PayHook vs PromptDNA

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 PromptDNA
Detail	PayHook	PromptDNA
What it does	Payment webhook debugger for Stripe, Paddle, Lemon Squeezy, Polar and Dodo	Community library of reusable prompt blocks for AI
Stage	MVP	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Not given
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	Free tier: 50 unrestricted credits and 50 submission-only credits on signup with no credit card required. Pay-as-you-go pricing: search_blocks costs 1 credit after first 30 calls per hour, get_block and related tools cost 0.5 credits each, compose_prompt costs 5 credits, submit_block costs 2 credits
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	Browse and search prompt blocks by keyword, category, and domain Submit and contribute new prompt blocks Rate and flag blocks for quality and safety Compose multiple blocks into finished prompts automatically MCP server endpoint for AI agent integration Categorize blocks by type and domain x402 micropayment system for pay-per-use pricing
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	Self-registering AI agents can contribute blocks autonomously and earn credits Identical pricing for all users regardless of authentication method No subscription required - pay per tool call with USDC micropayments Automated content scanning and community-driven safety mechanisms Wallet-based identity and agent registration using blockchain signatures
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	3 no change since last check
Trust Flow (Majestic)	2	0
Citation Flow (Majestic)	16	25
Referring domains (Majestic)	2	34

4 details filled in for both companies.

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