Instant Web API Alternatives (September 2025)

Eliminate the need for back-end development, instantly generate RESTful APIs with PrestoAPI.

Rapid Application Development Environment, Generating Complete Applications Faster. RadSystems provides countless design options and components for generating modern applications and API. with Little or No Coding.

Swagger UI allows development team to visualize and interact with the API’s resources without having any of the implementation logic in place. Learn more.

Web application to create a full-featured Bootstrap Admin Dashboard from your relational database with CRUD operations in PHP.

PHPRunner is a perfect PHP code generator and form builder. Build PHP/MySQL web forms in minutes.

Create a REST API from any database. Hook up any SQL or NoSQL database and the CData API Server instantly generates flexible, comprehensive, & fully documented APIs.

Simplify API development for users, teams, and enterprises with our open source and professional toolset. Find out how Swagger can help you and get started today.

.NET & .NET Core workflow engine, and a workflow server that enable you to add custom executable workflows of any complexity to your app.

DevExpress provides best-in-class UI controls, tools, and frameworks for WinForms, ASP.NET, MVC, Blazor, ASP.NET Core, WPF, VCL, Xamarin, and JavaScript developers.

With AI2sql, engineers and non-engineers can easily write efficient, error-free SQL queries without knowing SQL.

Active Query Builder. A Visual SQL Query Builder to add friendly ad-hoc querying module to your software.

Build apps at lightning speed with a visual low-code app builder featuring UI, Codeless logic, real-time database, messaging, and more.

Retool is the fastest way to build internal software. Use Retool's building blocks to build apps and workflow automations that connect to your databases and APIs, instantly.

Instantly generate APIs from any database with built-in enterprise security controls that operates on-premises, air-gapped, or in the cloud.

Entity Developer is a first-class ORM model designer for Entity Framework, Entity Framework Core NHibernate, Telerik Data Access, and LINQ to SQL.

Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.

API design tool from XapiHub, learn more on how you can streamline the api design process with a suite of tools today!

General introductory overview of Entity Framework Core

Knack makes it easy to build custom online databases without coding. Simple, powerful, backed by world class support. Build your own custom database today!

App Builder is a cloud-based WYSIWYG drag & drop tool that helps design and development teams build business apps fast. Instant Real-Time Preview. Try App Builder

SQLyog Ultimate is the best MySQL GUI for database developers. Compare and synchronize data, manage SQL queries, and keep your database safe.

Low-code visual way to build your app's backend workflows, APIs, scheduled jobs, cloud functions - powered by AI. Combines the best of no code and code.

Baserow allows you to create databases and applications without code. Streamline your data management, collaborate in real-time, and scale with maximum flexibility. Self-host for unlimited rows and storage. Try for free today!

Transform your app development with FAB Builder's seamless code generation. Simplify workflows, unlock creativity, and bring your ideas to life effortlessly.

With Stoplight, you can create OpenAPI descriptions, documentation, and mock servers much faster than other API tools — with no specialized knowledge required — all in one centralized platform.

Leading Open Source API Development Platform for HTTP, REST, GraphQL, gRPC, SOAP, and WebSockets

Don't wait for the backend to be ready, generate custom API responses with Mocky and start working on your application straightaway

Power model driven application development tools

Automatically generate high-quality PDF documents from reusable Word templates and JSON or Excel data with DocuGenerate’s API and web app · Start Generating for Free

Simplify API onboarding and consumption with an API Portal that’s purpose-built for API teams to create, secure, market, and monetize API products.

Get started with Microsoft SQL Server downloads. Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs.

Discover Rapid's API Marketplace for easy API monetization and better API management. Learn about API testing tools and monetize your APIs effortlessly.

WeWeb is an no-code front-end builder that you can use to build on-top of any back-end. Try it out for free, and start building your web app today!

Easily manage and secure your data with dbFront, the intuitive front-end tool for SQL Server, Oracle, and MySQL databases. No coding required and dynamic adaptability to database changes. Start a free trial today to experience simplified database administration.

The Trusted Developer Experience platform for APIs. Achieve faster API onboarding via automatic SDKs, docs, code samples, and guided walkthroughs.

