Best API Management Tools - Page 9

How Many API Management Tools Products Does G2 Track?

Total Products under this Category: 150

Category Stats (Sep 2026)

  • Average Rating: 4.5/5 (↑0.02 vs Aug 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Gravitee.io (+0.9%) - Among all products in this category, Gravitee.io recorded the largest rating increase compared to last month

Last updated: September 01, 2026

How Does G2 Rank API Management Tools Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 11,600+ Authentic Reviews
  • 150+ Products
  • Unbiased Rankings

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.

G2 Grid® for API Management Tools

G2 Grid® for API Management Tools plotting products by satisfaction and market presence

Highlighted products: Postman, Celigo, MuleSoft Anypoint Platform, Kong Konnect, Workato, Apidog, Apigee Edge, and Amazon API Gateway.

Underlying data: [Grid® JSON](https://www.g2.com/categories/api-management/grids.json?focus%5B%5D=postman&focus%5B%5D=celigo&focus%5B%5D=mulesoft-anypoint-platform&focus%5B%5D=kong-inc-kong-konnect&focus%5B%5D=workato&focus%5B%5D=apidog&focus%5B%5D=apigee-edge&focus%5B%5D=amazon-api-gateway)

Fastrouter

FastRouter.ai is the unified API gateway for enterprise LLM operations, purpose-built for organizations deploying AI at production scale. The Challenge Managing multi-model AI infrastructure creates operational complexity. Teams face provider lock-in, integration overhead, reliability risks, cost unpredictability, and limited governance across distributed LLM deployments. The Solution FastRouter.ai provides a single control plane for your entire LLM infrastructure. Access 100+ models from OpenAI, Anthropic, Google, Meta, Cohere, and other providers through one OpenAI-compatible API endpoint. LLMOps Capabilities Intelligent Routing: Auto-router dynamically selects optimal models per request based on cost, latency, and output quality. No manual tuning required. - High Availability: Automatic retries and failover across providers ensure continuous operation. Virtual model lists enable seamless failover when individual providers experience downtime. - Enterprise Governance: Granular controls manage budgets, rate limits, and permissions at team, project, and API key levels. Role-based access controls prevent cost overruns and enforce usage policies. - Observability & Analytics: Real-time dashboards track token usage, request counts, latency metrics, error rates, and spending trends across all models and providers. Performance alerts notify teams of issues and anomalies. - Model Evaluation: Interactive playground enables side-by-side comparison of model outputs across providers to evaluate quality, consistency, and performance before production deployment. Deployment Model Drop-in OpenAI-compatible integration. Usage-based pricing with no setup fees, no monthly minimums, and no credit card required for initial testing with free credits. Built For AI engineering teams, ML platform leaders, and technical decision-makers managing production inference workloads who require provider flexibility, operational control, and cost visibility without vendor lock-in.

Who Is the Company Behind Fastrouter?

Fetchlayer

FetchLayer is a web scraping API that gives developers, AI agents, researchers, and businesses structured data from social platforms and popular websites, without managing scrapers, proxies, blocks, or rate limits.

Who Is the Company Behind Fetchlayer?

Fiorano API Management

Fiorano API Management is a Fiorano API platform which enables exposure of useful data to multiple parties including partners, developers and/or internal teams. It provides a platform to build web interfaces on top of existing HTTP or JMS services in a secure and reliable manner.

Who Is the Company Behind Fiorano API Management?

  • Seller: Fiorano Software
  • Year Founded: 1995
  • HQ Location: Palo Alto, California, United States
  • Twitter: @FioranoGlobal
    4,660 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    208 employees on LinkedIn®

