Total Products under this Category: 172
Last updated: November 01, 2026
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G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.
Highlighted products: Postman, MuleSoft Anypoint Platform, Celigo, Kong Konnect, Workato, Apidog, Boomi, and SAP Integration Suite.
Underlying data: [Grid® JSON](https://www.g2.com/categories/api-management/grids.json?focus%5B%5D=postman&focus%5B%5D=mulesoft-anypoint-platform&focus%5B%5D=celigo&focus%5B%5D=kong-inc-kong-konnect&focus%5B%5D=workato&focus%5B%5D=apidog&focus%5B%5D=boomi&focus%5B%5D=sap-integration-suite)
Sensedia's API Platform enables exposure, consumption and management of resources and data for app creation, integration with partners and customers, and strategies of open innovation. See more information at https://sensedia.com
Simceptor is a cloud-hosted mock API server that enables developers to create and test REST, SOAP, and WSDL endpoints without backend coding. The no-code interface allows instant setup of mock servers, eliminating hardcoded JSON files. [redacted]. The platform includes [redacted]. Latency simulation tests UI loading states, while custom headers support CORS and authentication scenarios. An interactive API Playground enables direct endpoint testing within the browser. The Stateful Scenario Canvas provides visual design of multi-step flows with session management backed by Redis. Webhook forwarding simulates callbacks and event-driven architectures. Model Context Protocol integration connects AI tools like Cursor and Claude for mock creation. An AI Issue Tracker flags and automates fixes for identified bugs. The platform supports importing Swagger, OpenAPI, and Postman collections to auto-generate mock endpoints from existing schemas.
SimItNow gives you virtual charging stations and electric cars that you control with API calls, so you can see how your back end (the CSMS, also called CPMS) behaves before real hardware arrives.
Connect G2 to Claude or ChatGPT for answers grounded in G2's trusted reviews, comparisons, and pricing from real user insights.
Pre-spend firewall for AI agents. One API call approves, blocks, or flags every transaction before a dollar moves.
Smile API is a real-time platform that enables businesses to access verified identity, employment, and income data through a single API. By aggregating information from various sources—including government systems, HR and payroll platforms, and gig economy services—Smile API streamlines processes such as onboarding, background checks, and application processing. This centralized approach allows organizations to make faster, more accurate decisions while enhancing user trust and compliance. Key Features and Functionality: - Real-Time Data Access: Instantly retrieve up-to-date identity, employment, and income information from multiple verified sources. - Comprehensive Data Aggregation: Consolidates data from government institutions, HR and payroll systems, and gig economy platforms into a unified API. - Seamless Integration: Provides a RESTful API with JSON responses, facilitating easy integration into existing systems. - Use Case Versatility: Supports various applications, including Buy Now, Pay Later services, personal lending, earned wage access, banking, card issuing, recruitment, rental verification, and data services. - Enhanced Fraud Detection: Offers real-time, verified data to cross-verify applicant information, reducing the risk of fraudulent activities. Primary Value and User Solutions: Smile API addresses the challenges of manual and fragmented data verification processes by providing a centralized, real-time solution. For lenders, it accelerates loan approvals, reduces operational costs, and minimizes default risks by offering accurate and comprehensive borrower profiles. Recruiters benefit from streamlined background checks and employment history verification, enhancing hiring efficiency and decision-making. Overall, Smile API empowers businesses to make informed decisions quickly, improve risk management, and enhance user experiences by ensuring data accuracy and reliability.
Unified REST API for publishing, reading, and responding across 11 social platforms natively integrated with AI agents through MCP, eliminating the need for developers to build separate integrations for each channel.
SocialAPIs is a unified REST API for public social-media data. One authentication, one rate limit, and 50+ endpoints across Facebook (pages, posts, marketplace, ads, groups, reels) and Instagram (profiles, posts, reels, hashtags). No Facebook app registration or OAuth flow required. Ships with official Python, JavaScript/TypeScript, and Go SDKs, plus an MCP server for AI-agent integrations (Claude Desktop, ChatGPT). Structured JSON responses, credit-based billing, 200 free API calls per month with no credit card. Paid plans from $4.99/mo. A lower-friction alternative to Bright Data, Apify, RapidAPI, and ScraperAPI for social-media use cases. **Pricing** (enter real tiers): Free — $0/mo — 200 credits Pro — $4.99/mo — 1,500 credits Ultra — $49/mo — 30,000 credits Mega — $179/mo — 120,000 credits Enterprise — custom
Specmatic is a visual AI-ready API testing and governance platform that transforms API specifications into executable contracts, enabling development teams to validate API implementations, perform service virtualisation, and monitor API ecosystem health without writing code. This comprehensive solution addresses the critical challenges faced by organisations using microservices architectures, where API compatibility issues often emerge late in the development cycle. Built on the open-source Specmatic engine, the platform serves software development teams, QA engineers, API architects, and engineering managers who need to ensure reliable API integrations whilst maintaining development velocity. The platform consists of two integrated components: Studio provides a visual, no-code interface for contract testing, API mocking, and specification management, whilst Insights delivers organisation-wide API governance through dependency visualisation and adoption analytics. Teams can either directly access the underlying Specmatic engine via CLI for programmatic control or leverage Studio's graphical interface for collaborative workflows. Key