Develop 10 times faster

Zuplo is the API management platform for developers. Build, deploy, and scale APIs faster with Zuplo.

WireMock is a tool for building mock APIs. API mocking enables you build stable, predictable development environments when the APIs you depend on are unreliable or don’t exist.

Low Code Web Application Builder to build web database applications in a fraction of the time. No programming, database, web or user interface skills required.

We provide simple and affordable open source data tools and utilities for small businesses. AppGini: Nocode collaborative applications in minutes. AppGini plugins to add powerful reports, advanced search, batch actions, and more.

Budibase is an open source low-code platform and the easiest way to build, automate, and ship internal tools. Check it out.

Keygen is a powerful software licensing API for desktop apps, on-premise software and other software products written in C++, C#, Swift, Java, Kotlin, Node and more.

Build document manipulation applications using High Code or Low Code APIs, or simply use cross-platform apps to view, compare, inspect or convert 100+ file formats. Explore Aspose, the leading provider of document processing APIs and software solutions.

Apiary provides the leading API-First platform designed specifically to help companies accelerate and control the design, development, and documentation of APIs.

Efficiently generate code snippets and structures

Appwrite is an open-source platform for building applications at any scale, using your preferred programming languages and tools.

Access is much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating customizable database applications.

A powerful CMS, BaaS, and more. Power any project with Directus – a composable data platform to easily create and deploy data-rich apps.

Create powerful beautiful documentation, hassle-free. DeveloperHub is hosted documentation portals service for Product and API Docs. Write your user guides, knowledge base, API and product documentation. Supports Swagger specification, search, collaboration, markdown, mobile devices and SEO. API Documentation as a service.

Nevatech Sentinet offers a flexible, lightweight and scalable API Management platform to help businesses maximize the value of their data. Try Nevatech Now!

Conektto is the best API design platform online for building great APIs. We understand what it takes to create an awesome API that leverages modern technology

An open-source Backend-as-a-Service stack for web & mobile applications, based on RESTful APIs.

Automate all database backups from a single place on the web. Connect to your databases (SQL Server, MySQL, PostgreSQL) and send backups to any cloud storage.

From signing to filing, it's never been easier or more affordable to engage customers with API toolkits from the leader in online legal services.

SashiDo.io is a serverless API development platform with scalable json rest and graphql apis, headless cms, built with nodejs, mongodb, parse server, kubernetes and docker.

EDI software tools to translate, generate, validate and acknowledge X12, HIPAA, EDIFACT, EANCOM, VDA, PNRGOV, HL7, NCPDP, IAIABC, EDIGAS

Use Beekeeper Studio to query and manage your relational databases, like MySQL, Postgres, SQLite, and SQL Server.

Our API Management platform is fast, scalable, modern. Including an open source API Gateway, Analytics, Dev Portal and Dashboard.

Navicat Premium allows user to connect MySQL, Redis, MariaDB, MongoDB, SQL Server, SQLite, Oracle & PostgreSQL databases within a single application, includes data modeling feature.

Must-have SQL Server tools list for database development and administration. Boost developer's productivity and save money with SQL Tools.Try it for free now!

The number one platform for Agile and DevOps teams, ReadyAPI powers functional, security, performance, and virtualization of SOAP & REST APIs.

Xojo is a cross-platform development tool and object-oriented programming language for creating powerful, native applications for macOS, Windows, Linux, the web, iOS, Android and Raspberry Pi.

Azure API Apps give you the tools to develop, host, secure, and share REST APIs in your organization or with the world.

Automated AI-powered tools to generate Code & Api documentation from your source code files.

Start building AI-powered applications using tools from Microsoft. Discover Power Apps and find all you need to build the AI-powered app solution for your organization.

KrakenD is a high-performance Open Source API Gateway that enables you to build scalable and resilient microservices architectures.

Download free website builder software! It's free, easy & no-code! 10000+ templates. Generate with AI

Migrate and build apps. Azure App Service is a fully managed platform for creating web applications. The app service offers a range of app development plans and services.

AppMaster is a No-Code platform designed to help businesses create production-level applications with source code generation: backend, web, and native mobile apps.

Free IP Geolocation API and Accurate IP Database provides country, city, zip code, ISP data in REST JSON and XML format from any IPv4 and IPv6 Address.