Google Cloud API Gateway

Google Cloud API Gateway is a fully managed service that enables developers to create, secure, and monitor APIs for their applications. It acts as a central entry point, handling the processing and routing of API requests to backend services running in Google Cloud or other environments. Designed for scalability, reliability, and security, API Gateway ensures consistent performance under various loads and conditions. Key Features and Functionality: - Unified API Management: Consolidates multiple microservices under a single domain, providing a consistent interface for API consumers. - Security: Offers robust security features, including authentication mechanisms such as API keys, OAuth 2.0, JWT validation, and integration with Google Cloud's Identity and Access Management (IAM system. - Traffic Control: Implements rate limiting and quotas to manage API usage and protect against abuse or excessive use. - Monitoring and Logging: Provides detailed insights into API usage and performance through integration with Google Cloud’s operations suite, including Cloud Logging and Cloud Monitoring. - Serverless Integration: Seamlessly integrates with Google Cloud's serverless offerings like Cloud Functions, Cloud Run, and App Engine, facilitating the development and deployment of modern applications. Primary Value and Problem Solved: API Gateway simplifies the process of managing APIs by providing a single interface to access multiple backend services, reducing complexity for API consumers. It enhances security by enforcing authentication and authorization policies, ensuring that only authorized users can access the APIs. Additionally, it offers scalability and flexibility, allowing developers to focus on building great applications without worrying about the underlying infrastructure. By managing traffic, monitoring usage, and securing APIs, API Gateway helps organizations efficiently expose their services to internal and external developers, fostering innovation and collaboration.

Who Is the Company Behind Google Cloud API Gateway?

  • Seller: Google
  • Year Founded: 1998
  • HQ Location: Mountain View, CA
  • Twitter: @google
    31,899,995 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    301,144 employees on LinkedIn®
  • Ownership: NASDAQ:GOOG

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Google Cloud API Gateway?

Leen Unified API

Leen's Unified API streamlines the integration process by combining multiple APIs into a single, standardized interface. This approach simplifies development by providing consistent access to various services, abstracting away complexity, standardizing interactions, normalizing data formats, centrally handling security, and offering scalability. Developers benefit from maintaining just one integration while accessing centralized documentation and support resources. By leveraging Leen's Unified API, product and security teams can focus on their core roadmaps, rather than getting bogged down with integrations and data pipelines.

Who Is the Company Behind Leen Unified API?

  • Seller: Leen
  • Year Founded: 2023
  • HQ Location: San Francisco, US
  • LinkedIn® Page: www.linkedin.com
    14 employees on LinkedIn®

LinkupAPI

Give your AI agents access to LinkedIn, WhatsApp and Email

Who Is the Company Behind LinkupAPI?

Listen Notes Podcast API

Developer-friendly and Enterprise-grade Podcast API. Structured, relevant, real-time. Search the meta data of all podcasts and episodes by people, places, or topics. It's the Podcast API that quietly powers thousands of apps and websites since 2017.

Who Is the Company Behind Listen Notes Podcast API?

Mia-Platform Suite

Mia-Platform offers an AI-Native Developer Platform Foundation as a consciously designed holistic solution to build your own platform for the AI-native engineering era. Through a composable development approach, it allows development teams to create and manage applications in a single place. By managing the full lifecycle of AI agents, it supports their creation and orchestration as an integral element of the platform experience. By streamlining data integration, it allows to connect with any source, decouple data and serve them to cloud native applications in near-real time. Enabling a platform engineering approach it supports an intelligent DevX through its feature-rich Developer Portal. Consolidating all IT resources in one place, it enables a context-aware AI-native experience in every phase of the SDLC. Adopting Mia-Platform Suite delivers measurable benefits and quantifiable ROI from day one — speeding up time-to-market by up to 8 times, optimizing costs by 60%, and mitigating up to 90% of operational risks.

Who Is the Company Behind Mia-Platform Suite?

  • Seller: Mia-Platform
  • Year Founded: 2016
  • HQ Location: Milano, IT
  • Twitter: @MiaPlatform
    258 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    254 employees on LinkedIn®

Monoscope

Transform your tech team's API managements with APIToolkit. Our platform delivers real-time monitoring, error tracking, and performance insights, ensuring your APIs run flawlessly, and that your outbound API integrations don't impact your business with breaking changes. Help your support teams investigate customer complaints, and help your engineering teams better understand their systems and the systems they depend on.

Who Is the Company Behind Monoscope?

