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About

Operator by Planck Proof is an agentic API penetration testing tool. Give it your OpenAPI spec and credentials for two or more roles; it tests every operation across roles and tenants for authorization flaws (BOLA, BFLA, BOPLA), broken authentication, injection, mass assignment and business-logic abuse, chaining findings into attack paths. Coverage maps to the OWASP API Security Top 10 and includes REST, GraphQL and gRPC APIs, plus the APIs behind AI agents, LLM apps and MCP servers. Every finding ships with the exact request and response, a CVSS score and a runnable proof-of-concept your engineers can execute to confirm the issue and verify the fix. Scope, rate and data controls keep runs safe against real environments, and you can steer or pause the agent at any time. Run it on every deploy, retest fixes, and send findings to Jira. Reports are built for engineers and auditors (SOC 2, PCI DSS, HIPAA). First scan is free; Pro and Enterprise are quoted per API by endpoint volume.

About

Scalar is a modern, open source API platform designed to help developers create, document, test, and manage APIs through a unified, interactive environment built around the OpenAPI standard. It transforms OpenAPI specifications into clean, visually appealing, and interactive API documentation that allows users to explore endpoints and test requests directly within the interface, combining documentation and a full-featured API client in one place. It includes a built-in REST API client that supports sending requests, inspecting responses, handling authentication methods such as API keys and OAuth2, and working with environment variables and dynamic parameters. Scalar also offers tools for generating SDKs, managing and versioning API specifications with Git integration, and creating documentation that stays synchronized with the underlying API through Markdown or MDX workflows.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers · IT/Security Professionals · Enterprise · Small Business / Startups · Information Technology

Audience

Developers and engineering teams searching for a tool to document, test, and manage APIs using an interactive, OpenAPI-based platform that combines documentation and API client functionality

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$0
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Planck Proof
Founded: 2026
United States
planckproof.ai

Company Information

Scalar
Founded: 2023
United States
scalar.com

Alternatives

Alternatives

Insomnia

Insomnia

Kong
Penligent

Penligent

Penligent.ai
Novee

Novee

Novee Security
OlympAPI

OlympAPI

OlympStack
Terra

Terra

Terra Security
Kiota

Kiota

Microsoft

Categories

Categories

Integrations

C#
Git
GitHub
JSON
Markdown
Model Context Protocol (MCP)
OAuth
Swagger

Integrations

C#
Git
GitHub
JSON
Markdown
Model Context Protocol (MCP)
OAuth
Swagger
Claim Operator by Planck Proof and update features and information
Claim Operator by Planck Proof and update features and information
Claim Scalar and update features and information
Claim Scalar and update features and information