Database DevOps is a solution for automation of the SQL DB development through DevOps database continuous integration, and DevOps database continuous delivery.

Providing up to the minute vulnerability coverage for your entire estate. Thoroughly scan and test your Web Apps, Infrastructure, Single Page Apps (SPAs) and APIs including Swagger (Open API), GraphQL and SOAP endpoints for security flaws, with our powerful browser based crawler.

Build real-world Web3 applications using Azure, Web3 developer tools, and security services.

IntelliSense-like code completion, SQL formatting, refactoring, and debugging in SQL Server Management Studio and Visual Studio

Single Mailbox Recovery (SMBR) software allows you to restore and recover mails or mailbox instead of the complete Exchange Database.

AWS certified developer. Custom nodejs developer. Custom python programmer. Snowflake and Redshift developer.

FUNCTION12 offers DevMode (Plus) and CodeGen, designed to automate and streamline the design-to-code process.

Quickly see all of your endpoints, your slow endpoints, and your endpoints with errors.

Join 1000+ companies that give their team members access to the right data at the right time. Generate a fully-featured operations software in a snap.

Create custom, responsive websites with the power of code — visually. Design and build your site with a flexible CMS and top-tier hosting. Try Webflow for free.

Advanced AI platform, for NER, sentiment analysis, emotion analysis, text classification, summarization, dialogue summarization, question answering, text generation, image generation, translation, language detection, grammar and spelling correction, intent classification, paraphrasing and rewriting, code generation, chatbot/conversational AI, automatic speech recognition api, speech to text, semantic similarity, semantic search, speech synthesis, Part-Of-Speech tagging, tokenization, lemmatization, and embeddings. Use the best AI engines without sacrificing data privacy.

HTML to PDF API : Generate beautiful PDF documents or PNG screenshots with an API and store them directly in your own S3 bucket without compromising privacy with a managed Puppeteer

Bitquery offers APIs for 40+ blockchain chains (Bitcoin, Ethereum) and protocols (Uniswap), with real-time/historical data via Websockets, SQL, and Cloud services.

Monitor any webpage for changes. Download any data on the web as a spreadsheet. Turn any website into an API.

Easily integrate electronic signatures into your apps and workflows with our secure, simple, and fast eSignature REST API. Create a free sandbox today.

Publish always up-to-date API references, communicate changes to your users, improve discoverability and developer experience. Works with Swagger, OpenAPI, and AsyncAPI.

KingswaySoft is a leading provider of data integration software to integrate virtually any application or database system.

Cloud platform for web scraping, browser automation, and data for AI. Use 1,600+ ready-made tools, code templates, or order a custom solution.

Anyone can use Database Oasis to create completely custom databases for home or business. Designed for computer novices.

Develop enterprise applications faster with Visual LANSA, the leading low-code platform for building powerful, scalable solutions.

Innovate with low-code tools using Microsoft Power Platform—Power BI, Power Apps, Power Automate, and Power Pages.

Cloud platform for web scraping, browser automation, and data for AI. Use 1,600+ ready-made tools, code templates, or order a custom solution.

PDF.co Web API for extracting, editing, converting, merging, and splitting PDF documents. Save time with our powerful tools.

SQL Server, MySQL and PostgreSQL Backups made easy with SQLBackupAndFTP. All Backup types, Encryption, Compression, Scheduling, Email notifications, Sending to Folder, FTP or Cloud

DesignNBuy offers highly adoptive B2B & B2C web to print software solutions for printing and packaging businesses of all sizes and specialty. Our web2print is being used by many successful print brokers, wholesales printers, print reseller, real estate and marketing agencies.

Search through billions of items for similar matches to any object, in milliseconds. It’s the next generation of search, an API call away.

Oracle APEX is the world's most popular enterprise low-code application platform that enables you to build scalable, secure web and mobile apps, with world-class features, that can be deployed anywhere – cloud or on premises.

Get SQL Compare Bundle including dbForge Data Compare and dbForge Schema Compare for SQL Server. Save over 30% on database comparison and synchronization tools!

Azure Cosmos DB is a fully managed NoSQL and relational database for modern app development. Start building applications with a free trial.