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RESTful APIs
Representational State Transfer (REST) is an architectural style for designing networked applications. RESTful APIs use HTTP methods to perform CRUD operations and communicate between client and server using stateless, cacheable requests with standard conventions. This collection covers RESTful API design principles, best practices, standards, tools, and the OpenAPI Specification ecosystem.
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DomainSecurityWebsiteOpenAPI SpecificationRFC 7231 HTTP SemanticsRoy Fielding REST DissertationRichardson Maturity ModelOWASP API Security Top 10JSON API SpecificationHAL SpecificationSwagger ToolsPostman REST Client
Providers working in RESTful APIs
Providers whose own tags share at least two of this topic's tags, most shared first — the top 30 of 35.
| Provider | About | Rating | APIs |
|---|---|---|---|
| REST | REST (Representational State Transfer) is an architectural style for designing networked applications, defined by Roy Fielding in his 2000 doctoral dissertation. REST uses stateless communication, standard HTTP methods (GET, POST, PUT, DEL… | emerging | 4 |
| RESTful Services | Representational State Transfer (REST) services are web services built using the REST architectural style, which uses stateless HTTP communication and standard HTTP methods (GET, POST, PUT, DELETE, PATCH) to expose resources. RESTful servi… | emerging | 5 |
| RESTful | Representational State Transfer (REST) is an architectural style for designing networked applications using stateless HTTP communication and uniform interfaces. RESTful describes systems and APIs that conform to the REST constraints: clien… | emerging | 5 |
| Postman | Postman is the world's leading API platform, used by 35+ million developers to design, build, test, document, mock, monitor, and govern APIs across the entire API lifecycle. The platform spans Collections, Workspaces, the API Client, Spec… | exemplar | 22 |
| 0xArchive | 0xArchive is a replayable market-data archive for two decentralised perpetuals venues, Hyperliquid and Lighter, delivered as one REST API, one WebSocket API that carries both live subscriptions and historical replay on a single connection,… | exemplar | 2 |
| Cvent Event Cloud | Cvent Event Cloud is the event management product line of the Cvent Platform. It supports the full event lifecycle: event creation, registration, marketing, agenda and session management, mobile event apps, onsite check-in, virtual and hyb… | exemplar | 2 |
| Amazon API Gateway | Amazon API Gateway is a fully managed service that makes it easy to create, publish, maintain, monitor, and secure APIs at any scale. It acts as the front door for applications to access backend services, supporting REST APIs, HTTP APIs, a… | exemplar | 13 |
| StayingAPI | Unified accommodation-data API returning live search, availability, price, cross-OTA price comparison, and normalized reviews across Airbnb, Booking.com, Vrbo, and Google Hotels via a single normalized JSON schema, so one integration cover… | strong | 2 |
| Routebase | API lifecycle platform covering Design (visual OpenAPI editor), Mock (spec-driven mock servers), Test (suites, assertions, OWASP security scanning), Document (published docs portals), and Agents (MCP server), built around a single living O… | strong | 2 |
| Netcracker | Netcracker Technology is a Waltham, Massachusetts-based BSS/OSS and digital business software vendor and a wholly owned subsidiary of NEC Corporation. It sells cloud BSS, digital commerce and monetization, convergent charging, service and… | strong | 4 |
| APIVerve | An agent-native API marketplace exposing 300+ (367+ enumerated) ready-made REST APIs behind a single API key with a uniform JSON envelope. Offers REST, an alpha GraphQL gateway, OpenAPI + Postman contracts, a self-hosted apis.json, an llms… | strong | 1 |
| Autodesk | Autodesk is a global leader in design, engineering, and entertainment software, providing cloud-connected platform APIs through Autodesk Platform Services (APS). APS APIs enable developers to build applications that access design data, aut… | strong | 12 |
| Odds API | OpenAPI-first sports betting odds API (odds-api.net) providing bookmaker odds, odds comparison, arbitrage, positive EV, line movement, and racing/sports coverage via REST plus SSE and WebSocket streaming. Agent-native with an MCP server, l… | strong | 2 |
