Zunoy Sandbox

Zunoy Sandbox

Mentcube Innovations Pvt Ltd
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About

Hook0 is an open source Webhooks-as-a-Service platform that helps developers send, receive, manage, and monitor webhooks at scale. It is built for teams that need to add webhook support to their product without spending weeks building retry logic, signatures, monitoring, queues, dead letter handling, event logs, and subscriber management from scratch. With one API call, teams can publish outbound events, while Hook0 handles delivery infrastructure, configurable retry logic, webhook calls, endpoint monitoring, event persistence, and developer tooling. It keeps track of every event an application sends and every webhook call it makes, helping teams debug integrations, inspect delivery attempts, and maintain an audit log. Hook0 supports secure webhook delivery with HMAC signatures, key rotation, TLS encryption, and compliance-focused deployment options. As a fully open source platform, it allows teams to audit the codebase and self-host on their own infrastructure.

About

Zunoy Sandbox is a developer testing platform for testing email, SMS, webhooks, OTP, and TOTP/MFA flows without sending test data to real users or production systems. Developers can connect their existing SMTP clients, SMS APIs, or webhook endpoints to Sandbox and capture the resulting events in an isolated testing environment. For email testing, Sandbox provides inboxes where teams can inspect email HTML, headers, attachments, links, and delivery-related information. SMS testing supports OTP and transactional message flows through REST APIs, sender IDs, and templates. The webhook testing feature provides unique endpoints for receiving and inspecting JSON payloads in real time, with options to replay and organize events by project. The TOTP/MFA sandbox can generate time-based authentication codes from secrets or QR codes for testing login and verification flows without using a physical authenticator.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and engineering teams that need reliable, open-source webhook infrastructure to send, monitor, and manage customer-facing events at scale

Audience

Startups, SaaS companies, software development companies, technology teams, digital agencies, IT service providers, and larger organizations with dedicated development and QA team.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

€59 per month
Free Version Supported
Free Trial Not Supported

Pricing

$6/month
Zunoy Sandbox offers a Free plan at $0/month with 100 operations per month, 2 active inboxes, 5 email forwardings, 2 SMS inboxes, 2 webhook apps, 5 TOTP/MFA profiles, 3 team members, and 1 workspace. Paid plans start with Starter at $5/month, followed by Growth at $14.17/month and Business at $40.83/month when billed annually. These plans provide higher operation limits, more inboxes, webhook apps, TOTP/MFA profiles, team members, workspaces, and AI credits. An Enterprise plan is also available from $499/month with custom limits, custom retention, 99.9% SLA, RBAC, audit logs, dedicated support, and priority onboarding.
Free Version Supported
Free Trial Not Supported

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 Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Hook0
Founded: 2021
France
www.hook0.com

Company Information

Mentcube Innovations Pvt Ltd
zunoy.com/sandbox

Alternatives

FastHook

FastHook

FastHook.io

Alternatives

Convoy

Convoy

Convoy Webhooks
Sweego

Sweego

Mindbaz

Categories

Webhook Supported

Categories

Sandbox Supported
Software Testing Supported

Software Testing Features

Automated Testing Supported
Black-Box Testing Not Supported
Dynamic Testing Not Supported
Issue Tracking Not Supported
Manual Testing Supported
Quality Assurance Planning Not Supported
Reporting / Analytics Not Supported
Static Testing Not Supported
Test Case Management Not Supported
Variable Testing Methods Not Supported
White-Box Testing Not Supported

Integrations

Claude Supported
Cursor Supported
Discord Not Supported
JSON Supported
Microsoft Teams Not Supported
Model Context Protocol (MCP) Supported
Slack Not Supported
Telegram Not Supported
Windsurf Browser Supported

Integrations

Claude Not Supported
Cursor Not Supported
Discord Supported
JSON Not Supported
Microsoft Teams Supported
Model Context Protocol (MCP) Not Supported
Slack Supported
Telegram Supported
Windsurf Browser Not Supported
Claim Hook0 and update features and information
Claim Hook0 and update features and information
Claim Zunoy Sandbox and update features and information
Claim Zunoy Sandbox and update features and information