PayHook vs PHP Upgrade Risk Audit

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

PayHook compared with PHP Upgrade Risk Audit
Detail	PayHook	PHP Upgrade Risk Audit
What it does	Payment webhook debugger for Stripe, Paddle, Lemon Squeezy, Polar and Dodo	Understand likely PHP upgrade risks before changing the server
Stage	MVP	Not given
Founded	Not given	Not given
Based in	Not given	HK
Pricing model	Not given	Open source
Pricing	Free plan: $0 forever with 1 project, signature checks for all five providers, 3 days of history with daily event limit. Pro plan: $12 per month with unlimited projects, plain-English diagnosis, fix prompts, and 30 days of history. Lifetime: $99 once, first 100 only, with everything in Pro for life	Not given
Key features	Signature verification for Stripe, Paddle, Lemon Squeezy, Polar and Dodo Plain-English diagnosis of webhook failures Fix prompts for Cursor and Claude Code Replay events with re-signed payloads Works without localhost for cloud development environments View incoming events and HTTP status codes 30 days of event history in Pro plan	Select target PHP version Scan plugins and themes for compatibility patterns Review file-level static analysis findings Run locally without uploading source code
What makes it different	Diagnosis explains what went wrong, not just what arrived Built for AI code editors and cloud development No code changes required during beta Covers five payment providers including ones Stripe CLI doesn't support Core is open source at launch	No source code upload required Component-level findings review
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	2 no change since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	16	15
Referring domains (Majestic)	2	5

3 details filled in for both companies.

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