Netcracker Integration and API Mangement

Netcracker Integration & API Management provides standards-based tools for integration management, orchestration and visibility into BSS/OSS integrations.

Who Is the Company Behind Netcracker Integration and API Mangement?

  • Seller: NetCracker
  • Year Founded: 1993
  • HQ Location: Waltham, Massachusetts, United States
  • Twitter: @NetCrackerTech
    4,903 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    8,887 employees on LinkedIn®

OPA

Who Is the Company Behind OPA?

Probe42

Probe42 is a comprehensive data intelligence platform that provides detailed information on over 1.7 million Indian companies and 2.2 million directors. By aggregating data from more than 740 public sources, Probe42 offers businesses accurate and up-to-date insights into financials, compliance, and legal records. This enables organizations to make informed decisions, mitigate risks, and enhance operational efficiency. Key Features and Functionality: - Credit Risk Assessment: Evaluate the financial health and creditworthiness of potential clients and partners. - Financial Health Analysis: Access detailed financial statements, including balance sheets and profit and loss accounts. - Automated Data Collection: Gather information from multiple sources efficiently, reducing manual effort. - Real-Time Monitoring: Stay updated with the latest data and changes in company information. - Customizable Dashboards: Tailor dashboards to display relevant metrics and insights. - Predictive Analytics: Utilize data-driven forecasts to anticipate market trends and business opportunities. - Fraud Detection: Identify potential fraudulent activities through comprehensive data analysis. - Compliance Management: Ensure adherence to regulatory requirements by monitoring compliance statuses. - Portfolio Management: Oversee and manage a portfolio of companies with consolidated data views. - Customer Insights: Gain a deeper understanding of customers through detailed profiles and histories. - Benchmarking Tools: Compare company performance against industry standards and competitors. - Data Visualization: Interpret complex data sets through intuitive visual representations. - Risk Scoring: Assign risk scores to companies based on various financial and operational parameters. - Alerts and Notifications: Receive timely updates on critical changes in monitored companies. - Integration Capabilities: Seamlessly integrate Probe42 data with existing systems via APIs. - Report Generation: Generate comprehensive reports for analysis and decision-making. - Data Security: Ensure the confidentiality and integrity of data with robust security measures. - User Management: Manage access and permissions for team members effectively. - API Access: Leverage API endpoints for customized data retrieval and integration. - Mobile Access: Access the platform's features on mobile devices for on-the-go insights. Primary Value and Solutions Provided: Probe42 addresses the challenges businesses face in accessing reliable and comprehensive company information, especially for unlisted companies. By consolidating data from numerous sources into a single platform, it eliminates the need for manual data collection and verification, saving time and resources. The platform's real-time monitoring and predictive analytics empower organizations to proactively manage risks, enhance sales strategies, and improve overall productivity. Trusted by major banks and financial institutions in India, Probe42 serves as a critical tool for due diligence, compliance checks, and strategic decision-making.

Who Is the Company Behind Probe42?

ReqKey

Ship your API. We'll handle keys, credits, rate limits, and analytics. Add API keys, subscriptions or pay-per-use credits, rate limits, alerts, and request analytics with one lightweight SDK — without building custom authentication or usage-metering systems.

Who Is the Company Behind ReqKey?

  • Seller: ReqKey
  • Year Founded: 2026
  • HQ Location: N/A
  • LinkedIn® Page: www.linkedin.com
    1 employees on LinkedIn®

RequestRocket

RequestRocket's is a hyper scalable universal API authentication and authorization service. RequestRocket empowers organisations to centralise the management of access to third party systems, while offering the ability to down-scope permissions with fine grained access controls for any platform API. Our API's enable on demand configuration of authentication proxies across 6 continents allowing for low latency and high availability security improvements that comply with data sovereignty requirements.

Average Rating: 5.0/5.0

Total Reviews: 1

How Do G2 Users Rate RequestRocket?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind RequestRocket?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of RequestRocket?

Adam Crivello
AC
Researched and written by Adam Crivello
Updated February 24, 2026