Pro, a professional video editing software that enables programmatic access to vide...
Modal
Modal is a serverless cloud platform for AI and data workloads. Modal lets developers write ordinary Python...
Moniepoint
Moniepoint is Africa's all-in-one financial platform for small and medium-sized businesses and individuals ...
ThingSpeak
ThingSpeak is an IoT analytics platform from MathWorks that lets devices aggregate, visualize, and analyze ...
Viam
Viam is a robotics and edge AI platform founded in 2020 by Eliot Horowitz (MongoDB co-founder and former CT...
ankr
Ankr is a Web3 infrastructure provider whose multichain RPC, Advanced API, liquid staking, contract automat...
Speakeasy
The platform to Build APIs your users love. Best in class API tooling for robust SDKs, API docs, Terraform ...
Airwallex
Airwallex is a financial technology company that specializes in providing global payment solutions for busi...
Amazon WorkMail
Amazon WorkMail is a secure, managed business email and calendar service with support for existing desktop ...
AWS Braket
Amazon Braket is AWS's fully managed quantum computing service. It provides a unified API and SDK for explo...
dLocal
dLocal (NASDAQ: DLO) is a Uruguay-headquartered emerging-markets payment infrastructure platform connecting...
Leonardo.AI
Leonardo.AI is an Australian generative-AI company (acquired by Canva in July 2024) offering a Production A...
Soracom
Soracom is a global IoT cellular connectivity and platform provider headquartered in Tokyo, founded in 2014...
Bringg
Bringg is a last-mile delivery and fulfillment orchestration platform headquartered in Tel Aviv (founded 20...
PostHog
PostHog is an open source product analytics platform that provides event tracking, session recording, featu...
Argyle
Argyle is a consumer-permissioned employment and income data platform. The REST API and Link SDK let lender...
PayPal
PayPal is a global online payment system that lets individuals and businesses send and receive money electr...
MetaMap
MetaMap (formerly Mati) is an identity verification platform founded in 2017 in San Francisco and headquart...
AWS X-Ray
AWS X-Ray is a service that helps developers analyze and debug distributed applications by providing end-to...
Filevine
Filevine is the leading legal case management and operating intelligence platform for plaintiff, personal-i...
Outbrain
Outbrain Inc. (NASDAQ: OB), which closed its acquisition of Teads in early 2025 and now operates public...
Zoom
Zoom is a communications platform that allows users to connect with video, audio, phone, and chat. The Zoom...
Freestyle
Freestyle is the infrastructure for code you didn't write — VMs and Git for AI agents. The platform provide...
Canva
APIs for the Canva design platform, enabling developers to integrate Canva's design tools and functionality...
Fintecture
Fintecture is a French Open Banking payments platform and ACPR-authorised payment institution (#17248). Its...
Fitbit
Fitbit is a wearable health and fitness platform — devices (trackers, smartwatches, smart scales) plus a co...
Livepeer
Livepeer is the open, permissionless protocol for video transcoding, streaming, and AI video inference, coo...
Civitai
Civitai is the largest open community for Stable Diffusion, SDXL, Flux, and video AI models — hosting over ...
Flutterwave
Flutterwave is a pan-African payment infrastructure company providing the rails for businesses to accept, s...
Help Scout
Help Scout is an email-first help desk platform with shared inboxes, live chat, knowledge bases, and a cust...
Telstra
Telstra is Australia's largest telecommunications and mobile network operator, providing fixed broadband, m...
Lichess
Lichess is a free, ad-free, open-source online chess server operated by a French nonprofit and powered enti...
TIDAL
TIDAL is a high-fidelity music streaming service owned by Block (Square's parent, acquired 2021) offering H...
TensorDock
TensorDock operates a global GPU cloud marketplace that connects independent hardware hosts with customers ...
Encore
Encore is a backend application framework and developer cloud that lets engineering teams build type-safe d...
Bloomberg L.P.
Bloomberg L.P. is a privately held financial, software, data, and media company founded by Michael Bloomber...
Vital
Vital (now operating as Junction, formerly tryVital) is a health-data API platform that gives digital-healt...
Elastic.io
Elastic IO is a cloud-based integration platform that helps businesses effortlessly connect their various a...
Mindee
Mindee is a document parsing and intelligent document processing platform. Its REST API (api-v2.mindee.net)...
Pipedrive
Pipedrive is a sales CRM and pipeline management tool focused on small and mid-market teams. The Pipedrive ...
StackOne
StackOne is an AI-powered embedded integration platform as a service (iPaaS) designed to simplify and accel...
Taboola
Taboola (NASDAQ: TBLA) is a New-York-headquartered native and discovery advertising company founded in 2007...
Giphy
GIPHY is the world's largest library of GIFs, stickers, animated emoji, and Clips (GIFs with sound), with a...
Rollbar
Rollbar is a real-time error tracking and monitoring platform for software teams. It automatically captures...