Features and Benefits: • Visual Contract Testing: Automatically generates and executes comprehensive API tests from specifications (OpenAPI, AsyncAPI, GraphQL, gRPC, WSDL, Arazzo) without requiring code, enabling cross-functional teams to participate in API quality assurance • Intelligent Service Virtualisation: Creates realistic API mocks based on specifications with fault injection capabilities, allowing teams to test against dependencies and simulate error conditions like timeouts and service failures • Backward Compatibility Validation: Integrates with Pull/Merge Request workflows to identify breaking changes before code implementation, preventing integration issues from reaching production environments • Multi-Protocol Support: Supports diverse API specifications and communication protocols including HTTP (REST), Kafka, JMS, Google Pub/Sub, SOAP, JDBC, RESP (Redis), and Avro in a language-agnostic manner • Organisational API Governance: Provides service mesh visualisation, contract adoption tracking, and integration health monitoring through centralised dashboards that aggregate data from multiple development environments The platform enables teams to practice contract-driven development by treating API specifications as living, executable documents rather than static documentation. This approach reduces dependency on integration testing, accelerates parallel development of services, and provides early detection of compatibility issues. Development teams can work independently whilst maintaining API contract compliance, significantly reducing time-to-market for new features and services. Specmatic Studio & Insights integrates seamlessly with existing CI/CD pipelines and development workflows, making it suitable for organisations of varying sizes that need to scale their API testing and governance practices without increasing technical complexity or resource requirements.
StayingAPI gives developers and AI agents live accommodation data from Airbnb, Booking.com, Vrbo, and Google Hotels through one API, all in the same schema. You get search, availability, live prices, cross-OTA price comparison, reviews, and full listing details, so you don't have to build and maintain a separate scraper for each site. Call it over REST, or point an AI agent at the native MCP server. There's a free key with no card, pricing is credit-based, and you're not billed for failed or empty calls.
One API for all ecommerce stores.
Switchboard by Switch Labs provides a unified API for micromobility IoT hardware and connected vehicles. Developers and fleet operators can integrate supported devices, send vehicle commands, and work with telemetry through one application interface. The platform supports mixed hardware fleets and exposes lock, unlock, status, and tracking workflows alongside webhooks and device events. Command confirmation and connection visibility help applications follow the result of an operation. Teams can use the same integration layer as their hardware mix grows. Switchboard is intended for rental, fleet-management, and connected-vehicle services. Plans range from small pilots to larger fleets, with enterprise and deployment options available for operators with additional requirements.
SyncTree strives to be a "Super Connecting Platform" that can easily connect any services you want. With SyncTree, which consists of SyncTree STUDIO, a solution for building backend business logic with block coding, and Block Store, a platform for buying and selling pre-made backend function blocks like App Store, you can organically utilize data and connect services to achieve unlimited service expansion. Based on aPaaS, Block Store provides APIs from various services such as ChatGPT, DALLE, YouTube, etc. in the form of 'backend function blocks', which you can subscribe to and then combine as you want quickly in SyncTree STUDIO to build your business logic. SyncTree is for everyone, whether you're an individual or a business, and you can subscribe and use it according to your needs, from the free version to the PRO version.
ThirdWatch is a next-generation API monitoring platform designed for development teams who need reliable uptime tracking across all their services. Unlike traditional uptime monitors, ThirdWatch handles authenticated APIs out of the box, OAuth2 client credentials, password grant, API keys, bearer tokens, and custom login flows are all supported with automatic token refresh. Key features: • HTTP/HTTPS health checks with configurable intervals (30s to 24h) • Automatic authentication : monitor protected endpoints without manual token management • Swagger/OpenAPI import : upload a spec file and create monitors for all your endpoints in one click • Multi-channel alerts : Discord, Slack, Microsoft Teams, and custom webhooks with cooldown and severity rules • API scenarios : chain multiple API calls with variable extraction and assertions to test complex workflows • Incident management : automatic incident creation with severity levels, acknowledgment, and resolution tracking • Team collaboration : multi-organization support with role-based access control (Owner, Admin, Editor, Viewer) • Real-time dashboard : response time charts, uptime percentage, and performance anomaly detection • Bilingual interface : English and French ThirdWatch is deployed on European servers (OVH, France) for GDPR compliance. Pricing starts with a 14-day free trial (no credit card required). Plans: Starter (€11,99/month, free trial), Pro (€29/month), Enterprise (€99/month).
Tokenhot provides unified API gateway infrastructure and developer tools designed for generative AI models. The platform enables developers and enterprises to integrate, route, and manage generative AI APIs efficiently, offering high-concurrency routing, automated rate limiting, usage analytics, and seamless model deployment.
TotalHeal APIShield is the API Security product of TotalHeal, the security platform made in India by Freaquer Corporation Private Limited. Protect API hosts at the same edge that runs WebShield. It is managed from the TotalHeal console together with the other TotalHeal products, under one account and one bill. TotalHeal is available as a cloud service and for on-premises deployment. Every organisation can start a 30-day free trial from the console.
