Zunoy SandboxMentcube Innovations Pvt Ltd
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Related Products
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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.
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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.
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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
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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
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Audience
Developers and engineering teams that need reliable, open-source webhook infrastructure to send, monitor, and manage customer-facing events at scale
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Audience
Startups, SaaS companies, software development companies, technology teams, digital agencies, IT service providers, and larger organizations with dedicated development and QA team.
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Not Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
€59 per month
Free Version
Supported
Free Trial
Not Supported
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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
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Not Supported
Webinars
Not Supported
Live Online
Supported
In Person
Not Supported
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Company InformationHook0
Founded: 2021
France
www.hook0.com
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Company InformationMentcube Innovations Pvt Ltd
zunoy.com/sandbox
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Alternatives |
Alternatives |
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Categories |
Categories |
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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
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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
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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
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