| ReefAPI | ReefAPI is a unified web-data gateway that fronts 183 production data engines - Amazon, Zillow, Reddit, Trustpilot, LinkedIn Jobs, Indeed, Google Maps, Booking.com, StockX, YouTube and more - behind ONE JSON contract, ONE API key and ONE s… | strong | 1 |
| MediaCaption API | A credit-billed REST API for retrieving public YouTube transcripts, with single and bulk transcript jobs, job-level webhooks, and AI transcription/translation capabilities. Backed by a public OpenAPI 3.1 contract with bearer/X-API-Key auth… | developing | 2 |
| ETSI | ETSI, the European Telecommunications Standards Institute, is a not-for-profit standards development organisation headquartered in Sophia Antipolis, France, and one of only three bodies officially recognised by the European Union as a Euro… | developing | 24 |
| Blng | BLNG is an AI-driven creative suite for the jewelry industry, giving jewelers, designers, brands, and retailers tools to explore, refine, and present designs fast and without compromise. Its Design product turns sketches, doodles, photos,… | developing | 4 |
| 3GPP | 3GPP (the 3rd Generation Partnership Project) is the global standards partnership that writes the technical specifications for mobile networks — GSM, UMTS, LTE, 5G and the ongoing 6G work — through seven regional Organizational Partners (A… | developing | 116 |
| AutoCAD | APIs for Autodesk AutoCAD, providing programmatic access to CAD design, drawing, and automation capabilities through Autodesk Platform Services (APS, formerly Forge) and desktop development environments including AutoLISP, ObjectARX, .NET,… | developing | 6 |
| Vehicles.dev | Automotive vehicle data platform offering a live REST API for VIN decoding, specifications, recalls, market valuation, depreciation, ownership costs, listings, price history, and photos, backed by federal sources (NHTSA vPIC, NHTSA recalls… | developing | 1 |
| Adsmom | Adsmom (SIA Adsmom) is a Latvia-based AI-powered ad intelligence platform that indexes 200M+ ads from Meta, TikTok and Google, decodes them with AI, and gives brands, agencies and research teams a clear read on what competitors are running… | developing | 1 |
| Ruby Programming Language and Popular API Gems | A profile of the Ruby programming language ecosystem from an API perspective: the language and its standard library HTTP surface (Net::HTTP), the rubygems.org package registry and its public v1/v2 REST API, Bundler, RBS type signatures, po… | developing | 1 |
| Acelab | Acelab is a Brooklyn, New York software company building Material Hub, an AI-assisted material intelligence platform for the architecture, engineering, construction and owner (AECO) market. Founded in 2019 by architecture graduates from Ha… | thin | 2 |
| Apache CXF | Apache CXF is an open-source Java services framework governed by the Apache Software Foundation that helps build and develop web services using JAX-WS (SOAP) and JAX-RS (REST) frontend APIs. It supports contract-first (WSDL) and code-first… | thin | 1 |
| CAMARA Project | CAMARA is the Telco Global API Alliance — an open-source project hosted by the Linux Foundation that defines, builds, and tests a unified set of network APIs across the world's mobile operators. Working alongside the GSMA Open Gateway comm… | thin | 24 |
| Rayon | Rayon is an AI-powered CAD (computer-aided design) platform built for interior designers and architects, positioned as a modern, browser-based alternative to legacy tools like AutoCAD and SketchUp. It provides professional 2D drafting and… | thin | 0 |
| Snaptrude | Snaptrude is a cloud-native design platform for architecture and interior design that unifies sketching, real-time collaboration, AI-assisted programming, and BIM into a single browser-based tool. Snaptrude 3.0 offers four integrated modes… | thin | 1 |
| Dropwizard | Dropwizard is a Java framework for developing ops-friendly, high-performance RESTful web services, pulling together stable, mature libraries from the Java ecosystem into a simple, lightweight package. | emerging | 1 |
| cURL | cURL is a command-line tool and library for transferring data with URLs. Originally released in 1997 by Daniel Stenberg, cURL is the de facto standard tool used by developers for testing, automating, and scripting interactions with HTTP, H… | emerging | 2 |
| NMFTA | The National Motor Freight Traffic Association (NMFTA) is the nonprofit membership body that has set the standards for North American freight since 1956, and through its Digital Standards Development Council (DSDC) it publishes that indust… | emerging | 6 |
Tags
ArchitectureHTTPRESTWeb ServicesOpenAPIStandardsDesign