A robust real-time engagement platform providing global SDKs for interactive voice and video.
APIs software — full catalog
Browse every apis tool tracked on A2Key. Filter by price, rating and pricing model, or jump to our editorial Best APIs ranking →
- Products tracked
- 51
- Avg rating
- 4.5/5
- Verified reviews
- 6,120+
- Active deals
- 6
Top-rated APIs for 2026
A global real-time network for building scalable, interactive communication and messaging experiences.
Access Governance for WordPress. Control roles, users, content, admin areas, and APIs to prevent broken access controls and excessive privileges.
A robust real-time engagement platform providing global SDKs for interactive voice and video.
A global real-time network for building scalable, interactive communication and messaging experiences.
Access Governance for WordPress. Control roles, users, content, admin areas, and APIs to prevent broken access controls and excessive privileges.
Fully Local Manus AI. No APIs, No $200 monthly bills. Enjoy an autonomous agent that thinks, browses the web, and code for the sole cost of electricity. 🔔 Official updates only via twitter @Martin993886460 (Beware of fake account)
Linter for APIs defined in protocol buffers
The Cloud-Native API Gateway and AI Gateway
The complete load testing platform. Everything you need for production-grade load tests. Serverless & distributed. Load test with Playwright. Load test HTTP APIs, GraphQL, WebSocket, and more. Use any Node.js module.
Graph database supporting RDF data model, Sesame, and Blueprint APIs
CLI of the open-source IDE For exploring and testing APIs
Command-line interface for the Censys APIs (censys.io)
Open-source reporting platform to build and share live dashboards from APIs, SQL and NoSQL databases, with powerful AI assistant, scheduling, and embeddable charts 📈📊
An open-source storage framework that enables building a Lakehouse architecture with compute engines including Spark, PrestoDB, Flink, Trino, and Hive and APIs
1200+ DevOps Bash Scripts - AWS, GCP, Kubernetes, Docker, CI/CD, APIs, SQL, PostgreSQL, MySQL, Hive, Impala, Kafka, Hadoop, Jenkins, GitHub, GitLab, BitBucket, Azure DevOps, TeamCity, Spotify, MP3, LDAP, Code/Build Linting, pkg mgmt for Linux, Mac, Python, Perl, Ruby, NodeJS, Golang, Advanced dotfiles: .bashrc, .vimrc, .gitconfig, .screenrc, tmux..
Web APIs for Django. 🎸
Gin is a high-performance HTTP web framework written in Go. It provides a Martini-like API but with significantly better performance—up to 40 times faster—thanks to httprouter. Gin is designed for building REST APIs, web applications, and microservices.
IDE for exploring GraphQL APIs
Testing client for REST, GraphQL, and HTTP APIs
Python wrapper for the various Internet Archive APIs
Repair malformed JSON from LLMs, APIs, logs, and user input in Python.
Secure and protect WordPress REST API from unauthorized access using JWT token, Basic Authentication, API Key, OAuth 2, or external token.
Custom ad server APIs
Web application framework for writing web APIs in C
SDK for building Kubernetes APIs using CRDs
Easily check your clusters for use of deprecated APIs
GLib-based library for accessing online service APIs
Python SDK, Proxy Server (AI Gateway) to call 100+ LLM APIs in OpenAI (or native) format, with cost tracking, guardrails, loadbalancing and logging. [Bedrock, Azure, OpenAI, VertexAI, Cohere, Anthropic, Sagemaker, HuggingFace, VLLM, NVIDIA NIM]
Native chat application for all major LLM APIs
An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.
Create mock APIs in seconds
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
TUI to list, browse and run APIs defined with openapi spec
Powerful command-line document and bibliography manager
Playdate Lua and C APIs, docs and Simulator for local development
A collective list of free APIs
Qt 5 Core APIs that were removed in Qt 6
Provides APIs for playing back and recording audiovisual content
Provides APIs for inter-process communication
TLS/SSL and crypto library with QUIC APIs
HTTP client that helps testing and describing APIs
JSON parser/generator for C++ with SAX and DOM style APIs
CLI tool for interacting with REST-ish HTTP APIs
Create full-fledged APIs for slowly moving datasets without writing a single line of code.
Scan for misconfigured S3 buckets across S3-compatible APIs!
Searches Hash APIs to crack your hash quickly
Slim is a PHP micro framework that helps you quickly write simple yet powerful web applications and APIs.
This tool is a command-line client for the SSL Labs APIs
Zero-ETL, infinite possibilities. Live query APIs, code & more with SQL. No DB required.
Editor for designing and documenting APIs
An open, sub-millisecond, single-executable Firebase alternative with type-safe APIs, built-in WebAssembly runtime, realtime subscriptions, auth, and admin UI built on Rust, SQLite & Wasmtime.
Fast and idiomatic client-driven REST APIs
Simulator for HTTP-based APIs
Top APIs compared side-by-side
Ratings, pricing and reviews for the 5 highest-rated products in this category.
| Product | Rating | Reviews | Starting price | Action |
|---|---|---|---|---|
Agora A robust real-time engagement platform providing global SDKs for interactive voice and video. | 4.5 | 500 | Contact | Details |
PubNub A global real-time network for building scalable, interactive communication and messaging experiences. | 4.5 | 500 | Contact | Details |
Advanced Access Manager – Access Governance for WordPress Access Governance for WordPress. Control roles, users, content, admin areas, and APIs to prevent broken access controls and excessive privileges. | 0.0 | 0 | Contact | Details |
agenticSeek Fully Local Manus AI. No APIs, No $200 monthly bills. Enjoy an autonomous agent that thinks, browses the web, and code for the sole cost of electricity. 🔔 Official updates only via twitter @Martin993886460 (Beware of fake account) | 0.0 | 0 | Contact | Details |
api-linter Linter for APIs defined in protocol buffers | 0.0 | 0 | Contact | Details |
How to choose the right APIs
A quick, opinionated framework for narrowing dozens of apis options down to the one that fits your team, budget and roadmap.
1. Define your must-have features
Before comparing apis products, list the two or three workflows you can't compromise on — integrations with your stack, team-size limits, security or compliance requirements. Every top pick below meets baseline needs, but only a couple will nail your specific use case.
2. Weigh sticker price vs. total cost
Advertised starting prices rarely tell the full story. Factor in per-seat scaling, add-ons, integration fees, and support tiers. Our price comparison surfaces the real out-the-door cost across merchants, plus historical trends so you can time the purchase.
3. Validate with real reviews
Filter reviews by company size and industry that match yours — a five-star apis product for a solo creator may be the wrong fit for a 500-person org. We tag verified purchases and highlight recurring pros and cons across hundreds of reviews.
4. Shortlist alternatives before you buy
Every apis product on A2Key ships with a curated alternatives list. Comparing two or three finalists side-by-side surfaces trade-offs — feature parity, pricing, support, roadmap velocity — that a single-product review can miss.
Frequently asked questions
Everything shoppers ask before buying APIs.
What is APIs?
APIs software in Development.. A2Key tracks 51+ apis products with verified buyer reviews, live price comparison across trusted merchants, and hand-picked deals updated every hour.
How to choose the right apis
- • Compare verified prices from 5+ trusted sellers before you buy.
- • Read real user reviews filtered for verified purchases and active accounts.
- • Check alternatives — we curate the closest competitors for every product.
- • Watch the price history chart to time your purchase around discounts.
Why buy apis through A2Key
Every merchant in our directory is vetted for fraud risk, refund policy and SLA. Activate price alerts to be notified the moment APIs drops to your target price, or browse today's hand-picked deals for instant savings.