ThingsBoard
ThingsBoard is an open-source IoT platform for device connectivity, data collection, processing, and visual...
Split
Split, now part of Harness Feature Management and Experimentation, is a feature flag and experimentation pl...
Continue
Continue is the open-source AI code assistant for VS Code and JetBrains, distributed under Apache 2.0. The ...
arcade-dev
Arcade.dev (formerly Arcade AI) is the MCP runtime for production AI agents — a platform that lets agents s...
token-io
Token.io is an Open Banking infrastructure provider offering A2A (Account-to-Account) payments and account ...
Livepeer
Livepeer is a decentralized video infrastructure network. Independent orchestrators run GPU hardware to pro...
Smithery
Smithery is an MCP server registry and hosting platform that lets developers discover, publish, and connect...
Optimizely
Optimizely is a digital experience platform that provides A/B testing, feature flagging, content management...
veeva
Veeva Systems is a leader in cloud-based software for the global life sciences industry, providing solution...
Lunar
Lunar is an enterprise-grade API management and AI control plane platform that provides a unified gateway f...
Lunar.dev
Lunar.dev is an enterprise-grade gateway platform for AI governance and third-party API consumption control...
Alloy
Alloy is a New York-based identity decisioning platform that helps banks, credit unions, and fintechs onboa...
TheTVDB
TheTVDB is a community-driven television and movie metadata database founded in 2006. It supplies structure...
Hatchet
Hatchet is an open-source distributed task queue and workflow orchestration engine for background jobs, AI ...
Parasail
Parasail is an AI Supercloud — a pay-per-token GPU inference platform aimed at AI startups and developers. ...
Cloudinary
Cloudinary is a cloud-based service that provides comprehensive solutions for managing digital media assets...
Instabug (Luciq)
Instabug — now rebranded as Luciq — is an agentic mobile observability platform covering bug reporting, cra...
Developing 35 Usable, with meaningful gaps to close
Conekta
Conekta is a Mexico-based payment processor that lets businesses accept credit and debit cards, OXXO cash v...
Microsoft Azure Cloud
A comprehensive collection of Microsoft Azure cloud service APIs covering compute, storage, databases, AI, ...
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...
Tray.io
Tray.io (now also known as Tray.ai) is an AI-ready integration platform as a service (iPaaS) that enables b...
Ubiquiti
Ubiquiti Inc. (NYSE: UI) is an American networking technology company that designs and sells wireless a...
Kushki
Kushki is an Ecuador-headquartered LatAm fintech operating as a regional non-banking acquirer for the Andea...
LangWatch
LangWatch is an open-source LLM observability, evaluation, and AI agent testing platform. Built around Open...
Cisco Systems
Cisco Systems is a global technology company providing networking, security, collaboration, and cloud infra...
Forethought
Forethought is a San Francisco-based generative AI customer-support platform. Its multi-agent product suite...
TrackingMore
TrackingMore is a multi-carrier shipment tracking platform offering a unified REST API that integrates with...
Whereby
Whereby is an embeddable video API plus standalone meetings product that lets developers add browser-based,...
Argo Workflows
Argo Workflows is an open-source, container-native workflow engine for orchestrating parallel jobs on Kuber...
Wix
Wix is a cloud-based web development platform that allows users to create professional websites and online ...
Mapbox
Mapbox is a leading mapping and location data platform that provides tools and services to help developers ...
Ricoh USA
Ricoh USA is the United States operating company of Ricoh Co., Ltd. — a global imaging, printing, document ...
Jito Labs
Jito Labs is the Solana MEV infrastructure company behind Jito-Solana, the MEV-enabled validator client tha...
Formant
Formant is a San Francisco–based robotics and physical-operations cloud platform that lets companies operat...
Bloom Credit
Bloom Credit is a fintech infrastructure company providing API access to consumer credit data from all thre...
Apache Dubbo
Apache Dubbo is a high-performance, Java-based open-source RPC framework that provides service discovery, t...
ngrok AI Gateway
ngrok AI Gateway provides traffic management and security for AI APIs including multi-provider routing, aut...
Apifuse
Apifuse is a native integration platform that enables SaaS companies to build and embed integrations direct...
Sumsub
Sumsub is a London-headquartered global verification platform offering an integrated full-cycle solution fo...
Loops
Loops is a modern email platform purpose-built for software companies, combining product, marketing, and tr...
IEEE Xplore
IEEE Xplore is the authoritative technical library operated by the Institute of Electrical and Electronics ...
WeChat
WeChat (Weixin) is Tencent's flagship super-app, combining messaging, social, payments, mini-apps, official...
freshworks
Freshworks is a software company that develops cloud-based business software including customer support, IT...
launchdarkly
LaunchDarkly is a feature management platform that enables development teams to deliver and control softwar...
Juniper Mist AI
Juniper Mist AI is the AI-driven enterprise networking platform that powers Juniper Networks' AI-Native Net...
