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Where the information came from. Everything here is assembled from material a member of the public can reach with a browser and no credentials — the company's own website, developer portal and documentation, the specifications it publishes for public use (OpenAPI, AsyncAPI, JSON Schema,
apis.json,llms.txtand similar), its public repositories, and its public status, pricing and changelog pages. Nothing here is obtained by breaching a system, defeating an access control, or using credentials of any kind.The rating is an independent assessment. The Kin Score and Agent Readiness rating are independently calculated scores of a company's public API artifacts, produced by API Evangelist against a published rubric. They are not certifications, endorsements, security assessments, or audits, and they score published artifacts — not the quality, safety, or security of the software.
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Full detail: Where this data comes from
API Stack is a free directory and discovery platform powered by Apideck that catalogs 213+ third-party API tools and services across 50+ categories including API gateways, management, design, authentication, developer portals, specifications, testing, security, monitoring, and marketplaces, helping developers discover and evaluate the right API tooling for their needs.
URL: Visit APIs.json URL
Run: Capabilities Using Naftiko
- API Design, API Directory, API Gateways, API Management, API Monitoring, API Security, API Testing, API Tools, Apideck, Developer Tools, Directory, Discovery
- Created: 2025-01-08
- Modified: 2026-04-19
The API Stack Directory is a searchable catalog of 213+ API tools and services organized into 50+ categories. Each listing includes descriptions, features, pricing, screenshots, and external links to help developers evaluate and select the right tools for their API programs.
Human URL: https://www.apistack.io/
- API Directory, API Discovery, API Tools, Developer Tools
- Website
- Categories
- APIGateways
- APIManagement
- APIDesign
- APIAuthentication
- DeveloperDocumentation
- APIDirectories
- APISpecifications
| Name | Description |
|---|---|
| 213+ Tools Catalog | Comprehensive listing of API tools and services across 50+ categories with descriptions, features, and pricing. |
| Category Browsing | Organized categories for browsing by API lifecycle stage including design, development, testing, security, and monitoring. |
| Search and Discovery | Full-text search to find specific API tools matching developer requirements. |
| Tool Comparison | Detailed listing pages with features, pricing, and screenshots to help compare similar tools. |
| Powered by Apideck | Built and maintained by Apideck as part of the broader API ecosystem alongside API Tracker and Open Banking Tracker. |
| Name | Description |
|---|---|
| API Tooling Discovery | Developers and architects find and evaluate API tools across all stages of the API lifecycle. |
| API Gateway Selection | Compare API gateway options from open source to enterprise to find the right solution for infrastructure needs. |
| API Security Tool Research | Discover API security testing, authentication, and monitoring tools for securing API programs. |
| API Design Tool Evaluation | Explore API design tools, editors, and specification validators to improve API development workflows. |
| Developer Portal Platforms | Research developer portal platforms and documentation tools for publishing API programs. |
FN: Kin Lane
Email: info@apievangelist.com