ACI.dev
ACI.dev (Aipolabs Agent-Computer Interface) is an open-source tool-calling platform that hooks AI agents in...
Bifrost
Bifrost is a high-performance open-source AI gateway that unifies access to 20+ AI providers through a sing...
bugsnag
Bugsnag is an application stability monitoring platform that helps software teams detect, diagnose, and fix...
Authentik
Authentik is an open source identity provider with a comprehensive REST API for managing users, groups, flo...
OpenHands
OpenHands (by All Hands AI, formerly OpenDevin) is an open-source autonomous coding agent platform. Ships a...
Apache DolphinScheduler
Apache DolphinScheduler is a modern distributed and extensible data orchestration platform governed by the ...
Thin 26 Limited public surface area
Upwork
Upwork is a global freelancing platform that connects businesses with independent professionals through a t...
Bloomberg News
Bloomberg News is a leading global provider of financial news, data, and analysis, delivering breaking news...
Surge AI
Surge AI is a human-data company that provides large-scale, expert-quality labeled data for training and ev...
Lex Machina
Lex Machina is a legal analytics platform owned by LexisNexis that transforms raw court documents and docke...
API.Video
api.video is a video infrastructure platform offering APIs for video on demand, live streaming, analytics, ...
Medusa
Medusa is an open-source headless commerce platform written in Node.js and TypeScript, distributed under th...
OPay
OPay is a Nigerian mobile money and fintech super-app operated by Blue Ridge Microfinance Bank (OPay Digita...
Linear
Linear is an issue tracking and product development platform for software teams covering Intake, Plan, Buil...
Healthie
Healthie is a cloud, API-first EHR and practice management platform purpose-built for digital health startu...
Polar
Polar Electro Oy (operating as Polar Global) is a Finnish sports and fitness technology company founded in ...
BlackRock
BlackRock is the world's largest asset manager with over $10 trillion in assets under management. Through i...
AutoRest
AutoRest is an open source tool from Microsoft (MIT License) that generates client libraries for accessing ...
Agora
Agora is a real-time engagement platform providing ultra-low latency voice, video, signaling, chat, interac...
BetSolutions
BetSolutions provides a casino and gaming platform API offering a two-way HTTP API with JSON data format fo...
Banuba
Banuba is an AR and AI technology company providing the Face AR SDK for augmented reality face effects, bea...
Bloomberg Intelligence
Bloomberg Intelligence provides research, data, and analytics on companies, industries, credit, government,...
Shelf.io
Shelf.io is the first knowledge automation platform and next-generation AI agentic platform for knowledge m...
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 ...
Garmin
Garmin is the global leader in GPS-enabled wearables, cycling computers, outdoor handhelds, marine electron...
Yarn
Yarn is an open-source JavaScript package manager and project manager originally created at Facebook in 201...
Atomic
Atomic is the connected-banking infrastructure for income, payroll, and merchant data. Their user-permissio...
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 ...
Bloomberg Enterprise
Bloomberg Enterprise provides enterprise-grade financial data distribution, analytics, and connectivity sol...
Emerging 21 Early or largely undocumented
Fawry
Fawry is Cairo-based Egypt's leading provider of e-payments and digital finance solutions, operating a nati...
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...
Lido
Lido is the leading liquid staking protocol on Ethereum, allowing anyone to stake ETH without locking it or...
Firely
Firely is an Amsterdam-based health IT company and one of the original co-developers of the HL7 FHIR (Fast ...
Signifyd
Signifyd is an ecommerce fraud prevention, chargeback protection, and revenue optimization platform. Its Co...
Eyevinn Technology
Eyevinn Technology is a Stockholm, Sweden based video streaming consultancy and open source company special...
Pagar.me
Pagar.me is the API-first online payments platform from Stone Co., one of Brazil's largest financial techno...
Pendle Finance
Pendle Finance is a decentralized yield-trading protocol that tokenizes future yield by stripping yield-bea...
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...
HPE Aruba Networking
HPE Aruba Networking is the networking business unit of Hewlett Packard Enterprise (NYSE HPE), born of Arub...
Chubb
Chubb Limited is the world's largest publicly traded property and casualty (P&C) insurance company, serving...
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...
API League
API League is a comprehensive API marketplace aggregating 60+ best-in-class APIs across categories includin...
Babylon.js
Babylon.js is an Apache-2.0 licensed, TypeScript-first open-source 3D engine and rendering framework sponso...
QuEra Computing
QuEra Computing is a Boston-based neutral-atom quantum computing company (founded 2018) that operates Aquil...
Sourcepoint
Sourcepoint is a New York City-headquartered enterprise privacy and consent management technology company f...
Kount
Kount is a Boise, Idaho-based fraud prevention and chargeback management platform, now operating as part of...
Sierra
Sierra is a conversational AI platform for customer experience, founded in 2023 by Bret Taylor (former co-C...
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 SDKAgent 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 SDK
Showing 40 of 169 declared variants